7 files changed, 1056 insertions, 1004 deletions

diff --git a/common/gtk-3.0/3.20/gtk-dark.css b/common/gtk-3.0/3.20/gtk-dark.css
index 2aa077e..8952f3b 100644
--- a/common/gtk-3.0/3.20/gtk-dark.css
+++ b/common/gtk-3.0/3.20/gtk-dark.css
@@ -77,7 +77,7 @@ label:disabled {
   color: rgba(211, 218, 227, 0.45); }
 
 .dim-label, label.separator, popover label.separator,
-popover.background label.separator, headerbar .subtitle {
+popover.background label.separator, headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
   opacity: 0.55; }
 
 assistant .sidebar {
@@ -636,20 +636,20 @@ toolbar.inline-toolbar toolbutton > button.flat, .inline-toolbar toolbutton > bu
 .linked:not(.vertical) > entry:focus, .inline-toolbar button, .inline-toolbar button:backdrop, .linked:not(.vertical) > button,
 .linked:not(.vertical) > button:hover,
 .linked:not(.vertical) > button:active,
-.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
+.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child {
+.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:first-child {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
 
-.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child {
+.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
 
-.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child {
+.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:only-child {
   border-radius: 3px;
   border-style: solid; }
 
@@ -736,7 +736,7 @@ modelbutton.flat arrow.right {
   .warning button:visited,
   .error *:link,
   .error button:link,
-  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link,
+  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link,
   *:selected *:link,
   *:selected button:link,
   *:selected button:visited {
@@ -881,460 +881,471 @@ actionbar {
   border-top: 1px solid #2b2e39;
   background-color: #313541; }
 
-headerbar {
+headerbar,
+.titlebar:not(headerbar) {
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: #262a33;
   color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f; }
-  .csd headerbar {
-    border-radius: 3px 3px 0 0;
+  background-color: #2f343f;
+  box-shadow: inset 0 1px rgba(54, 59, 72, 0.97); }
+  .csd headerbar,
+  .csd .titlebar:not(headerbar) {
     background-color: rgba(47, 52, 63, 0.97);
     border-color: rgba(38, 42, 51, 0.97); }
-  headerbar:backdrop {
-    color: rgba(207, 218, 231, 0.5); }
-    .csd headerbar:backdrop {
+  headerbar:backdrop,
+  .titlebar:backdrop:not(headerbar) {
+    color: rgba(207, 218, 231, 0.5);
+    background-color: #323843; }
+    .csd headerbar:backdrop,
+    .csd .titlebar:backdrop:not(headerbar) {
       background-color: rgba(50, 56, 67, 0.97); }
-  headerbar .title {
+  headerbar .title, .titlebar:not(headerbar) .title {
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar .subtitle {
+  headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar.selection-mode, headerbar.titlebar.selection-mode {
+  headerbar.selection-mode, headerbar.titlebar.selection-mode,
+  .selection-mode.titlebar:not(headerbar),
+  .titlebar.selection-mode:not(headerbar) {
     color: #ffffff;
     background-color: rgba(82, 148, 226, 0.95);
     border-color: rgba(65, 137, 223, 0.95);
     box-shadow: none; }
-    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop {
+    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop,
+    .selection-mode.titlebar:backdrop:not(headerbar),
+    .titlebar.selection-mode:backdrop:not(headerbar) {
       background-color: rgba(82, 148, 226, 0.95);
       color: rgba(255, 255, 255, 0.6); }
-    headerbar.selection-mode button, headerbar.titlebar.selection-mode button {
+    headerbar.selection-mode button, headerbar.titlebar.selection-mode button, .selection-mode.titlebar:not(headerbar) button, .titlebar.selection-mode:not(headerbar) button {
       color: #ffffff;
       outline-color: rgba(255, 255, 255, 0.3);
       background-color: rgba(255, 255, 255, 0);
       border-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button {
+      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.sidebar-button, .titlebar.selection-mode:not(headerbar) button.flat, .titlebar.selection-mode:not(headerbar) button.sidebar-button {
         border-color: transparent;
         background-color: transparent;
         background-image: none;
         color: #ffffff;
         background-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover {
+      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .titlebar.selection-mode:not(headerbar) button:hover {
         color: #ffffff;
         outline-color: rgba(255, 255, 255, 0.3);
         background-color: rgba(255, 255, 255, 0.05);
         border-color: rgba(255, 255, 255, 0.5); }
-      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked {
+      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .titlebar.selection-mode:not(headerbar) button:active, .titlebar.selection-mode:not(headerbar) button:checked {
         color: rgba(82, 148, 226, 0.95);
         outline-color: rgba(82, 148, 226, 0.25);
         background-color: #ffffff;
         border-color: #ffffff; }
-      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled {
+      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled, .selection-mode.titlebar:not(headerbar) button:disabled, .titlebar.selection-mode:not(headerbar) button:disabled {
         color: rgba(255, 255, 255, 0.4);
         background-color: rgba(255, 255, 255, 0);
         border-color: rgba(255, 255, 255, 0); }
-        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked {
+        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked, .selection-mode.titlebar:not(headerbar) button:disabled:active, .selection-mode.titlebar:not(headerbar) button:disabled:checked, .titlebar.selection-mode:not(headerbar) button:disabled:active, .titlebar.selection-mode:not(headerbar) button:disabled:checked {
           color: rgba(82, 148, 226, 0.35);
           background-color: rgba(255, 255, 255, 0.15);
           border-color: rgba(255, 255, 255, 0.15); }
-    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu {
+    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu, .selection-mode.titlebar:not(headerbar) .selection-menu, .titlebar.selection-mode:not(headerbar) .selection-menu {
       box-shadow: none;
       padding-left: 10px;
       padding-right: 10px; }
-      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow {
+      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow, .selection-mode.titlebar:not(headerbar) .selection-menu GtkArrow, .titlebar.selection-mode:not(headerbar) .selection-menu GtkArrow {
         -GtkArrow-arrow-scaling: 1; }
-      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow {
+      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow, .selection-mode.titlebar:not(headerbar) .selection-menu .arrow, .titlebar.selection-mode:not(headerbar) .selection-menu .arrow {
         -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
-    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode {
+    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode,
+    .maximized .selection-mode.titlebar:not(headerbar),
+    .maximized .titlebar.selection-mode:not(headerbar) {
       background-color: #5294e2; }
   .tiled headerbar, .tiled headerbar:backdrop,
-  .maximized headerbar, .maximized headerbar:backdrop {
+  .maximized headerbar, .maximized headerbar:backdrop,
+  .tiled .titlebar:not(headerbar),
+  .tiled .titlebar:backdrop:not(headerbar),
+  .maximized .titlebar:not(headerbar),
+  .maximized .titlebar:backdrop:not(headerbar) {
     border-radius: 0; }
-  .maximized headerbar {
+  .maximized headerbar,
+  .maximized .titlebar:not(headerbar) {
     background-color: #2f343f;
     border-color: #262a33; }
+    .maximized headerbar:backdrop,
+    .maximized .titlebar:backdrop:not(headerbar) {
+      background-color: #323843; }
   headerbar.default-decoration,
   .csd headerbar.default-decoration, headerbar.default-decoration:backdrop,
-  .csd headerbar.default-decoration:backdrop {
+  .csd headerbar.default-decoration:backdrop,
+  .default-decoration.titlebar:not(headerbar),
+  .csd .default-decoration.titlebar:not(headerbar),
+  .default-decoration.titlebar:backdrop:not(headerbar),
+  .csd .default-decoration.titlebar:backdrop:not(headerbar) {
     min-height: 28px;
     padding: 0 3px;
     background-color: #2f343f;
     border-bottom-width: 0; }
     .maximized headerbar.default-decoration, .maximized
     .csd headerbar.default-decoration, .maximized headerbar.default-decoration:backdrop, .maximized
-    .csd headerbar.default-decoration:backdrop {
+    .csd headerbar.default-decoration:backdrop,
+    .maximized .default-decoration.titlebar:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:not(headerbar),
+    .maximized .default-decoration.titlebar:backdrop:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:backdrop:not(headerbar) {
       background-color: #2f343f; }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: 3px 3px 0 0;
-  color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f;
-  box-shadow: inset 0 1px rgba(54, 59, 72, 0.97); }
-  .csd .titlebar {
-    background-color: rgba(47, 52, 63, 0.97); }
-  .titlebar:backdrop {
-    color: rgba(207, 218, 231, 0.5);
-    background-color: #323843; }
-    .csd .titlebar:backdrop {
-      background-color: rgba(50, 56, 67, 0.97); }
-  .maximized .titlebar {
-    background-color: #2f343f; }
-    .maximized .titlebar:backdrop, .csd .maximized .titlebar:backdrop {
-      background-color: #323843; }
-  window > .titlebar:not(headerbar),
-  window.csd > .titlebar:not(headerbar), window > .titlebar:backdrop:not(headerbar),
-  window.csd > .titlebar:backdrop:not(headerbar) {
-    padding: 0;
-    border: none;
-    background: none; }
-  .titlebar separator {
-    background-color: rgba(38, 42, 51, 0.97); }
+  border-radius: 3px 3px 0 0; }
 
-paned.titlebar separator {
-  background-color: transparent; }
+separator:first-child + headerbar, separator:first-child + headerbar:backdrop, headerbar:first-child, headerbar:first-child:backdrop {
+  border-top-left-radius: 3px; }
 
-paned.titlebar > headerbar:not(:only-child):not(:first-child):not(:last-child) {
-  border-radius: 0; }
+headerbar:last-child, headerbar:last-child:backdrop {
+  border-top-right-radius: 3px; }
 
-paned.titlebar > headerbar ~ headerbar {
-  border-top-left-radius: 0; }
+window.csd > .titlebar:not(headerbar),
+window.csd > .titlebar:not(headerbar):backdrop {
+  padding: 0;
+  background-color: transparent;
+  background-image: none;
+  border-style: none;
+  border-color: transparent;
+  box-shadow: none; }
 
-paned.titlebar > headerbar:first-child {
-  border-top-right-radius: 0; }
+.titlebar:not(headerbar) > separator {
+  background: rgba(38, 42, 51, 0.97); }
 
-headerbar entry, headerbar button, headerbar separator {
+headerbar entry, headerbar button, headerbar separator, .titlebar:not(headerbar) entry, .titlebar:not(headerbar) button, .titlebar:not(headerbar) separator {
   margin-top: 6px;
   margin-bottom: 6px; }
 
-.primary-toolbar separator, headerbar separator.titlebutton {
+.primary-toolbar separator, headerbar separator.titlebutton, .titlebar:not(headerbar) separator.titlebutton {
   min-width: 1px;
   min-height: 1px;
   background: none;
   border-width: 0 1px;
   border-image: linear-gradient(to bottom, rgba(207, 218, 231, 0) 25%, rgba(207, 218, 231, 0.15) 25%, rgba(207, 218, 231, 0.15) 75%, rgba(207, 218, 231, 0) 75%) 0 1/0 1px stretch; }
-  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop {
+  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop, .titlebar:not(headerbar) separator.titlebutton:backdrop {
     opacity: 0.6; }
 
-.primary-toolbar entry, headerbar entry {
+.primary-toolbar entry, headerbar entry, .titlebar:not(headerbar) entry {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.37);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.37));
   background-color: transparent; }
-  .primary-toolbar entry image, headerbar entry image, .primary-toolbar entry image:hover, headerbar entry image:hover {
+  .primary-toolbar entry image, headerbar entry image, .titlebar:not(headerbar) entry image, .primary-toolbar entry image:hover, headerbar entry image:hover, .titlebar:not(headerbar) entry image:hover {
     color: inherit; }
-  .primary-toolbar entry:backdrop, headerbar entry:backdrop {
+  .primary-toolbar entry:backdrop, headerbar entry:backdrop, .titlebar:not(headerbar) entry:backdrop {
     opacity: 0.85; }
-  .primary-toolbar entry:focus, headerbar entry:focus {
+  .primary-toolbar entry:focus, headerbar entry:focus, .titlebar:not(headerbar) entry:focus {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     background-clip: padding-box; }
-    .primary-toolbar entry:focus image, headerbar entry:focus image {
+    .primary-toolbar entry:focus image, headerbar entry:focus image, .titlebar:not(headerbar) entry:focus image {
       color: #ffffff; }
-  .primary-toolbar entry:disabled, headerbar entry:disabled {
+  .primary-toolbar entry:disabled, headerbar entry:disabled, .titlebar:not(headerbar) entry:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.22)); }
-  .primary-toolbar entry selection:focus, headerbar entry selection:focus {
+  .primary-toolbar entry selection:focus, headerbar entry selection:focus, .titlebar:not(headerbar) entry selection:focus {
     background-color: #ffffff;
     color: #5294E2; }
-  .primary-toolbar entry progress, headerbar entry progress {
+  .primary-toolbar entry progress, headerbar entry progress, .titlebar:not(headerbar) entry progress {
     border-color: #5294E2;
     background-image: none;
     background-color: transparent; }
-  .primary-toolbar entry.warning, headerbar entry.warning {
+  .primary-toolbar entry.warning, headerbar entry.warning, .titlebar:not(headerbar) entry.warning {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.37);
     background-image: linear-gradient(to bottom, rgba(167, 94, 57, 0.988)); }
-    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus {
+    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus, .titlebar:not(headerbar) entry.warning:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #F27835); }
-    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus {
+    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .titlebar:not(headerbar) entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus, .titlebar:not(headerbar) entry.warning selection:focus {
       background-color: #ffffff;
       color: #F27835; }
-  .primary-toolbar entry.error, headerbar entry.error {
+  .primary-toolbar entry.error, headerbar entry.error, .titlebar:not(headerbar) entry.error {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.37);
     background-image: linear-gradient(to bottom, rgba(173, 60, 59, 0.988)); }
-    .primary-toolbar entry.error:focus, headerbar entry.error:focus {
+    .primary-toolbar entry.error:focus, headerbar entry.error:focus, .titlebar:not(headerbar) entry.error:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #FC4138); }
-    .primary-toolbar entry.error selection, headerbar entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus {
+    .primary-toolbar entry.error selection, headerbar entry.error selection, .titlebar:not(headerbar) entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus, .titlebar:not(headerbar) entry.error selection:focus {
       background-color: #ffffff;
       color: #FC4138; }
 
-.primary-toolbar button, headerbar button {
+.primary-toolbar button, headerbar button, .titlebar:not(headerbar) button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   outline-offset: -3px;
   background-color: rgba(47, 52, 63, 0);
   border-color: rgba(47, 52, 63, 0); }
-  .primary-toolbar button:backdrop, headerbar button:backdrop {
+  .primary-toolbar button:backdrop, headerbar button:backdrop, .titlebar:not(headerbar) button:backdrop {
     opacity: 0.7; }
-  .primary-toolbar button:hover, headerbar button:hover {
+  .primary-toolbar button:hover, headerbar button:hover, .titlebar:not(headerbar) button:hover {
     color: rgba(207, 218, 231, 0.8);
     outline-color: rgba(207, 218, 231, 0.1);
     border-color: rgba(21, 23, 28, 0.37);
     background-color: rgba(95, 105, 127, 0.37); }
-  .primary-toolbar button:active, headerbar button:active, .primary-toolbar button:checked, headerbar button:checked {
+  .primary-toolbar button:active, headerbar button:active, .titlebar:not(headerbar) button:active, .primary-toolbar button:checked, headerbar button:checked, .titlebar:not(headerbar) button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2;
     background-clip: padding-box; }
-  .primary-toolbar button:disabled, headerbar button:disabled {
+  .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button:disabled label, headerbar button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled {
+    .primary-toolbar button:disabled label, headerbar button:disabled label, .titlebar:not(headerbar) button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
       color: rgba(207, 218, 231, 0.35); }
-  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked {
+  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .titlebar:not(headerbar) button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked, .titlebar:not(headerbar) button:disabled:checked {
     color: rgba(255, 255, 255, 0.75);
     border-color: rgba(82, 148, 226, 0.65);
     background-color: rgba(82, 148, 226, 0.65); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:disabled {
   border-radius: 3px;
   border-style: solid; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
   box-shadow: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.37);
   background-color: rgba(95, 105, 127, 0.37); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover {
     background-color: rgba(134, 144, 165, 0.37); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2; }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:disabled {
     color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button + button {
   border-left-style: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37), inset -1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked + entry {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar button.suggested-action, headerbar button.suggested-action {
+.primary-toolbar button.suggested-action, headerbar button.suggested-action, .titlebar:not(headerbar) button.suggested-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #4DADD4;
   border-color: #4DADD4; }
-  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button {
+  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .titlebar:not(headerbar) button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button, .titlebar:not(headerbar) button.suggested-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #4DADD4;
     outline-color: rgba(77, 173, 212, 0.3); }
-  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover {
+  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover, .titlebar:not(headerbar) button.suggested-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #76c0de;
     border-color: #76c0de; }
-  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked {
+  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .titlebar:not(headerbar) button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked, .titlebar:not(headerbar) button.suggested-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #2e96c0;
     border-color: #2e96c0; }
-  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .titlebar:not(headerbar) button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .titlebar:not(headerbar) button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop {
+.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar button.destructive-action, headerbar button.destructive-action {
+.primary-toolbar button.destructive-action, headerbar button.destructive-action, .titlebar:not(headerbar) button.destructive-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #F04A50;
   border-color: #F04A50; }
-  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button {
+  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .titlebar:not(headerbar) button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button, .titlebar:not(headerbar) button.destructive-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #F04A50;
     outline-color: rgba(240, 74, 80, 0.3); }
-  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover {
+  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover, .titlebar:not(headerbar) button.destructive-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #f4797e;
     border-color: #f4797e; }
-  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked {
+  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .titlebar:not(headerbar) button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked, .titlebar:not(headerbar) button.destructive-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #ec1b22;
     border-color: #ec1b22; }
-  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .titlebar:not(headerbar) button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .titlebar:not(headerbar) button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop {
+.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus {
+.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus, .titlebar:not(headerbar) spinbutton:not(.vertical):focus {
   color: #ffffff;
   caret-color: #ffffff; }
 
-.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .titlebar:not(headerbar) spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.37);
   background-color: rgba(95, 105, 127, 0.37); }
 
-.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover {
+.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover, .titlebar:not(headerbar) spinbutton:not(.vertical) button:hover {
   background-color: rgba(134, 144, 165, 0.37); }
 
-.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked {
+.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .titlebar:not(headerbar) spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked, .titlebar:not(headerbar) spinbutton:not(.vertical) button:checked {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   border-color: transparent;
   background-color: #5294E2; }
 
-.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button {
+.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button + button {
   border-left-style: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button {
+.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover + button {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover {
+.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry + button:not(:active):hover {
   box-shadow: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button {
+.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry:focus + button {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar combobox:disabled, headerbar combobox:disabled {
+.primary-toolbar combobox:disabled, headerbar combobox:disabled, .titlebar:not(headerbar) combobox:disabled {
   color: rgba(207, 218, 231, 0.2); }
 
-.primary-toolbar combobox.linked button, headerbar combobox.linked button {
+.primary-toolbar combobox.linked button, headerbar combobox.linked button, .titlebar:not(headerbar) combobox.linked button {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.37);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.37));
   background-color: transparent; }
-  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover {
+  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .titlebar:not(headerbar) combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover, .titlebar:not(headerbar) combobox.linked button image:hover {
     color: inherit; }
-  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover {
+  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover, .titlebar:not(headerbar) combobox.linked button:hover {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     box-shadow: none; }
-  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled {
+  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled, .titlebar:not(headerbar) combobox.linked button:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.22)); }
 
-.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr) {
+.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr), .titlebar:not(headerbar) combobox.linked entry:dir(ltr) {
   border-right-style: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl) {
+.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl), .titlebar:not(headerbar) combobox.linked entry:dir(rtl) {
   border-left-style: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled {
+.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):disabled {
   border-top-left-radius: 0;
   border-bottom-left-radius: 0; }
 
-.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled {
+.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):disabled {
   border-top-right-radius: 0;
   border-bottom-right-radius: 0; }
 
-.primary-toolbar switch:backdrop, headerbar switch:backdrop {
+.primary-toolbar switch:backdrop, headerbar switch:backdrop, .titlebar:not(headerbar) switch:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar progressbar trough, headerbar progressbar trough {
+.primary-toolbar progressbar trough, headerbar progressbar trough, .titlebar:not(headerbar) progressbar trough {
   background-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop {
+.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop, .titlebar:not(headerbar) progressbar:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale:backdrop, headerbar scale:backdrop {
+.primary-toolbar scale:backdrop, headerbar scale:backdrop, .titlebar:not(headerbar) scale:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale slider, headerbar scale slider {
+.primary-toolbar scale slider, headerbar scale slider, .titlebar:not(headerbar) scale slider {
   background-image: linear-gradient(to bottom, #454c5c);
   border-color: rgba(21, 23, 28, 0.67); }
-  .primary-toolbar scale slider:hover, headerbar scale slider:hover {
+  .primary-toolbar scale slider:hover, headerbar scale slider:hover, .titlebar:not(headerbar) scale slider:hover {
     background-image: linear-gradient(to bottom, #50586b);
     border-color: rgba(21, 23, 28, 0.67); }
-  .primary-toolbar scale slider:active, headerbar scale slider:active {
+  .primary-toolbar scale slider:active, headerbar scale slider:active, .titlebar:not(headerbar) scale slider:active {
     background-image: linear-gradient(to bottom, #5294E2);
     border-color: #5294E2; }
-  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled {
+  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled, .titlebar:not(headerbar) scale slider:disabled {
     background-image: linear-gradient(to bottom, rgba(63, 69, 84, 0.991));
     border-color: rgba(21, 23, 28, 0.67); }
 
-.primary-toolbar scale trough, headerbar scale trough {
+.primary-toolbar scale trough, headerbar scale trough, .titlebar:not(headerbar) scale trough {
   background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.37)); }
-  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled {
+  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled, .titlebar:not(headerbar) scale trough:disabled {
     background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.27)); }
 
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button {
@@ -2227,7 +2238,7 @@ levelbar block.empty {
 
 printdialog paper {
   border: 1px solid #2b2e39;
-  background: white;
+  background: #404552;
   padding: 0; }
 
 printdialog .dialog-action-box {
@@ -2981,10 +2992,10 @@ modelbutton.flat:selected arrow, treeview.view:selected, treeview.view:selected:
     color: #ffffff; }
 
 .nautilus-canvas-item.dim-label, label.nautilus-canvas-item.separator,
-popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle,
+popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle,
 .nautilus-list-dim-label {
   color: #868b97; }
-  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus,
+  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected:focus,
   .nautilus-list-dim-label:selected,
   .nautilus-list-dim-label:selected:focus {
     color: #dceaf9; }
diff --git a/common/gtk-3.0/3.20/gtk-darker.css b/common/gtk-3.0/3.20/gtk-darker.css
index 0372c48..dfcbd75 100644
--- a/common/gtk-3.0/3.20/gtk-darker.css
+++ b/common/gtk-3.0/3.20/gtk-darker.css
@@ -77,7 +77,7 @@ label:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
 .dim-label, label.separator, popover label.separator,
-popover.background label.separator, headerbar .subtitle {
+popover.background label.separator, headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
   opacity: 0.55; }
 
 assistant .sidebar {
@@ -635,20 +635,20 @@ toolbar.inline-toolbar toolbutton > button.flat, .inline-toolbar toolbutton > bu
 .linked:not(.vertical) > entry:focus, .inline-toolbar button, .inline-toolbar button:backdrop, .linked:not(.vertical) > button,
 .linked:not(.vertical) > button:hover,
 .linked:not(.vertical) > button:active,
-.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
+.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child {
+.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:first-child {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
 
-.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child {
+.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
 
-.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child {
+.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:only-child {
   border-radius: 3px;
   border-style: solid; }
 
@@ -735,7 +735,7 @@ modelbutton.flat arrow.right {
   .warning button:visited,
   .error *:link,
   .error button:link,
-  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link,
+  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link,
   *:selected *:link,
   *:selected button:link,
   *:selected button:visited {
@@ -880,460 +880,471 @@ actionbar {
   border-top: 1px solid #dcdfe3;
   background-color: #edeef0; }
 
-headerbar {
+headerbar,
+.titlebar:not(headerbar) {
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: #262a33;
   color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f; }
-  .csd headerbar {
-    border-radius: 3px 3px 0 0;
+  background-color: #2f343f;
+  box-shadow: inset 0 1px rgba(54, 59, 72, 0.97); }
+  .csd headerbar,
+  .csd .titlebar:not(headerbar) {
     background-color: rgba(47, 52, 63, 0.97);
     border-color: rgba(38, 42, 51, 0.97); }
-  headerbar:backdrop {
-    color: rgba(207, 218, 231, 0.5); }
-    .csd headerbar:backdrop {
+  headerbar:backdrop,
+  .titlebar:backdrop:not(headerbar) {
+    color: rgba(207, 218, 231, 0.5);
+    background-color: #323843; }
+    .csd headerbar:backdrop,
+    .csd .titlebar:backdrop:not(headerbar) {
       background-color: rgba(50, 56, 67, 0.97); }
-  headerbar .title {
+  headerbar .title, .titlebar:not(headerbar) .title {
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar .subtitle {
+  headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar.selection-mode, headerbar.titlebar.selection-mode {
+  headerbar.selection-mode, headerbar.titlebar.selection-mode,
+  .selection-mode.titlebar:not(headerbar),
+  .titlebar.selection-mode:not(headerbar) {
     color: #ffffff;
     background-color: rgba(82, 148, 226, 0.95);
     border-color: rgba(65, 137, 223, 0.95);
     box-shadow: none; }
-    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop {
+    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop,
+    .selection-mode.titlebar:backdrop:not(headerbar),
+    .titlebar.selection-mode:backdrop:not(headerbar) {
       background-color: rgba(82, 148, 226, 0.95);
       color: rgba(255, 255, 255, 0.6); }
-    headerbar.selection-mode button, headerbar.titlebar.selection-mode button {
+    headerbar.selection-mode button, headerbar.titlebar.selection-mode button, .selection-mode.titlebar:not(headerbar) button, .titlebar.selection-mode:not(headerbar) button {
       color: #ffffff;
       outline-color: rgba(255, 255, 255, 0.3);
       background-color: rgba(255, 255, 255, 0);
       border-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button {
+      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.sidebar-button, .titlebar.selection-mode:not(headerbar) button.flat, .titlebar.selection-mode:not(headerbar) button.sidebar-button {
         border-color: transparent;
         background-color: transparent;
         background-image: none;
         color: #ffffff;
         background-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover {
+      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .titlebar.selection-mode:not(headerbar) button:hover {
         color: #ffffff;
         outline-color: rgba(255, 255, 255, 0.3);
         background-color: rgba(255, 255, 255, 0.05);
         border-color: rgba(255, 255, 255, 0.5); }
-      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked {
+      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .titlebar.selection-mode:not(headerbar) button:active, .titlebar.selection-mode:not(headerbar) button:checked {
         color: rgba(82, 148, 226, 0.95);
         outline-color: rgba(82, 148, 226, 0.25);
         background-color: #ffffff;
         border-color: #ffffff; }
-      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled {
+      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled, .selection-mode.titlebar:not(headerbar) button:disabled, .titlebar.selection-mode:not(headerbar) button:disabled {
         color: rgba(255, 255, 255, 0.4);
         background-color: rgba(255, 255, 255, 0);
         border-color: rgba(255, 255, 255, 0); }
-        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked {
+        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked, .selection-mode.titlebar:not(headerbar) button:disabled:active, .selection-mode.titlebar:not(headerbar) button:disabled:checked, .titlebar.selection-mode:not(headerbar) button:disabled:active, .titlebar.selection-mode:not(headerbar) button:disabled:checked {
           color: rgba(82, 148, 226, 0.35);
           background-color: rgba(255, 255, 255, 0.15);
           border-color: rgba(255, 255, 255, 0.15); }
-    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu {
+    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu, .selection-mode.titlebar:not(headerbar) .selection-menu, .titlebar.selection-mode:not(headerbar) .selection-menu {
       box-shadow: none;
       padding-left: 10px;
       padding-right: 10px; }
-      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow {
+      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow, .selection-mode.titlebar:not(headerbar) .selection-menu GtkArrow, .titlebar.selection-mode:not(headerbar) .selection-menu GtkArrow {
         -GtkArrow-arrow-scaling: 1; }
-      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow {
+      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow, .selection-mode.titlebar:not(headerbar) .selection-menu .arrow, .titlebar.selection-mode:not(headerbar) .selection-menu .arrow {
         -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
-    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode {
+    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode,
+    .maximized .selection-mode.titlebar:not(headerbar),
+    .maximized .titlebar.selection-mode:not(headerbar) {
       background-color: #5294e2; }
   .tiled headerbar, .tiled headerbar:backdrop,
-  .maximized headerbar, .maximized headerbar:backdrop {
+  .maximized headerbar, .maximized headerbar:backdrop,
+  .tiled .titlebar:not(headerbar),
+  .tiled .titlebar:backdrop:not(headerbar),
+  .maximized .titlebar:not(headerbar),
+  .maximized .titlebar:backdrop:not(headerbar) {
     border-radius: 0; }
-  .maximized headerbar {
+  .maximized headerbar,
+  .maximized .titlebar:not(headerbar) {
     background-color: #2f343f;
     border-color: #262a33; }
+    .maximized headerbar:backdrop,
+    .maximized .titlebar:backdrop:not(headerbar) {
+      background-color: #323843; }
   headerbar.default-decoration,
   .csd headerbar.default-decoration, headerbar.default-decoration:backdrop,
-  .csd headerbar.default-decoration:backdrop {
+  .csd headerbar.default-decoration:backdrop,
+  .default-decoration.titlebar:not(headerbar),
+  .csd .default-decoration.titlebar:not(headerbar),
+  .default-decoration.titlebar:backdrop:not(headerbar),
+  .csd .default-decoration.titlebar:backdrop:not(headerbar) {
     min-height: 28px;
     padding: 0 3px;
     background-color: #2f343f;
     border-bottom-width: 0; }
     .maximized headerbar.default-decoration, .maximized
     .csd headerbar.default-decoration, .maximized headerbar.default-decoration:backdrop, .maximized
-    .csd headerbar.default-decoration:backdrop {
+    .csd headerbar.default-decoration:backdrop,
+    .maximized .default-decoration.titlebar:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:not(headerbar),
+    .maximized .default-decoration.titlebar:backdrop:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:backdrop:not(headerbar) {
       background-color: #2f343f; }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: 3px 3px 0 0;
-  color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f;
-  box-shadow: inset 0 1px rgba(54, 59, 72, 0.97); }
-  .csd .titlebar {
-    background-color: rgba(47, 52, 63, 0.97); }
-  .titlebar:backdrop {
-    color: rgba(207, 218, 231, 0.5);
-    background-color: #323843; }
-    .csd .titlebar:backdrop {
-      background-color: rgba(50, 56, 67, 0.97); }
-  .maximized .titlebar {
-    background-color: #2f343f; }
-    .maximized .titlebar:backdrop, .csd .maximized .titlebar:backdrop {
-      background-color: #323843; }
-  window > .titlebar:not(headerbar),
-  window.csd > .titlebar:not(headerbar), window > .titlebar:backdrop:not(headerbar),
-  window.csd > .titlebar:backdrop:not(headerbar) {
-    padding: 0;
-    border: none;
-    background: none; }
-  .titlebar separator {
-    background-color: rgba(38, 42, 51, 0.97); }
+  border-radius: 3px 3px 0 0; }
 
-paned.titlebar separator {
-  background-color: transparent; }
+separator:first-child + headerbar, separator:first-child + headerbar:backdrop, headerbar:first-child, headerbar:first-child:backdrop {
+  border-top-left-radius: 3px; }
 
-paned.titlebar > headerbar:not(:only-child):not(:first-child):not(:last-child) {
-  border-radius: 0; }
+headerbar:last-child, headerbar:last-child:backdrop {
+  border-top-right-radius: 3px; }
 
-paned.titlebar > headerbar ~ headerbar {
-  border-top-left-radius: 0; }
+window.csd > .titlebar:not(headerbar),
+window.csd > .titlebar:not(headerbar):backdrop {
+  padding: 0;
+  background-color: transparent;
+  background-image: none;
+  border-style: none;
+  border-color: transparent;
+  box-shadow: none; }
 
-paned.titlebar > headerbar:first-child {
-  border-top-right-radius: 0; }
+.titlebar:not(headerbar) > separator {
+  background: rgba(38, 42, 51, 0.97); }
 
-headerbar entry, headerbar button, headerbar separator {
+headerbar entry, headerbar button, headerbar separator, .titlebar:not(headerbar) entry, .titlebar:not(headerbar) button, .titlebar:not(headerbar) separator {
   margin-top: 6px;
   margin-bottom: 6px; }
 
-.primary-toolbar separator, headerbar separator.titlebutton {
+.primary-toolbar separator, headerbar separator.titlebutton, .titlebar:not(headerbar) separator.titlebutton {
   min-width: 1px;
   min-height: 1px;
   background: none;
   border-width: 0 1px;
   border-image: linear-gradient(to bottom, rgba(207, 218, 231, 0) 25%, rgba(207, 218, 231, 0.15) 25%, rgba(207, 218, 231, 0.15) 75%, rgba(207, 218, 231, 0) 75%) 0 1/0 1px stretch; }
-  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop {
+  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop, .titlebar:not(headerbar) separator.titlebutton:backdrop {
     opacity: 0.6; }
 
-.primary-toolbar entry, headerbar entry {
+.primary-toolbar entry, headerbar entry, .titlebar:not(headerbar) entry {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.37);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.37));
   background-color: transparent; }
-  .primary-toolbar entry image, headerbar entry image, .primary-toolbar entry image:hover, headerbar entry image:hover {
+  .primary-toolbar entry image, headerbar entry image, .titlebar:not(headerbar) entry image, .primary-toolbar entry image:hover, headerbar entry image:hover, .titlebar:not(headerbar) entry image:hover {
     color: inherit; }
-  .primary-toolbar entry:backdrop, headerbar entry:backdrop {
+  .primary-toolbar entry:backdrop, headerbar entry:backdrop, .titlebar:not(headerbar) entry:backdrop {
     opacity: 0.85; }
-  .primary-toolbar entry:focus, headerbar entry:focus {
+  .primary-toolbar entry:focus, headerbar entry:focus, .titlebar:not(headerbar) entry:focus {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     background-clip: padding-box; }
-    .primary-toolbar entry:focus image, headerbar entry:focus image {
+    .primary-toolbar entry:focus image, headerbar entry:focus image, .titlebar:not(headerbar) entry:focus image {
       color: #ffffff; }
-  .primary-toolbar entry:disabled, headerbar entry:disabled {
+  .primary-toolbar entry:disabled, headerbar entry:disabled, .titlebar:not(headerbar) entry:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.22)); }
-  .primary-toolbar entry selection:focus, headerbar entry selection:focus {
+  .primary-toolbar entry selection:focus, headerbar entry selection:focus, .titlebar:not(headerbar) entry selection:focus {
     background-color: #ffffff;
     color: #5294E2; }
-  .primary-toolbar entry progress, headerbar entry progress {
+  .primary-toolbar entry progress, headerbar entry progress, .titlebar:not(headerbar) entry progress {
     border-color: #5294E2;
     background-image: none;
     background-color: transparent; }
-  .primary-toolbar entry.warning, headerbar entry.warning {
+  .primary-toolbar entry.warning, headerbar entry.warning, .titlebar:not(headerbar) entry.warning {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.37);
     background-image: linear-gradient(to bottom, rgba(167, 94, 57, 0.988)); }
-    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus {
+    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus, .titlebar:not(headerbar) entry.warning:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #F27835); }
-    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus {
+    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .titlebar:not(headerbar) entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus, .titlebar:not(headerbar) entry.warning selection:focus {
       background-color: #ffffff;
       color: #F27835; }
-  .primary-toolbar entry.error, headerbar entry.error {
+  .primary-toolbar entry.error, headerbar entry.error, .titlebar:not(headerbar) entry.error {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.37);
     background-image: linear-gradient(to bottom, rgba(173, 60, 59, 0.988)); }
-    .primary-toolbar entry.error:focus, headerbar entry.error:focus {
+    .primary-toolbar entry.error:focus, headerbar entry.error:focus, .titlebar:not(headerbar) entry.error:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #FC4138); }
-    .primary-toolbar entry.error selection, headerbar entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus {
+    .primary-toolbar entry.error selection, headerbar entry.error selection, .titlebar:not(headerbar) entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus, .titlebar:not(headerbar) entry.error selection:focus {
       background-color: #ffffff;
       color: #FC4138; }
 
-.primary-toolbar button, headerbar button {
+.primary-toolbar button, headerbar button, .titlebar:not(headerbar) button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   outline-offset: -3px;
   background-color: rgba(47, 52, 63, 0);
   border-color: rgba(47, 52, 63, 0); }
-  .primary-toolbar button:backdrop, headerbar button:backdrop {
+  .primary-toolbar button:backdrop, headerbar button:backdrop, .titlebar:not(headerbar) button:backdrop {
     opacity: 0.7; }
-  .primary-toolbar button:hover, headerbar button:hover {
+  .primary-toolbar button:hover, headerbar button:hover, .titlebar:not(headerbar) button:hover {
     color: rgba(207, 218, 231, 0.8);
     outline-color: rgba(207, 218, 231, 0.1);
     border-color: rgba(21, 23, 28, 0.37);
     background-color: rgba(95, 105, 127, 0.37); }
-  .primary-toolbar button:active, headerbar button:active, .primary-toolbar button:checked, headerbar button:checked {
+  .primary-toolbar button:active, headerbar button:active, .titlebar:not(headerbar) button:active, .primary-toolbar button:checked, headerbar button:checked, .titlebar:not(headerbar) button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2;
     background-clip: padding-box; }
-  .primary-toolbar button:disabled, headerbar button:disabled {
+  .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button:disabled label, headerbar button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled {
+    .primary-toolbar button:disabled label, headerbar button:disabled label, .titlebar:not(headerbar) button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
       color: rgba(207, 218, 231, 0.35); }
-  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked {
+  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .titlebar:not(headerbar) button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked, .titlebar:not(headerbar) button:disabled:checked {
     color: rgba(255, 255, 255, 0.75);
     border-color: rgba(82, 148, 226, 0.65);
     background-color: rgba(82, 148, 226, 0.65); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:disabled {
   border-radius: 3px;
   border-style: solid; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
   box-shadow: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.37);
   background-color: rgba(95, 105, 127, 0.37); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover {
     background-color: rgba(134, 144, 165, 0.37); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2; }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:disabled {
     color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button + button {
   border-left-style: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37), inset -1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked + entry {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar button.suggested-action, headerbar button.suggested-action {
+.primary-toolbar button.suggested-action, headerbar button.suggested-action, .titlebar:not(headerbar) button.suggested-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #4DADD4;
   border-color: #4DADD4; }
-  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button {
+  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .titlebar:not(headerbar) button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button, .titlebar:not(headerbar) button.suggested-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #4DADD4;
     outline-color: rgba(77, 173, 212, 0.3); }
-  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover {
+  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover, .titlebar:not(headerbar) button.suggested-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #76c0de;
     border-color: #76c0de; }
-  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked {
+  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .titlebar:not(headerbar) button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked, .titlebar:not(headerbar) button.suggested-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #2e96c0;
     border-color: #2e96c0; }
-  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .titlebar:not(headerbar) button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .titlebar:not(headerbar) button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop {
+.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar button.destructive-action, headerbar button.destructive-action {
+.primary-toolbar button.destructive-action, headerbar button.destructive-action, .titlebar:not(headerbar) button.destructive-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #F04A50;
   border-color: #F04A50; }
-  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button {
+  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .titlebar:not(headerbar) button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button, .titlebar:not(headerbar) button.destructive-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #F04A50;
     outline-color: rgba(240, 74, 80, 0.3); }
-  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover {
+  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover, .titlebar:not(headerbar) button.destructive-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #f4797e;
     border-color: #f4797e; }
-  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked {
+  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .titlebar:not(headerbar) button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked, .titlebar:not(headerbar) button.destructive-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #ec1b22;
     border-color: #ec1b22; }
-  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .titlebar:not(headerbar) button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .titlebar:not(headerbar) button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop {
+.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus {
+.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus, .titlebar:not(headerbar) spinbutton:not(.vertical):focus {
   color: #ffffff;
   caret-color: #ffffff; }
 
-.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .titlebar:not(headerbar) spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.37);
   background-color: rgba(95, 105, 127, 0.37); }
 
-.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover {
+.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover, .titlebar:not(headerbar) spinbutton:not(.vertical) button:hover {
   background-color: rgba(134, 144, 165, 0.37); }
 
-.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked {
+.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .titlebar:not(headerbar) spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked, .titlebar:not(headerbar) spinbutton:not(.vertical) button:checked {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   border-color: transparent;
   background-color: #5294E2; }
 
-.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button {
+.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button + button {
   border-left-style: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button {
+.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover + button {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover {
+.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry + button:not(:active):hover {
   box-shadow: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button {
+.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry:focus + button {
   border-left-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar combobox:disabled, headerbar combobox:disabled {
+.primary-toolbar combobox:disabled, headerbar combobox:disabled, .titlebar:not(headerbar) combobox:disabled {
   color: rgba(207, 218, 231, 0.2); }
 
-.primary-toolbar combobox.linked button, headerbar combobox.linked button {
+.primary-toolbar combobox.linked button, headerbar combobox.linked button, .titlebar:not(headerbar) combobox.linked button {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.37);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.37));
   background-color: transparent; }
-  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover {
+  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .titlebar:not(headerbar) combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover, .titlebar:not(headerbar) combobox.linked button image:hover {
     color: inherit; }
-  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover {
+  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover, .titlebar:not(headerbar) combobox.linked button:hover {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     box-shadow: none; }
-  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled {
+  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled, .titlebar:not(headerbar) combobox.linked button:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.22)); }
 
-.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr) {
+.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr), .titlebar:not(headerbar) combobox.linked entry:dir(ltr) {
   border-right-style: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl) {
+.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl), .titlebar:not(headerbar) combobox.linked entry:dir(rtl) {
   border-left-style: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled {
+.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):disabled {
   border-top-left-radius: 0;
   border-bottom-left-radius: 0; }
 
-.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled {
+.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):disabled {
   border-top-right-radius: 0;
   border-bottom-right-radius: 0; }
 
-.primary-toolbar switch:backdrop, headerbar switch:backdrop {
+.primary-toolbar switch:backdrop, headerbar switch:backdrop, .titlebar:not(headerbar) switch:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar progressbar trough, headerbar progressbar trough {
+.primary-toolbar progressbar trough, headerbar progressbar trough, .titlebar:not(headerbar) progressbar trough {
   background-color: rgba(21, 23, 28, 0.37); }
 
-.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop {
+.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop, .titlebar:not(headerbar) progressbar:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale:backdrop, headerbar scale:backdrop {
+.primary-toolbar scale:backdrop, headerbar scale:backdrop, .titlebar:not(headerbar) scale:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale slider, headerbar scale slider {
+.primary-toolbar scale slider, headerbar scale slider, .titlebar:not(headerbar) scale slider {
   background-image: linear-gradient(to bottom, #454c5c);
   border-color: rgba(21, 23, 28, 0.67); }
-  .primary-toolbar scale slider:hover, headerbar scale slider:hover {
+  .primary-toolbar scale slider:hover, headerbar scale slider:hover, .titlebar:not(headerbar) scale slider:hover {
     background-image: linear-gradient(to bottom, #50586b);
     border-color: rgba(21, 23, 28, 0.67); }
-  .primary-toolbar scale slider:active, headerbar scale slider:active {
+  .primary-toolbar scale slider:active, headerbar scale slider:active, .titlebar:not(headerbar) scale slider:active {
     background-image: linear-gradient(to bottom, #5294E2);
     border-color: #5294E2; }
-  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled {
+  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled, .titlebar:not(headerbar) scale slider:disabled {
     background-image: linear-gradient(to bottom, rgba(63, 69, 84, 0.991));
     border-color: rgba(21, 23, 28, 0.67); }
 
-.primary-toolbar scale trough, headerbar scale trough {
+.primary-toolbar scale trough, headerbar scale trough, .titlebar:not(headerbar) scale trough {
   background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.37)); }
-  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled {
+  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled, .titlebar:not(headerbar) scale trough:disabled {
     background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.27)); }
 
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button {
@@ -2226,7 +2237,7 @@ levelbar block.empty {
 
 printdialog paper {
   border: 1px solid #dcdfe3;
-  background: white;
+  background: #ffffff;
   padding: 0; }
 
 printdialog .dialog-action-box {
@@ -2980,10 +2991,10 @@ modelbutton.flat:selected arrow, treeview.view:selected, treeview.view:selected:
     color: #ffffff; }
 
 .nautilus-canvas-item.dim-label, label.nautilus-canvas-item.separator,
-popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle,
+popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle,
 .nautilus-list-dim-label {
   color: #a9acb2; }
-  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus,
+  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected:focus,
   .nautilus-list-dim-label:selected,
   .nautilus-list-dim-label:selected:focus {
     color: #dceaf9; }
diff --git a/common/gtk-3.0/3.20/gtk-solid-dark.css b/common/gtk-3.0/3.20/gtk-solid-dark.css
index 67b41ae..a1fc75c 100644
--- a/common/gtk-3.0/3.20/gtk-solid-dark.css
+++ b/common/gtk-3.0/3.20/gtk-solid-dark.css
@@ -77,7 +77,7 @@ label:disabled {
   color: rgba(211, 218, 227, 0.45); }
 
 .dim-label, label.separator, popover label.separator,
-popover.background label.separator, headerbar .subtitle {
+popover.background label.separator, headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
   opacity: 0.55; }
 
 assistant .sidebar {
@@ -636,20 +636,20 @@ toolbar.inline-toolbar toolbutton > button.flat, .inline-toolbar toolbutton > bu
 .linked:not(.vertical) > entry:focus, .inline-toolbar button, .inline-toolbar button:backdrop, .linked:not(.vertical) > button,
 .linked:not(.vertical) > button:hover,
 .linked:not(.vertical) > button:active,
-.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
+.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child {
+.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:first-child {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
 
-.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child {
+.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
 
-.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child {
+.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:only-child {
   border-radius: 3px;
   border-style: solid; }
 
@@ -736,7 +736,7 @@ modelbutton.flat arrow.right {
   .warning button:visited,
   .error *:link,
   .error button:link,
-  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link,
+  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link,
   *:selected *:link,
   *:selected button:link,
   *:selected button:visited {
@@ -881,460 +881,471 @@ actionbar {
   border-top: 1px solid #2b2e39;
   background-color: #313541; }
 
-headerbar {
+headerbar,
+.titlebar:not(headerbar) {
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: #262a33;
   color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f; }
-  .csd headerbar {
-    border-radius: 3px 3px 0 0;
+  background-color: #2f343f;
+  box-shadow: inset 0 1px #363b48; }
+  .csd headerbar,
+  .csd .titlebar:not(headerbar) {
     background-color: #2f343f;
     border-color: #262a33; }
-  headerbar:backdrop {
-    color: rgba(207, 218, 231, 0.5); }
-    .csd headerbar:backdrop {
+  headerbar:backdrop,
+  .titlebar:backdrop:not(headerbar) {
+    color: rgba(207, 218, 231, 0.5);
+    background-color: #323843; }
+    .csd headerbar:backdrop,
+    .csd .titlebar:backdrop:not(headerbar) {
       background-color: #323843; }
-  headerbar .title {
+  headerbar .title, .titlebar:not(headerbar) .title {
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar .subtitle {
+  headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar.selection-mode, headerbar.titlebar.selection-mode {
+  headerbar.selection-mode, headerbar.titlebar.selection-mode,
+  .selection-mode.titlebar:not(headerbar),
+  .titlebar.selection-mode:not(headerbar) {
     color: #ffffff;
     background-color: #5294E2;
     border-color: #4189df;
     box-shadow: none; }
-    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop {
+    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop,
+    .selection-mode.titlebar:backdrop:not(headerbar),
+    .titlebar.selection-mode:backdrop:not(headerbar) {
       background-color: #5294E2;
       color: rgba(255, 255, 255, 0.6); }
-    headerbar.selection-mode button, headerbar.titlebar.selection-mode button {
+    headerbar.selection-mode button, headerbar.titlebar.selection-mode button, .selection-mode.titlebar:not(headerbar) button, .titlebar.selection-mode:not(headerbar) button {
       color: #ffffff;
       outline-color: rgba(255, 255, 255, 0.3);
       background-color: rgba(255, 255, 255, 0);
       border-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button {
+      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.sidebar-button, .titlebar.selection-mode:not(headerbar) button.flat, .titlebar.selection-mode:not(headerbar) button.sidebar-button {
         border-color: transparent;
         background-color: transparent;
         background-image: none;
         color: #ffffff;
         background-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover {
+      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .titlebar.selection-mode:not(headerbar) button:hover {
         color: #ffffff;
         outline-color: rgba(255, 255, 255, 0.3);
         background-color: rgba(255, 255, 255, 0.05);
         border-color: rgba(255, 255, 255, 0.5); }
-      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked {
+      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .titlebar.selection-mode:not(headerbar) button:active, .titlebar.selection-mode:not(headerbar) button:checked {
         color: #5294E2;
         outline-color: rgba(82, 148, 226, 0.3);
         background-color: #ffffff;
         border-color: #ffffff; }
-      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled {
+      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled, .selection-mode.titlebar:not(headerbar) button:disabled, .titlebar.selection-mode:not(headerbar) button:disabled {
         color: rgba(255, 255, 255, 0.4);
         background-color: rgba(255, 255, 255, 0);
         border-color: rgba(255, 255, 255, 0); }
-        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked {
+        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked, .selection-mode.titlebar:not(headerbar) button:disabled:active, .selection-mode.titlebar:not(headerbar) button:disabled:checked, .titlebar.selection-mode:not(headerbar) button:disabled:active, .titlebar.selection-mode:not(headerbar) button:disabled:checked {
           color: rgba(82, 148, 226, 0.4);
           background-color: rgba(255, 255, 255, 0.15);
           border-color: rgba(255, 255, 255, 0.15); }
-    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu {
+    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu, .selection-mode.titlebar:not(headerbar) .selection-menu, .titlebar.selection-mode:not(headerbar) .selection-menu {
       box-shadow: none;
       padding-left: 10px;
       padding-right: 10px; }
-      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow {
+      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow, .selection-mode.titlebar:not(headerbar) .selection-menu GtkArrow, .titlebar.selection-mode:not(headerbar) .selection-menu GtkArrow {
         -GtkArrow-arrow-scaling: 1; }
-      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow {
+      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow, .selection-mode.titlebar:not(headerbar) .selection-menu .arrow, .titlebar.selection-mode:not(headerbar) .selection-menu .arrow {
         -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
-    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode {
+    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode,
+    .maximized .selection-mode.titlebar:not(headerbar),
+    .maximized .titlebar.selection-mode:not(headerbar) {
       background-color: #5294e2; }
   .tiled headerbar, .tiled headerbar:backdrop,
-  .maximized headerbar, .maximized headerbar:backdrop {
+  .maximized headerbar, .maximized headerbar:backdrop,
+  .tiled .titlebar:not(headerbar),
+  .tiled .titlebar:backdrop:not(headerbar),
+  .maximized .titlebar:not(headerbar),
+  .maximized .titlebar:backdrop:not(headerbar) {
     border-radius: 0; }
-  .maximized headerbar {
+  .maximized headerbar,
+  .maximized .titlebar:not(headerbar) {
     background-color: #2f343f;
     border-color: #262a33; }
+    .maximized headerbar:backdrop,
+    .maximized .titlebar:backdrop:not(headerbar) {
+      background-color: #323843; }
   headerbar.default-decoration,
   .csd headerbar.default-decoration, headerbar.default-decoration:backdrop,
-  .csd headerbar.default-decoration:backdrop {
+  .csd headerbar.default-decoration:backdrop,
+  .default-decoration.titlebar:not(headerbar),
+  .csd .default-decoration.titlebar:not(headerbar),
+  .default-decoration.titlebar:backdrop:not(headerbar),
+  .csd .default-decoration.titlebar:backdrop:not(headerbar) {
     min-height: 28px;
     padding: 0 3px;
     background-color: #2f343f;
     border-bottom-width: 0; }
     .maximized headerbar.default-decoration, .maximized
     .csd headerbar.default-decoration, .maximized headerbar.default-decoration:backdrop, .maximized
-    .csd headerbar.default-decoration:backdrop {
+    .csd headerbar.default-decoration:backdrop,
+    .maximized .default-decoration.titlebar:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:not(headerbar),
+    .maximized .default-decoration.titlebar:backdrop:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:backdrop:not(headerbar) {
       background-color: #2f343f; }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: 3px 3px 0 0;
-  color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f;
-  box-shadow: inset 0 1px #363b48; }
-  .csd .titlebar {
-    background-color: #2f343f; }
-  .titlebar:backdrop {
-    color: rgba(207, 218, 231, 0.5);
-    background-color: #323843; }
-    .csd .titlebar:backdrop {
-      background-color: #323843; }
-  .maximized .titlebar {
-    background-color: #2f343f; }
-    .maximized .titlebar:backdrop, .csd .maximized .titlebar:backdrop {
-      background-color: #323843; }
-  window > .titlebar:not(headerbar),
-  window.csd > .titlebar:not(headerbar), window > .titlebar:backdrop:not(headerbar),
-  window.csd > .titlebar:backdrop:not(headerbar) {
-    padding: 0;
-    border: none;
-    background: none; }
-  .titlebar separator {
-    background-color: #262a33; }
+  border-radius: 3px 3px 0 0; }
 
-paned.titlebar separator {
-  background-color: transparent; }
+separator:first-child + headerbar, separator:first-child + headerbar:backdrop, headerbar:first-child, headerbar:first-child:backdrop {
+  border-top-left-radius: 3px; }
 
-paned.titlebar > headerbar:not(:only-child):not(:first-child):not(:last-child) {
-  border-radius: 0; }
+headerbar:last-child, headerbar:last-child:backdrop {
+  border-top-right-radius: 3px; }
 
-paned.titlebar > headerbar ~ headerbar {
-  border-top-left-radius: 0; }
+window.csd > .titlebar:not(headerbar),
+window.csd > .titlebar:not(headerbar):backdrop {
+  padding: 0;
+  background-color: transparent;
+  background-image: none;
+  border-style: none;
+  border-color: transparent;
+  box-shadow: none; }
 
-paned.titlebar > headerbar:first-child {
-  border-top-right-radius: 0; }
+.titlebar:not(headerbar) > separator {
+  background: #262a33; }
 
-headerbar entry, headerbar button, headerbar separator {
+headerbar entry, headerbar button, headerbar separator, .titlebar:not(headerbar) entry, .titlebar:not(headerbar) button, .titlebar:not(headerbar) separator {
   margin-top: 6px;
   margin-bottom: 6px; }
 
-.primary-toolbar separator, headerbar separator.titlebutton {
+.primary-toolbar separator, headerbar separator.titlebutton, .titlebar:not(headerbar) separator.titlebutton {
   min-width: 1px;
   min-height: 1px;
   background: none;
   border-width: 0 1px;
   border-image: linear-gradient(to bottom, rgba(207, 218, 231, 0) 25%, rgba(207, 218, 231, 0.15) 25%, rgba(207, 218, 231, 0.15) 75%, rgba(207, 218, 231, 0) 75%) 0 1/0 1px stretch; }
-  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop {
+  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop, .titlebar:not(headerbar) separator.titlebutton:backdrop {
     opacity: 0.6; }
 
-.primary-toolbar entry, headerbar entry {
+.primary-toolbar entry, headerbar entry, .titlebar:not(headerbar) entry {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.4);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.4));
   background-color: transparent; }
-  .primary-toolbar entry image, headerbar entry image, .primary-toolbar entry image:hover, headerbar entry image:hover {
+  .primary-toolbar entry image, headerbar entry image, .titlebar:not(headerbar) entry image, .primary-toolbar entry image:hover, headerbar entry image:hover, .titlebar:not(headerbar) entry image:hover {
     color: inherit; }
-  .primary-toolbar entry:backdrop, headerbar entry:backdrop {
+  .primary-toolbar entry:backdrop, headerbar entry:backdrop, .titlebar:not(headerbar) entry:backdrop {
     opacity: 0.85; }
-  .primary-toolbar entry:focus, headerbar entry:focus {
+  .primary-toolbar entry:focus, headerbar entry:focus, .titlebar:not(headerbar) entry:focus {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     background-clip: padding-box; }
-    .primary-toolbar entry:focus image, headerbar entry:focus image {
+    .primary-toolbar entry:focus image, headerbar entry:focus image, .titlebar:not(headerbar) entry:focus image {
       color: #ffffff; }
-  .primary-toolbar entry:disabled, headerbar entry:disabled {
+  .primary-toolbar entry:disabled, headerbar entry:disabled, .titlebar:not(headerbar) entry:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.25)); }
-  .primary-toolbar entry selection:focus, headerbar entry selection:focus {
+  .primary-toolbar entry selection:focus, headerbar entry selection:focus, .titlebar:not(headerbar) entry selection:focus {
     background-color: #ffffff;
     color: #5294E2; }
-  .primary-toolbar entry progress, headerbar entry progress {
+  .primary-toolbar entry progress, headerbar entry progress, .titlebar:not(headerbar) entry progress {
     border-color: #5294E2;
     background-image: none;
     background-color: transparent; }
-  .primary-toolbar entry.warning, headerbar entry.warning {
+  .primary-toolbar entry.warning, headerbar entry.warning, .titlebar:not(headerbar) entry.warning {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.4);
     background-image: linear-gradient(to bottom, #a45d39); }
-    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus {
+    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus, .titlebar:not(headerbar) entry.warning:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #F27835); }
-    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus {
+    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .titlebar:not(headerbar) entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus, .titlebar:not(headerbar) entry.warning selection:focus {
       background-color: #ffffff;
       color: #F27835; }
-  .primary-toolbar entry.error, headerbar entry.error {
+  .primary-toolbar entry.error, headerbar entry.error, .titlebar:not(headerbar) entry.error {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.4);
     background-image: linear-gradient(to bottom, #aa3c3b); }
-    .primary-toolbar entry.error:focus, headerbar entry.error:focus {
+    .primary-toolbar entry.error:focus, headerbar entry.error:focus, .titlebar:not(headerbar) entry.error:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #FC4138); }
-    .primary-toolbar entry.error selection, headerbar entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus {
+    .primary-toolbar entry.error selection, headerbar entry.error selection, .titlebar:not(headerbar) entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus, .titlebar:not(headerbar) entry.error selection:focus {
       background-color: #ffffff;
       color: #FC4138; }
 
-.primary-toolbar button, headerbar button {
+.primary-toolbar button, headerbar button, .titlebar:not(headerbar) button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   outline-offset: -3px;
   background-color: rgba(47, 52, 63, 0);
   border-color: rgba(47, 52, 63, 0); }
-  .primary-toolbar button:backdrop, headerbar button:backdrop {
+  .primary-toolbar button:backdrop, headerbar button:backdrop, .titlebar:not(headerbar) button:backdrop {
     opacity: 0.7; }
-  .primary-toolbar button:hover, headerbar button:hover {
+  .primary-toolbar button:hover, headerbar button:hover, .titlebar:not(headerbar) button:hover {
     color: rgba(207, 218, 231, 0.8);
     outline-color: rgba(207, 218, 231, 0.1);
     border-color: rgba(21, 23, 28, 0.4);
     background-color: rgba(95, 105, 127, 0.4); }
-  .primary-toolbar button:active, headerbar button:active, .primary-toolbar button:checked, headerbar button:checked {
+  .primary-toolbar button:active, headerbar button:active, .titlebar:not(headerbar) button:active, .primary-toolbar button:checked, headerbar button:checked, .titlebar:not(headerbar) button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2;
     background-clip: padding-box; }
-  .primary-toolbar button:disabled, headerbar button:disabled {
+  .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button:disabled label, headerbar button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled {
+    .primary-toolbar button:disabled label, headerbar button:disabled label, .titlebar:not(headerbar) button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
       color: rgba(207, 218, 231, 0.35); }
-  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked {
+  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .titlebar:not(headerbar) button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked, .titlebar:not(headerbar) button:disabled:checked {
     color: rgba(255, 255, 255, 0.75);
     border-color: rgba(82, 148, 226, 0.65);
     background-color: rgba(82, 148, 226, 0.65); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:disabled {
   border-radius: 3px;
   border-style: solid; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
   box-shadow: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.4);
   background-color: rgba(95, 105, 127, 0.4); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover {
     background-color: rgba(134, 144, 165, 0.4); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2; }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:disabled {
     color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button + button {
   border-left-style: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4), inset -1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked + entry {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar button.suggested-action, headerbar button.suggested-action {
+.primary-toolbar button.suggested-action, headerbar button.suggested-action, .titlebar:not(headerbar) button.suggested-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #4DADD4;
   border-color: #4DADD4; }
-  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button {
+  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .titlebar:not(headerbar) button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button, .titlebar:not(headerbar) button.suggested-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #4DADD4;
     outline-color: rgba(77, 173, 212, 0.3); }
-  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover {
+  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover, .titlebar:not(headerbar) button.suggested-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #76c0de;
     border-color: #76c0de; }
-  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked {
+  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .titlebar:not(headerbar) button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked, .titlebar:not(headerbar) button.suggested-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #2e96c0;
     border-color: #2e96c0; }
-  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .titlebar:not(headerbar) button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .titlebar:not(headerbar) button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop {
+.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar button.destructive-action, headerbar button.destructive-action {
+.primary-toolbar button.destructive-action, headerbar button.destructive-action, .titlebar:not(headerbar) button.destructive-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #F04A50;
   border-color: #F04A50; }
-  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button {
+  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .titlebar:not(headerbar) button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button, .titlebar:not(headerbar) button.destructive-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #F04A50;
     outline-color: rgba(240, 74, 80, 0.3); }
-  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover {
+  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover, .titlebar:not(headerbar) button.destructive-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #f4797e;
     border-color: #f4797e; }
-  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked {
+  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .titlebar:not(headerbar) button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked, .titlebar:not(headerbar) button.destructive-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #ec1b22;
     border-color: #ec1b22; }
-  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .titlebar:not(headerbar) button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .titlebar:not(headerbar) button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop {
+.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus {
+.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus, .titlebar:not(headerbar) spinbutton:not(.vertical):focus {
   color: #ffffff;
   caret-color: #ffffff; }
 
-.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .titlebar:not(headerbar) spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.4);
   background-color: rgba(95, 105, 127, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover {
+.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover, .titlebar:not(headerbar) spinbutton:not(.vertical) button:hover {
   background-color: rgba(134, 144, 165, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked {
+.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .titlebar:not(headerbar) spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked, .titlebar:not(headerbar) spinbutton:not(.vertical) button:checked {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   border-color: transparent;
   background-color: #5294E2; }
 
-.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button {
+.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button + button {
   border-left-style: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button {
+.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover + button {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover {
+.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry + button:not(:active):hover {
   box-shadow: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button {
+.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry:focus + button {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar combobox:disabled, headerbar combobox:disabled {
+.primary-toolbar combobox:disabled, headerbar combobox:disabled, .titlebar:not(headerbar) combobox:disabled {
   color: rgba(207, 218, 231, 0.2); }
 
-.primary-toolbar combobox.linked button, headerbar combobox.linked button {
+.primary-toolbar combobox.linked button, headerbar combobox.linked button, .titlebar:not(headerbar) combobox.linked button {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.4);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.4));
   background-color: transparent; }
-  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover {
+  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .titlebar:not(headerbar) combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover, .titlebar:not(headerbar) combobox.linked button image:hover {
     color: inherit; }
-  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover {
+  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover, .titlebar:not(headerbar) combobox.linked button:hover {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     box-shadow: none; }
-  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled {
+  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled, .titlebar:not(headerbar) combobox.linked button:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.25)); }
 
-.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr) {
+.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr), .titlebar:not(headerbar) combobox.linked entry:dir(ltr) {
   border-right-style: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl) {
+.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl), .titlebar:not(headerbar) combobox.linked entry:dir(rtl) {
   border-left-style: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled {
+.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):disabled {
   border-top-left-radius: 0;
   border-bottom-left-radius: 0; }
 
-.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled {
+.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):disabled {
   border-top-right-radius: 0;
   border-bottom-right-radius: 0; }
 
-.primary-toolbar switch:backdrop, headerbar switch:backdrop {
+.primary-toolbar switch:backdrop, headerbar switch:backdrop, .titlebar:not(headerbar) switch:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar progressbar trough, headerbar progressbar trough {
+.primary-toolbar progressbar trough, headerbar progressbar trough, .titlebar:not(headerbar) progressbar trough {
   background-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop {
+.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop, .titlebar:not(headerbar) progressbar:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale:backdrop, headerbar scale:backdrop {
+.primary-toolbar scale:backdrop, headerbar scale:backdrop, .titlebar:not(headerbar) scale:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale slider, headerbar scale slider {
+.primary-toolbar scale slider, headerbar scale slider, .titlebar:not(headerbar) scale slider {
   background-image: linear-gradient(to bottom, #454c5c);
   border-color: rgba(21, 23, 28, 0.7); }
-  .primary-toolbar scale slider:hover, headerbar scale slider:hover {
+  .primary-toolbar scale slider:hover, headerbar scale slider:hover, .titlebar:not(headerbar) scale slider:hover {
     background-image: linear-gradient(to bottom, #50586b);
     border-color: rgba(21, 23, 28, 0.7); }
-  .primary-toolbar scale slider:active, headerbar scale slider:active {
+  .primary-toolbar scale slider:active, headerbar scale slider:active, .titlebar:not(headerbar) scale slider:active {
     background-image: linear-gradient(to bottom, #5294E2);
     border-color: #5294E2; }
-  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled {
+  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled, .titlebar:not(headerbar) scale slider:disabled {
     background-image: linear-gradient(to bottom, #3e4553);
     border-color: rgba(21, 23, 28, 0.7); }
 
-.primary-toolbar scale trough, headerbar scale trough {
+.primary-toolbar scale trough, headerbar scale trough, .titlebar:not(headerbar) scale trough {
   background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.4)); }
-  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled {
+  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled, .titlebar:not(headerbar) scale trough:disabled {
     background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.3)); }
 
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button {
@@ -2227,7 +2238,7 @@ levelbar block.empty {
 
 printdialog paper {
   border: 1px solid #2b2e39;
-  background: white;
+  background: #404552;
   padding: 0; }
 
 printdialog .dialog-action-box {
@@ -2981,10 +2992,10 @@ modelbutton.flat:selected arrow, treeview.view:selected, treeview.view:selected:
     color: #ffffff; }
 
 .nautilus-canvas-item.dim-label, label.nautilus-canvas-item.separator,
-popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle,
+popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle,
 .nautilus-list-dim-label {
   color: #868b97; }
-  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus,
+  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected:focus,
   .nautilus-list-dim-label:selected,
   .nautilus-list-dim-label:selected:focus {
     color: #dceaf9; }
diff --git a/common/gtk-3.0/3.20/gtk-solid-darker.css b/common/gtk-3.0/3.20/gtk-solid-darker.css
index 1401f88..bed8ad8 100644
--- a/common/gtk-3.0/3.20/gtk-solid-darker.css
+++ b/common/gtk-3.0/3.20/gtk-solid-darker.css
@@ -77,7 +77,7 @@ label:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
 .dim-label, label.separator, popover label.separator,
-popover.background label.separator, headerbar .subtitle {
+popover.background label.separator, headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
   opacity: 0.55; }
 
 assistant .sidebar {
@@ -635,20 +635,20 @@ toolbar.inline-toolbar toolbutton > button.flat, .inline-toolbar toolbutton > bu
 .linked:not(.vertical) > entry:focus, .inline-toolbar button, .inline-toolbar button:backdrop, .linked:not(.vertical) > button,
 .linked:not(.vertical) > button:hover,
 .linked:not(.vertical) > button:active,
-.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
+.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child {
+.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:first-child {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
 
-.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child {
+.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
 
-.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child {
+.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:only-child {
   border-radius: 3px;
   border-style: solid; }
 
@@ -735,7 +735,7 @@ modelbutton.flat arrow.right {
   .warning button:visited,
   .error *:link,
   .error button:link,
-  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link,
+  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link,
   *:selected *:link,
   *:selected button:link,
   *:selected button:visited {
@@ -880,460 +880,471 @@ actionbar {
   border-top: 1px solid #dcdfe3;
   background-color: #edeef0; }
 
-headerbar {
+headerbar,
+.titlebar:not(headerbar) {
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: #262a33;
   color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f; }
-  .csd headerbar {
-    border-radius: 3px 3px 0 0;
+  background-color: #2f343f;
+  box-shadow: inset 0 1px #363b48; }
+  .csd headerbar,
+  .csd .titlebar:not(headerbar) {
     background-color: #2f343f;
     border-color: #262a33; }
-  headerbar:backdrop {
-    color: rgba(207, 218, 231, 0.5); }
-    .csd headerbar:backdrop {
+  headerbar:backdrop,
+  .titlebar:backdrop:not(headerbar) {
+    color: rgba(207, 218, 231, 0.5);
+    background-color: #323843; }
+    .csd headerbar:backdrop,
+    .csd .titlebar:backdrop:not(headerbar) {
       background-color: #323843; }
-  headerbar .title {
+  headerbar .title, .titlebar:not(headerbar) .title {
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar .subtitle {
+  headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar.selection-mode, headerbar.titlebar.selection-mode {
+  headerbar.selection-mode, headerbar.titlebar.selection-mode,
+  .selection-mode.titlebar:not(headerbar),
+  .titlebar.selection-mode:not(headerbar) {
     color: #ffffff;
     background-color: #5294E2;
     border-color: #4189df;
     box-shadow: none; }
-    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop {
+    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop,
+    .selection-mode.titlebar:backdrop:not(headerbar),
+    .titlebar.selection-mode:backdrop:not(headerbar) {
       background-color: #5294E2;
       color: rgba(255, 255, 255, 0.6); }
-    headerbar.selection-mode button, headerbar.titlebar.selection-mode button {
+    headerbar.selection-mode button, headerbar.titlebar.selection-mode button, .selection-mode.titlebar:not(headerbar) button, .titlebar.selection-mode:not(headerbar) button {
       color: #ffffff;
       outline-color: rgba(255, 255, 255, 0.3);
       background-color: rgba(255, 255, 255, 0);
       border-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button {
+      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.sidebar-button, .titlebar.selection-mode:not(headerbar) button.flat, .titlebar.selection-mode:not(headerbar) button.sidebar-button {
         border-color: transparent;
         background-color: transparent;
         background-image: none;
         color: #ffffff;
         background-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover {
+      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .titlebar.selection-mode:not(headerbar) button:hover {
         color: #ffffff;
         outline-color: rgba(255, 255, 255, 0.3);
         background-color: rgba(255, 255, 255, 0.05);
         border-color: rgba(255, 255, 255, 0.5); }
-      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked {
+      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .titlebar.selection-mode:not(headerbar) button:active, .titlebar.selection-mode:not(headerbar) button:checked {
         color: #5294E2;
         outline-color: rgba(82, 148, 226, 0.3);
         background-color: #ffffff;
         border-color: #ffffff; }
-      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled {
+      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled, .selection-mode.titlebar:not(headerbar) button:disabled, .titlebar.selection-mode:not(headerbar) button:disabled {
         color: rgba(255, 255, 255, 0.4);
         background-color: rgba(255, 255, 255, 0);
         border-color: rgba(255, 255, 255, 0); }
-        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked {
+        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked, .selection-mode.titlebar:not(headerbar) button:disabled:active, .selection-mode.titlebar:not(headerbar) button:disabled:checked, .titlebar.selection-mode:not(headerbar) button:disabled:active, .titlebar.selection-mode:not(headerbar) button:disabled:checked {
           color: rgba(82, 148, 226, 0.4);
           background-color: rgba(255, 255, 255, 0.15);
           border-color: rgba(255, 255, 255, 0.15); }
-    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu {
+    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu, .selection-mode.titlebar:not(headerbar) .selection-menu, .titlebar.selection-mode:not(headerbar) .selection-menu {
       box-shadow: none;
       padding-left: 10px;
       padding-right: 10px; }
-      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow {
+      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow, .selection-mode.titlebar:not(headerbar) .selection-menu GtkArrow, .titlebar.selection-mode:not(headerbar) .selection-menu GtkArrow {
         -GtkArrow-arrow-scaling: 1; }
-      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow {
+      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow, .selection-mode.titlebar:not(headerbar) .selection-menu .arrow, .titlebar.selection-mode:not(headerbar) .selection-menu .arrow {
         -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
-    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode {
+    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode,
+    .maximized .selection-mode.titlebar:not(headerbar),
+    .maximized .titlebar.selection-mode:not(headerbar) {
       background-color: #5294e2; }
   .tiled headerbar, .tiled headerbar:backdrop,
-  .maximized headerbar, .maximized headerbar:backdrop {
+  .maximized headerbar, .maximized headerbar:backdrop,
+  .tiled .titlebar:not(headerbar),
+  .tiled .titlebar:backdrop:not(headerbar),
+  .maximized .titlebar:not(headerbar),
+  .maximized .titlebar:backdrop:not(headerbar) {
     border-radius: 0; }
-  .maximized headerbar {
+  .maximized headerbar,
+  .maximized .titlebar:not(headerbar) {
     background-color: #2f343f;
     border-color: #262a33; }
+    .maximized headerbar:backdrop,
+    .maximized .titlebar:backdrop:not(headerbar) {
+      background-color: #323843; }
   headerbar.default-decoration,
   .csd headerbar.default-decoration, headerbar.default-decoration:backdrop,
-  .csd headerbar.default-decoration:backdrop {
+  .csd headerbar.default-decoration:backdrop,
+  .default-decoration.titlebar:not(headerbar),
+  .csd .default-decoration.titlebar:not(headerbar),
+  .default-decoration.titlebar:backdrop:not(headerbar),
+  .csd .default-decoration.titlebar:backdrop:not(headerbar) {
     min-height: 28px;
     padding: 0 3px;
     background-color: #2f343f;
     border-bottom-width: 0; }
     .maximized headerbar.default-decoration, .maximized
     .csd headerbar.default-decoration, .maximized headerbar.default-decoration:backdrop, .maximized
-    .csd headerbar.default-decoration:backdrop {
+    .csd headerbar.default-decoration:backdrop,
+    .maximized .default-decoration.titlebar:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:not(headerbar),
+    .maximized .default-decoration.titlebar:backdrop:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:backdrop:not(headerbar) {
       background-color: #2f343f; }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: 3px 3px 0 0;
-  color: rgba(207, 218, 231, 0.8);
-  background-color: #2f343f;
-  box-shadow: inset 0 1px #363b48; }
-  .csd .titlebar {
-    background-color: #2f343f; }
-  .titlebar:backdrop {
-    color: rgba(207, 218, 231, 0.5);
-    background-color: #323843; }
-    .csd .titlebar:backdrop {
-      background-color: #323843; }
-  .maximized .titlebar {
-    background-color: #2f343f; }
-    .maximized .titlebar:backdrop, .csd .maximized .titlebar:backdrop {
-      background-color: #323843; }
-  window > .titlebar:not(headerbar),
-  window.csd > .titlebar:not(headerbar), window > .titlebar:backdrop:not(headerbar),
-  window.csd > .titlebar:backdrop:not(headerbar) {
-    padding: 0;
-    border: none;
-    background: none; }
-  .titlebar separator {
-    background-color: #262a33; }
+  border-radius: 3px 3px 0 0; }
 
-paned.titlebar separator {
-  background-color: transparent; }
+separator:first-child + headerbar, separator:first-child + headerbar:backdrop, headerbar:first-child, headerbar:first-child:backdrop {
+  border-top-left-radius: 3px; }
 
-paned.titlebar > headerbar:not(:only-child):not(:first-child):not(:last-child) {
-  border-radius: 0; }
+headerbar:last-child, headerbar:last-child:backdrop {
+  border-top-right-radius: 3px; }
 
-paned.titlebar > headerbar ~ headerbar {
-  border-top-left-radius: 0; }
+window.csd > .titlebar:not(headerbar),
+window.csd > .titlebar:not(headerbar):backdrop {
+  padding: 0;
+  background-color: transparent;
+  background-image: none;
+  border-style: none;
+  border-color: transparent;
+  box-shadow: none; }
 
-paned.titlebar > headerbar:first-child {
-  border-top-right-radius: 0; }
+.titlebar:not(headerbar) > separator {
+  background: #262a33; }
 
-headerbar entry, headerbar button, headerbar separator {
+headerbar entry, headerbar button, headerbar separator, .titlebar:not(headerbar) entry, .titlebar:not(headerbar) button, .titlebar:not(headerbar) separator {
   margin-top: 6px;
   margin-bottom: 6px; }
 
-.primary-toolbar separator, headerbar separator.titlebutton {
+.primary-toolbar separator, headerbar separator.titlebutton, .titlebar:not(headerbar) separator.titlebutton {
   min-width: 1px;
   min-height: 1px;
   background: none;
   border-width: 0 1px;
   border-image: linear-gradient(to bottom, rgba(207, 218, 231, 0) 25%, rgba(207, 218, 231, 0.15) 25%, rgba(207, 218, 231, 0.15) 75%, rgba(207, 218, 231, 0) 75%) 0 1/0 1px stretch; }
-  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop {
+  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop, .titlebar:not(headerbar) separator.titlebutton:backdrop {
     opacity: 0.6; }
 
-.primary-toolbar entry, headerbar entry {
+.primary-toolbar entry, headerbar entry, .titlebar:not(headerbar) entry {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.4);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.4));
   background-color: transparent; }
-  .primary-toolbar entry image, headerbar entry image, .primary-toolbar entry image:hover, headerbar entry image:hover {
+  .primary-toolbar entry image, headerbar entry image, .titlebar:not(headerbar) entry image, .primary-toolbar entry image:hover, headerbar entry image:hover, .titlebar:not(headerbar) entry image:hover {
     color: inherit; }
-  .primary-toolbar entry:backdrop, headerbar entry:backdrop {
+  .primary-toolbar entry:backdrop, headerbar entry:backdrop, .titlebar:not(headerbar) entry:backdrop {
     opacity: 0.85; }
-  .primary-toolbar entry:focus, headerbar entry:focus {
+  .primary-toolbar entry:focus, headerbar entry:focus, .titlebar:not(headerbar) entry:focus {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     background-clip: padding-box; }
-    .primary-toolbar entry:focus image, headerbar entry:focus image {
+    .primary-toolbar entry:focus image, headerbar entry:focus image, .titlebar:not(headerbar) entry:focus image {
       color: #ffffff; }
-  .primary-toolbar entry:disabled, headerbar entry:disabled {
+  .primary-toolbar entry:disabled, headerbar entry:disabled, .titlebar:not(headerbar) entry:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.25)); }
-  .primary-toolbar entry selection:focus, headerbar entry selection:focus {
+  .primary-toolbar entry selection:focus, headerbar entry selection:focus, .titlebar:not(headerbar) entry selection:focus {
     background-color: #ffffff;
     color: #5294E2; }
-  .primary-toolbar entry progress, headerbar entry progress {
+  .primary-toolbar entry progress, headerbar entry progress, .titlebar:not(headerbar) entry progress {
     border-color: #5294E2;
     background-image: none;
     background-color: transparent; }
-  .primary-toolbar entry.warning, headerbar entry.warning {
+  .primary-toolbar entry.warning, headerbar entry.warning, .titlebar:not(headerbar) entry.warning {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.4);
     background-image: linear-gradient(to bottom, #a45d39); }
-    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus {
+    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus, .titlebar:not(headerbar) entry.warning:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #F27835); }
-    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus {
+    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .titlebar:not(headerbar) entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus, .titlebar:not(headerbar) entry.warning selection:focus {
       background-color: #ffffff;
       color: #F27835; }
-  .primary-toolbar entry.error, headerbar entry.error {
+  .primary-toolbar entry.error, headerbar entry.error, .titlebar:not(headerbar) entry.error {
     color: #ffffff;
     border-color: rgba(21, 23, 28, 0.4);
     background-image: linear-gradient(to bottom, #aa3c3b); }
-    .primary-toolbar entry.error:focus, headerbar entry.error:focus {
+    .primary-toolbar entry.error:focus, headerbar entry.error:focus, .titlebar:not(headerbar) entry.error:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #FC4138); }
-    .primary-toolbar entry.error selection, headerbar entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus {
+    .primary-toolbar entry.error selection, headerbar entry.error selection, .titlebar:not(headerbar) entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus, .titlebar:not(headerbar) entry.error selection:focus {
       background-color: #ffffff;
       color: #FC4138; }
 
-.primary-toolbar button, headerbar button {
+.primary-toolbar button, headerbar button, .titlebar:not(headerbar) button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   outline-offset: -3px;
   background-color: rgba(47, 52, 63, 0);
   border-color: rgba(47, 52, 63, 0); }
-  .primary-toolbar button:backdrop, headerbar button:backdrop {
+  .primary-toolbar button:backdrop, headerbar button:backdrop, .titlebar:not(headerbar) button:backdrop {
     opacity: 0.7; }
-  .primary-toolbar button:hover, headerbar button:hover {
+  .primary-toolbar button:hover, headerbar button:hover, .titlebar:not(headerbar) button:hover {
     color: rgba(207, 218, 231, 0.8);
     outline-color: rgba(207, 218, 231, 0.1);
     border-color: rgba(21, 23, 28, 0.4);
     background-color: rgba(95, 105, 127, 0.4); }
-  .primary-toolbar button:active, headerbar button:active, .primary-toolbar button:checked, headerbar button:checked {
+  .primary-toolbar button:active, headerbar button:active, .titlebar:not(headerbar) button:active, .primary-toolbar button:checked, headerbar button:checked, .titlebar:not(headerbar) button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2;
     background-clip: padding-box; }
-  .primary-toolbar button:disabled, headerbar button:disabled {
+  .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button:disabled label, headerbar button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled {
+    .primary-toolbar button:disabled label, headerbar button:disabled label, .titlebar:not(headerbar) button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
       color: rgba(207, 218, 231, 0.35); }
-  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked {
+  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .titlebar:not(headerbar) button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked, .titlebar:not(headerbar) button:disabled:checked {
     color: rgba(255, 255, 255, 0.75);
     border-color: rgba(82, 148, 226, 0.65);
     background-color: rgba(82, 148, 226, 0.65); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:disabled {
   border-radius: 3px;
   border-style: solid; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
   box-shadow: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.4);
   background-color: rgba(95, 105, 127, 0.4); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover {
     background-color: rgba(134, 144, 165, 0.4); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: transparent;
     background-color: #5294E2; }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:disabled {
     color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button + button {
   border-left-style: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4), inset -1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
   border-left-color: rgba(21, 23, 28, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked + entry {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar button.suggested-action, headerbar button.suggested-action {
+.primary-toolbar button.suggested-action, headerbar button.suggested-action, .titlebar:not(headerbar) button.suggested-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #4DADD4;
   border-color: #4DADD4; }
-  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button {
+  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .titlebar:not(headerbar) button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button, .titlebar:not(headerbar) button.suggested-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #4DADD4;
     outline-color: rgba(77, 173, 212, 0.3); }
-  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover {
+  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover, .titlebar:not(headerbar) button.suggested-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #76c0de;
     border-color: #76c0de; }
-  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked {
+  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .titlebar:not(headerbar) button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked, .titlebar:not(headerbar) button.suggested-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #2e96c0;
     border-color: #2e96c0; }
-  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .titlebar:not(headerbar) button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .titlebar:not(headerbar) button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop {
+.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar button.destructive-action, headerbar button.destructive-action {
+.primary-toolbar button.destructive-action, headerbar button.destructive-action, .titlebar:not(headerbar) button.destructive-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #F04A50;
   border-color: #F04A50; }
-  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button {
+  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .titlebar:not(headerbar) button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button, .titlebar:not(headerbar) button.destructive-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #F04A50;
     outline-color: rgba(240, 74, 80, 0.3); }
-  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover {
+  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover, .titlebar:not(headerbar) button.destructive-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #f4797e;
     border-color: #f4797e; }
-  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked {
+  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .titlebar:not(headerbar) button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked, .titlebar:not(headerbar) button.destructive-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #ec1b22;
     border-color: #ec1b22; }
-  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
     background-color: rgba(47, 52, 63, 0);
     border-color: rgba(47, 52, 63, 0); }
-    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .titlebar:not(headerbar) button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .titlebar:not(headerbar) button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
       color: rgba(207, 218, 231, 0.35); }
 
-.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop {
+.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus {
+.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus, .titlebar:not(headerbar) spinbutton:not(.vertical):focus {
   color: #ffffff;
   caret-color: #ffffff; }
 
-.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .titlebar:not(headerbar) spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.8);
   outline-color: rgba(207, 218, 231, 0.1);
   border-color: rgba(21, 23, 28, 0.4);
   background-color: rgba(95, 105, 127, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover {
+.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover, .titlebar:not(headerbar) spinbutton:not(.vertical) button:hover {
   background-color: rgba(134, 144, 165, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked {
+.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .titlebar:not(headerbar) spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked, .titlebar:not(headerbar) spinbutton:not(.vertical) button:checked {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   border-color: transparent;
   background-color: #5294E2; }
 
-.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(207, 218, 231, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button {
+.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button + button {
   border-left-style: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button {
+.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover + button {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover {
+.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry + button:not(:active):hover {
   box-shadow: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button {
+.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry:focus + button {
   border-left-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar combobox:disabled, headerbar combobox:disabled {
+.primary-toolbar combobox:disabled, headerbar combobox:disabled, .titlebar:not(headerbar) combobox:disabled {
   color: rgba(207, 218, 231, 0.2); }
 
-.primary-toolbar combobox.linked button, headerbar combobox.linked button {
+.primary-toolbar combobox.linked button, headerbar combobox.linked button, .titlebar:not(headerbar) combobox.linked button {
   color: rgba(207, 218, 231, 0.8);
   border-color: rgba(21, 23, 28, 0.4);
   background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.4));
   background-color: transparent; }
-  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover {
+  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .titlebar:not(headerbar) combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover, .titlebar:not(headerbar) combobox.linked button image:hover {
     color: inherit; }
-  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover {
+  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover, .titlebar:not(headerbar) combobox.linked button:hover {
     color: #ffffff;
     border-color: transparent;
     background-image: linear-gradient(to bottom, #5294E2);
     box-shadow: none; }
-  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled {
+  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled, .titlebar:not(headerbar) combobox.linked button:disabled {
     color: rgba(207, 218, 231, 0.35);
     background-image: linear-gradient(to bottom, rgba(95, 105, 127, 0.25)); }
 
-.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr) {
+.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr), .titlebar:not(headerbar) combobox.linked entry:dir(ltr) {
   border-right-style: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl) {
+.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl), .titlebar:not(headerbar) combobox.linked entry:dir(rtl) {
   border-left-style: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: none; }
 
-.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled {
+.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):disabled {
   border-top-left-radius: 0;
   border-bottom-left-radius: 0; }
 
-.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled {
+.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):disabled {
   border-top-right-radius: 0;
   border-bottom-right-radius: 0; }
 
-.primary-toolbar switch:backdrop, headerbar switch:backdrop {
+.primary-toolbar switch:backdrop, headerbar switch:backdrop, .titlebar:not(headerbar) switch:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar progressbar trough, headerbar progressbar trough {
+.primary-toolbar progressbar trough, headerbar progressbar trough, .titlebar:not(headerbar) progressbar trough {
   background-color: rgba(21, 23, 28, 0.4); }
 
-.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop {
+.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop, .titlebar:not(headerbar) progressbar:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale:backdrop, headerbar scale:backdrop {
+.primary-toolbar scale:backdrop, headerbar scale:backdrop, .titlebar:not(headerbar) scale:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale slider, headerbar scale slider {
+.primary-toolbar scale slider, headerbar scale slider, .titlebar:not(headerbar) scale slider {
   background-image: linear-gradient(to bottom, #454c5c);
   border-color: rgba(21, 23, 28, 0.7); }
-  .primary-toolbar scale slider:hover, headerbar scale slider:hover {
+  .primary-toolbar scale slider:hover, headerbar scale slider:hover, .titlebar:not(headerbar) scale slider:hover {
     background-image: linear-gradient(to bottom, #50586b);
     border-color: rgba(21, 23, 28, 0.7); }
-  .primary-toolbar scale slider:active, headerbar scale slider:active {
+  .primary-toolbar scale slider:active, headerbar scale slider:active, .titlebar:not(headerbar) scale slider:active {
     background-image: linear-gradient(to bottom, #5294E2);
     border-color: #5294E2; }
-  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled {
+  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled, .titlebar:not(headerbar) scale slider:disabled {
     background-image: linear-gradient(to bottom, #3e4553);
     border-color: rgba(21, 23, 28, 0.7); }
 
-.primary-toolbar scale trough, headerbar scale trough {
+.primary-toolbar scale trough, headerbar scale trough, .titlebar:not(headerbar) scale trough {
   background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.4)); }
-  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled {
+  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled, .titlebar:not(headerbar) scale trough:disabled {
     background-image: linear-gradient(to bottom, rgba(21, 23, 28, 0.3)); }
 
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button {
@@ -2226,7 +2237,7 @@ levelbar block.empty {
 
 printdialog paper {
   border: 1px solid #dcdfe3;
-  background: white;
+  background: #ffffff;
   padding: 0; }
 
 printdialog .dialog-action-box {
@@ -2980,10 +2991,10 @@ modelbutton.flat:selected arrow, treeview.view:selected, treeview.view:selected:
     color: #ffffff; }
 
 .nautilus-canvas-item.dim-label, label.nautilus-canvas-item.separator,
-popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle,
+popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle,
 .nautilus-list-dim-label {
   color: #a9acb2; }
-  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus,
+  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected:focus,
   .nautilus-list-dim-label:selected,
   .nautilus-list-dim-label:selected:focus {
     color: #dceaf9; }
diff --git a/common/gtk-3.0/3.20/gtk-solid.css b/common/gtk-3.0/3.20/gtk-solid.css
index 94b9461..b5ac6cf 100644
--- a/common/gtk-3.0/3.20/gtk-solid.css
+++ b/common/gtk-3.0/3.20/gtk-solid.css
@@ -77,7 +77,7 @@ label:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
 .dim-label, label.separator, popover label.separator,
-popover.background label.separator, headerbar .subtitle {
+popover.background label.separator, headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
   opacity: 0.55; }
 
 assistant .sidebar {
@@ -635,20 +635,20 @@ toolbar.inline-toolbar toolbutton > button.flat, .inline-toolbar toolbutton > bu
 .linked:not(.vertical) > entry:focus, .inline-toolbar button, .inline-toolbar button:backdrop, .linked:not(.vertical) > button,
 .linked:not(.vertical) > button:hover,
 .linked:not(.vertical) > button:active,
-.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
+.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child {
+.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:first-child {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
 
-.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child {
+.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
 
-.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child {
+.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:only-child {
   border-radius: 3px;
   border-style: solid; }
 
@@ -735,7 +735,7 @@ modelbutton.flat arrow.right {
   .warning button:visited,
   .error *:link,
   .error button:link,
-  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link,
+  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link,
   *:selected *:link,
   *:selected button:link,
   *:selected button:visited {
@@ -880,464 +880,475 @@ actionbar {
   border-top: 1px solid #dcdfe3;
   background-color: #edeef0; }
 
-headerbar {
+headerbar,
+.titlebar:not(headerbar) {
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: #d4d5db;
   color: rgba(82, 93, 118, 0.8);
-  background-color: #e7e8eb; }
-  .csd headerbar {
-    border-radius: 4px 4px 0 0;
+  background-color: #e7e8eb;
+  box-shadow: inset 0 1px #eff0f2; }
+  .csd headerbar,
+  .csd .titlebar:not(headerbar) {
     background-color: #e7e8eb;
     border-color: #d4d5db; }
-  headerbar:backdrop {
-    color: rgba(82, 93, 118, 0.5); }
-    .csd headerbar:backdrop {
+  headerbar:backdrop,
+  .titlebar:backdrop:not(headerbar) {
+    color: rgba(82, 93, 118, 0.5);
+    background-color: #eff0f2; }
+    .csd headerbar:backdrop,
+    .csd .titlebar:backdrop:not(headerbar) {
       background-color: #eff0f2; }
-  headerbar .title {
+  headerbar .title, .titlebar:not(headerbar) .title {
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar .subtitle {
+  headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar.selection-mode, headerbar.titlebar.selection-mode {
+  headerbar.selection-mode, headerbar.titlebar.selection-mode,
+  .selection-mode.titlebar:not(headerbar),
+  .titlebar.selection-mode:not(headerbar) {
     color: #ffffff;
     background-color: #5294E2;
     border-color: #4189df;
     box-shadow: none; }
-    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop {
+    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop,
+    .selection-mode.titlebar:backdrop:not(headerbar),
+    .titlebar.selection-mode:backdrop:not(headerbar) {
       background-color: #5294E2;
       color: rgba(255, 255, 255, 0.6); }
-    headerbar.selection-mode button, headerbar.titlebar.selection-mode button {
+    headerbar.selection-mode button, headerbar.titlebar.selection-mode button, .selection-mode.titlebar:not(headerbar) button, .titlebar.selection-mode:not(headerbar) button {
       color: #ffffff;
       outline-color: rgba(255, 255, 255, 0.3);
       background-color: rgba(255, 255, 255, 0);
       border-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button {
+      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.sidebar-button, .titlebar.selection-mode:not(headerbar) button.flat, .titlebar.selection-mode:not(headerbar) button.sidebar-button {
         border-color: transparent;
         background-color: transparent;
         background-image: none;
         color: #ffffff;
         background-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover {
+      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .titlebar.selection-mode:not(headerbar) button:hover {
         color: #ffffff;
         outline-color: rgba(255, 255, 255, 0.3);
         background-color: rgba(255, 255, 255, 0.05);
         border-color: rgba(255, 255, 255, 0.5); }
-      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked {
+      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .titlebar.selection-mode:not(headerbar) button:active, .titlebar.selection-mode:not(headerbar) button:checked {
         color: #5294E2;
         outline-color: rgba(82, 148, 226, 0.3);
         background-color: #ffffff;
         border-color: #ffffff; }
-      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled {
+      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled, .selection-mode.titlebar:not(headerbar) button:disabled, .titlebar.selection-mode:not(headerbar) button:disabled {
         color: rgba(255, 255, 255, 0.4);
         background-color: rgba(255, 255, 255, 0);
         border-color: rgba(255, 255, 255, 0); }
-        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked {
+        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked, .selection-mode.titlebar:not(headerbar) button:disabled:active, .selection-mode.titlebar:not(headerbar) button:disabled:checked, .titlebar.selection-mode:not(headerbar) button:disabled:active, .titlebar.selection-mode:not(headerbar) button:disabled:checked {
           color: rgba(82, 148, 226, 0.4);
           background-color: rgba(255, 255, 255, 0.15);
           border-color: rgba(255, 255, 255, 0.15); }
-    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu {
+    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu, .selection-mode.titlebar:not(headerbar) .selection-menu, .titlebar.selection-mode:not(headerbar) .selection-menu {
       box-shadow: none;
       padding-left: 10px;
       padding-right: 10px; }
-      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow {
+      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow, .selection-mode.titlebar:not(headerbar) .selection-menu GtkArrow, .titlebar.selection-mode:not(headerbar) .selection-menu GtkArrow {
         -GtkArrow-arrow-scaling: 1; }
-      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow {
+      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow, .selection-mode.titlebar:not(headerbar) .selection-menu .arrow, .titlebar.selection-mode:not(headerbar) .selection-menu .arrow {
         -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
-    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode {
+    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode,
+    .maximized .selection-mode.titlebar:not(headerbar),
+    .maximized .titlebar.selection-mode:not(headerbar) {
       background-color: #5294e2; }
   .tiled headerbar, .tiled headerbar:backdrop,
-  .maximized headerbar, .maximized headerbar:backdrop {
+  .maximized headerbar, .maximized headerbar:backdrop,
+  .tiled .titlebar:not(headerbar),
+  .tiled .titlebar:backdrop:not(headerbar),
+  .maximized .titlebar:not(headerbar),
+  .maximized .titlebar:backdrop:not(headerbar) {
     border-radius: 0; }
-  .maximized headerbar {
+  .maximized headerbar,
+  .maximized .titlebar:not(headerbar) {
     background-color: #e7e8eb;
     border-color: #d4d5db; }
+    .maximized headerbar:backdrop,
+    .maximized .titlebar:backdrop:not(headerbar) {
+      background-color: #eff0f2; }
   headerbar.default-decoration,
   .csd headerbar.default-decoration, headerbar.default-decoration:backdrop,
-  .csd headerbar.default-decoration:backdrop {
+  .csd headerbar.default-decoration:backdrop,
+  .default-decoration.titlebar:not(headerbar),
+  .csd .default-decoration.titlebar:not(headerbar),
+  .default-decoration.titlebar:backdrop:not(headerbar),
+  .csd .default-decoration.titlebar:backdrop:not(headerbar) {
     min-height: 28px;
     padding: 0 3px;
     background-color: #e7e8eb;
     border-bottom-width: 0; }
     .maximized headerbar.default-decoration, .maximized
     .csd headerbar.default-decoration, .maximized headerbar.default-decoration:backdrop, .maximized
-    .csd headerbar.default-decoration:backdrop {
+    .csd headerbar.default-decoration:backdrop,
+    .maximized .default-decoration.titlebar:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:not(headerbar),
+    .maximized .default-decoration.titlebar:backdrop:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:backdrop:not(headerbar) {
       background-color: #e7e8eb; }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: 4px 4px 0 0;
-  color: rgba(82, 93, 118, 0.8);
-  background-color: #e7e8eb;
-  box-shadow: inset 0 1px #eff0f2; }
-  .csd .titlebar {
-    background-color: #e7e8eb; }
-  .titlebar:backdrop {
-    color: rgba(82, 93, 118, 0.5);
-    background-color: #eff0f2; }
-    .csd .titlebar:backdrop {
-      background-color: #eff0f2; }
-  .maximized .titlebar {
-    background-color: #e7e8eb; }
-    .maximized .titlebar:backdrop, .csd .maximized .titlebar:backdrop {
-      background-color: #eff0f2; }
-  window > .titlebar:not(headerbar),
-  window.csd > .titlebar:not(headerbar), window > .titlebar:backdrop:not(headerbar),
-  window.csd > .titlebar:backdrop:not(headerbar) {
-    padding: 0;
-    border: none;
-    background: none; }
-  .titlebar separator {
-    background-color: #d4d5db; }
+  border-radius: 4px 4px 0 0; }
 
-paned.titlebar separator {
-  background-color: transparent; }
+separator:first-child + headerbar, separator:first-child + headerbar:backdrop, headerbar:first-child, headerbar:first-child:backdrop {
+  border-top-left-radius: 4px; }
 
-paned.titlebar > headerbar:not(:only-child):not(:first-child):not(:last-child) {
-  border-radius: 0; }
+headerbar:last-child, headerbar:last-child:backdrop {
+  border-top-right-radius: 4px; }
 
-paned.titlebar > headerbar ~ headerbar {
-  border-top-left-radius: 0; }
+window.csd > .titlebar:not(headerbar),
+window.csd > .titlebar:not(headerbar):backdrop {
+  padding: 0;
+  background-color: transparent;
+  background-image: none;
+  border-style: none;
+  border-color: transparent;
+  box-shadow: none; }
 
-paned.titlebar > headerbar:first-child {
-  border-top-right-radius: 0; }
+.titlebar:not(headerbar) > separator {
+  background: #d4d5db; }
 
-headerbar entry, headerbar button, headerbar separator {
+headerbar entry, headerbar button, headerbar separator, .titlebar:not(headerbar) entry, .titlebar:not(headerbar) button, .titlebar:not(headerbar) separator {
   margin-top: 6px;
   margin-bottom: 6px; }
 
-.primary-toolbar separator, headerbar separator.titlebutton {
+.primary-toolbar separator, headerbar separator.titlebutton, .titlebar:not(headerbar) separator.titlebutton {
   min-width: 1px;
   min-height: 1px;
   background: none;
   border-width: 0 1px;
   border-image: linear-gradient(to bottom, rgba(82, 93, 118, 0) 25%, rgba(82, 93, 118, 0.15) 25%, rgba(82, 93, 118, 0.15) 75%, rgba(82, 93, 118, 0) 75%) 0 1/0 1px stretch; }
-  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop {
+  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop, .titlebar:not(headerbar) separator.titlebutton:backdrop {
     opacity: 0.6; }
 
-.primary-toolbar entry, headerbar entry {
+.primary-toolbar entry, headerbar entry, .titlebar:not(headerbar) entry {
   color: rgba(82, 93, 118, 0.8);
   border-color: rgba(82, 93, 118, 0.1);
   background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.9));
   background-color: transparent; }
-  .primary-toolbar entry image, headerbar entry image, .primary-toolbar entry image:hover, headerbar entry image:hover {
+  .primary-toolbar entry image, headerbar entry image, .titlebar:not(headerbar) entry image, .primary-toolbar entry image:hover, headerbar entry image:hover, .titlebar:not(headerbar) entry image:hover {
     color: inherit; }
-  .primary-toolbar entry:backdrop, headerbar entry:backdrop {
+  .primary-toolbar entry:backdrop, headerbar entry:backdrop, .titlebar:not(headerbar) entry:backdrop {
     opacity: 0.85; }
-  .primary-toolbar entry:focus, headerbar entry:focus {
+  .primary-toolbar entry:focus, headerbar entry:focus, .titlebar:not(headerbar) entry:focus {
     color: #ffffff;
     border-color: #5294E2;
     background-image: linear-gradient(to bottom, #5294E2);
     background-clip: border-box; }
-    .primary-toolbar entry:focus image, headerbar entry:focus image {
+    .primary-toolbar entry:focus image, headerbar entry:focus image, .titlebar:not(headerbar) entry:focus image {
       color: #ffffff; }
-  .primary-toolbar entry:disabled, headerbar entry:disabled {
+  .primary-toolbar entry:disabled, headerbar entry:disabled, .titlebar:not(headerbar) entry:disabled {
     color: rgba(82, 93, 118, 0.35);
     background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.75)); }
-  .primary-toolbar entry selection:focus, headerbar entry selection:focus {
+  .primary-toolbar entry selection:focus, headerbar entry selection:focus, .titlebar:not(headerbar) entry selection:focus {
     background-color: #ffffff;
     color: #5294E2; }
-  .primary-toolbar entry progress, headerbar entry progress {
+  .primary-toolbar entry progress, headerbar entry progress, .titlebar:not(headerbar) entry progress {
     border-color: #5294E2;
     background-image: none;
     background-color: transparent; }
-  .primary-toolbar entry.warning, headerbar entry.warning {
+  .primary-toolbar entry.warning, headerbar entry.warning, .titlebar:not(headerbar) entry.warning {
     color: #ffffff;
     border-color: #F27835;
     background-image: linear-gradient(to bottom, #eea57e); }
-    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus {
+    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus, .titlebar:not(headerbar) entry.warning:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #F27835); }
-    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus {
+    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .titlebar:not(headerbar) entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus, .titlebar:not(headerbar) entry.warning selection:focus {
       background-color: #ffffff;
       color: #F27835; }
-  .primary-toolbar entry.error, headerbar entry.error {
+  .primary-toolbar entry.error, headerbar entry.error, .titlebar:not(headerbar) entry.error {
     color: #ffffff;
     border-color: #FC4138;
     background-image: linear-gradient(to bottom, #f48480); }
-    .primary-toolbar entry.error:focus, headerbar entry.error:focus {
+    .primary-toolbar entry.error:focus, headerbar entry.error:focus, .titlebar:not(headerbar) entry.error:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #FC4138); }
-    .primary-toolbar entry.error selection, headerbar entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus {
+    .primary-toolbar entry.error selection, headerbar entry.error selection, .titlebar:not(headerbar) entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus, .titlebar:not(headerbar) entry.error selection:focus {
       background-color: #ffffff;
       color: #FC4138; }
 
-.primary-toolbar button, headerbar button {
+.primary-toolbar button, headerbar button, .titlebar:not(headerbar) button {
   color: rgba(82, 93, 118, 0.8);
   outline-color: rgba(82, 93, 118, 0.1);
   outline-offset: -3px;
   background-color: rgba(231, 232, 235, 0);
   border-color: rgba(231, 232, 235, 0); }
-  .primary-toolbar button:backdrop, headerbar button:backdrop {
+  .primary-toolbar button:backdrop, headerbar button:backdrop, .titlebar:not(headerbar) button:backdrop {
     opacity: 0.7; }
-  .primary-toolbar button:hover, headerbar button:hover {
+  .primary-toolbar button:hover, headerbar button:hover, .titlebar:not(headerbar) button:hover {
     color: rgba(82, 93, 118, 0.8);
     outline-color: rgba(82, 93, 118, 0.1);
     border-color: rgba(82, 93, 118, 0.1);
     background-color: rgba(251, 251, 252, 0.9); }
-  .primary-toolbar button:active, headerbar button:active, .primary-toolbar button:checked, headerbar button:checked {
+  .primary-toolbar button:active, headerbar button:active, .titlebar:not(headerbar) button:active, .primary-toolbar button:checked, headerbar button:checked, .titlebar:not(headerbar) button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: #5294E2;
     background-color: #5294E2;
     background-clip: border-box; }
-  .primary-toolbar button:disabled, headerbar button:disabled {
+  .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
     background-color: rgba(231, 232, 235, 0);
     border-color: rgba(231, 232, 235, 0); }
-    .primary-toolbar button:disabled label, headerbar button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled {
+    .primary-toolbar button:disabled label, headerbar button:disabled label, .titlebar:not(headerbar) button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
       color: rgba(82, 93, 118, 0.35); }
-  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked {
+  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .titlebar:not(headerbar) button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked, .titlebar:not(headerbar) button:disabled:checked {
     color: rgba(255, 255, 255, 0.75);
     border-color: rgba(82, 148, 226, 0.65);
     background-color: rgba(82, 148, 226, 0.65); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:disabled {
   border-radius: 3px;
   border-style: solid; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
   box-shadow: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button {
   color: rgba(82, 93, 118, 0.8);
   outline-color: rgba(82, 93, 118, 0.1);
   border-color: rgba(82, 93, 118, 0.1);
   background-color: rgba(251, 251, 252, 0.9); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover {
     background-color: rgba(255, 255, 255, 0.9); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: #5294E2;
     background-color: #5294E2; }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:disabled {
     color: rgba(82, 93, 118, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button + button {
   border-left-style: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1), inset -1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
   box-shadow: inset -1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(82, 93, 118, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
   border-left-color: #F27835; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
   border-left-color: #5294E2; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: #5294E2; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
   border-left-color: #F08437; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
   border-left-color: #F08437; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
   border-left-color: #F27835; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: #F27835; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked + entry {
   border-left-color: #5294E2; }
 
-.primary-toolbar button.suggested-action, headerbar button.suggested-action {
+.primary-toolbar button.suggested-action, headerbar button.suggested-action, .titlebar:not(headerbar) button.suggested-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #4DADD4;
   border-color: #4DADD4; }
-  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button {
+  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .titlebar:not(headerbar) button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button, .titlebar:not(headerbar) button.suggested-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #4DADD4;
     outline-color: rgba(77, 173, 212, 0.3); }
-  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover {
+  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover, .titlebar:not(headerbar) button.suggested-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #76c0de;
     border-color: #76c0de; }
-  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked {
+  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .titlebar:not(headerbar) button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked, .titlebar:not(headerbar) button.suggested-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #2e96c0;
     border-color: #2e96c0; }
-  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
     background-color: rgba(231, 232, 235, 0);
     border-color: rgba(231, 232, 235, 0); }
-    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .titlebar:not(headerbar) button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .titlebar:not(headerbar) button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
       color: rgba(82, 93, 118, 0.35); }
 
-.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop {
+.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar button.destructive-action, headerbar button.destructive-action {
+.primary-toolbar button.destructive-action, headerbar button.destructive-action, .titlebar:not(headerbar) button.destructive-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #F04A50;
   border-color: #F04A50; }
-  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button {
+  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .titlebar:not(headerbar) button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button, .titlebar:not(headerbar) button.destructive-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #F04A50;
     outline-color: rgba(240, 74, 80, 0.3); }
-  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover {
+  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover, .titlebar:not(headerbar) button.destructive-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #f4797e;
     border-color: #f4797e; }
-  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked {
+  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .titlebar:not(headerbar) button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked, .titlebar:not(headerbar) button.destructive-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #ec1b22;
     border-color: #ec1b22; }
-  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
     background-color: rgba(231, 232, 235, 0);
     border-color: rgba(231, 232, 235, 0); }
-    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .titlebar:not(headerbar) button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .titlebar:not(headerbar) button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
       color: rgba(82, 93, 118, 0.35); }
 
-.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop {
+.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus {
+.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus, .titlebar:not(headerbar) spinbutton:not(.vertical):focus {
   color: #ffffff;
   caret-color: #ffffff; }
 
-.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .titlebar:not(headerbar) spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(82, 93, 118, 0.8);
   outline-color: rgba(82, 93, 118, 0.1);
   border-color: rgba(82, 93, 118, 0.1);
   background-color: rgba(251, 251, 252, 0.9); }
 
-.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover {
+.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover, .titlebar:not(headerbar) spinbutton:not(.vertical) button:hover {
   background-color: rgba(255, 255, 255, 0.9); }
 
-.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked {
+.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .titlebar:not(headerbar) spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked, .titlebar:not(headerbar) spinbutton:not(.vertical) button:checked {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   border-color: #5294E2;
   background-color: #5294E2; }
 
-.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(82, 93, 118, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button {
+.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button + button {
   border-left-style: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button {
+.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover + button {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover {
+.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry + button:not(:active):hover {
   box-shadow: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button {
+.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry:focus + button {
   border-left-color: #5294E2; }
 
-.primary-toolbar combobox:disabled, headerbar combobox:disabled {
+.primary-toolbar combobox:disabled, headerbar combobox:disabled, .titlebar:not(headerbar) combobox:disabled {
   color: rgba(82, 93, 118, 0.2); }
 
-.primary-toolbar combobox.linked button, headerbar combobox.linked button {
+.primary-toolbar combobox.linked button, headerbar combobox.linked button, .titlebar:not(headerbar) combobox.linked button {
   color: rgba(82, 93, 118, 0.8);
   border-color: rgba(82, 93, 118, 0.1);
   background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.9));
   background-color: transparent; }
-  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover {
+  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .titlebar:not(headerbar) combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover, .titlebar:not(headerbar) combobox.linked button image:hover {
     color: inherit; }
-  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover {
+  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover, .titlebar:not(headerbar) combobox.linked button:hover {
     color: #ffffff;
     border-color: #5294E2;
     background-image: linear-gradient(to bottom, #5294E2);
     box-shadow: none; }
-  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled {
+  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled, .titlebar:not(headerbar) combobox.linked button:disabled {
     color: rgba(82, 93, 118, 0.35);
     background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.75)); }
 
-.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr) {
+.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr), .titlebar:not(headerbar) combobox.linked entry:dir(ltr) {
   border-right-style: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: 1px 0 #5294E2; }
 
-.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl) {
+.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl), .titlebar:not(headerbar) combobox.linked entry:dir(rtl) {
   border-left-style: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: -1px 0 #5294E2; }
 
-.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled {
+.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):disabled {
   border-top-left-radius: 0;
   border-bottom-left-radius: 0; }
 
-.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled {
+.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):disabled {
   border-top-right-radius: 0;
   border-bottom-right-radius: 0; }
 
-.primary-toolbar switch:backdrop, headerbar switch:backdrop {
+.primary-toolbar switch:backdrop, headerbar switch:backdrop, .titlebar:not(headerbar) switch:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar progressbar trough, headerbar progressbar trough {
+.primary-toolbar progressbar trough, headerbar progressbar trough, .titlebar:not(headerbar) progressbar trough {
   background-color: rgba(82, 93, 118, 0.15); }
 
-.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop {
+.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop, .titlebar:not(headerbar) progressbar:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale:backdrop, headerbar scale:backdrop {
+.primary-toolbar scale:backdrop, headerbar scale:backdrop, .titlebar:not(headerbar) scale:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale slider, headerbar scale slider {
+.primary-toolbar scale slider, headerbar scale slider, .titlebar:not(headerbar) scale slider {
   background-image: linear-gradient(to bottom, #fbfbfc);
   border-color: rgba(82, 93, 118, 0.3); }
-  .primary-toolbar scale slider:hover, headerbar scale slider:hover {
+  .primary-toolbar scale slider:hover, headerbar scale slider:hover, .titlebar:not(headerbar) scale slider:hover {
     background-image: linear-gradient(to bottom, white);
     border-color: rgba(82, 93, 118, 0.3); }
-  .primary-toolbar scale slider:active, headerbar scale slider:active {
+  .primary-toolbar scale slider:active, headerbar scale slider:active, .titlebar:not(headerbar) scale slider:active {
     background-image: linear-gradient(to bottom, #5294E2);
     border-color: #5294E2; }
-  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled {
+  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled, .titlebar:not(headerbar) scale slider:disabled {
     background-image: linear-gradient(to bottom, #f5f5f7);
     border-color: rgba(82, 93, 118, 0.3); }
 
-.primary-toolbar scale trough, headerbar scale trough {
+.primary-toolbar scale trough, headerbar scale trough, .titlebar:not(headerbar) scale trough {
   background-image: linear-gradient(to bottom, rgba(82, 93, 118, 0.15)); }
-  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled {
+  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled, .titlebar:not(headerbar) scale trough:disabled {
     background-image: linear-gradient(to bottom, rgba(82, 93, 118, 0.1)); }
 
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button {
@@ -2230,7 +2241,7 @@ levelbar block.empty {
 
 printdialog paper {
   border: 1px solid #dcdfe3;
-  background: white;
+  background: #ffffff;
   padding: 0; }
 
 printdialog .dialog-action-box {
@@ -2984,10 +2995,10 @@ modelbutton.flat:selected arrow, treeview.view:selected, treeview.view:selected:
     color: #ffffff; }
 
 .nautilus-canvas-item.dim-label, label.nautilus-canvas-item.separator,
-popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle,
+popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle,
 .nautilus-list-dim-label {
   color: #a9acb2; }
-  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus,
+  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected:focus,
   .nautilus-list-dim-label:selected,
   .nautilus-list-dim-label:selected:focus {
     color: #dceaf9; }
diff --git a/common/gtk-3.0/3.20/gtk.css b/common/gtk-3.0/3.20/gtk.css
index 0628542..1036319 100644
--- a/common/gtk-3.0/3.20/gtk.css
+++ b/common/gtk-3.0/3.20/gtk.css
@@ -77,7 +77,7 @@ label:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
 .dim-label, label.separator, popover label.separator,
-popover.background label.separator, headerbar .subtitle {
+popover.background label.separator, headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
   opacity: 0.55; }
 
 assistant .sidebar {
@@ -635,20 +635,20 @@ toolbar.inline-toolbar toolbutton > button.flat, .inline-toolbar toolbutton > bu
 .linked:not(.vertical) > entry:focus, .inline-toolbar button, .inline-toolbar button:backdrop, .linked:not(.vertical) > button,
 .linked:not(.vertical) > button:hover,
 .linked:not(.vertical) > button:active,
-.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
+.linked:not(.vertical) > button:checked, spinbutton:not(.vertical) button, spinbutton:not(.vertical) entry, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .linked:not(.vertical) > combobox > box > button.combo:dir(ltr) {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child {
+.linked:not(.vertical) > entry:first-child, .inline-toolbar button:first-child, .linked:not(.vertical) > button:first-child, toolbar.inline-toolbar toolbutton:first-child > button.flat, .inline-toolbar toolbutton:first-child > button.flat, toolbar.inline-toolbar toolbutton:first-child > button.sidebar-button, .inline-toolbar toolbutton:first-child > button.sidebar-button, spinbutton:not(.vertical) button:first-child, spinbutton:not(.vertical) entry:first-child, combobox.linked button:nth-child(2):dir(rtl), .linked:not(.vertical) > combobox:first-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:first-child, .primary-toolbar .linked:not(.vertical).path-bar > button:first-child, headerbar .linked:not(.vertical).path-bar > button:first-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:first-child {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
 
-.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child {
+.linked:not(.vertical) > entry:last-child, .inline-toolbar button:last-child, .linked:not(.vertical) > button:last-child, toolbar.inline-toolbar toolbutton:last-child > button.flat, .inline-toolbar toolbutton:last-child > button.flat, toolbar.inline-toolbar toolbutton:last-child > button.sidebar-button, .inline-toolbar toolbutton:last-child > button.sidebar-button, spinbutton:not(.vertical) button:last-child, spinbutton:not(.vertical) entry:last-child, combobox.linked button:nth-child(2):dir(ltr), .linked:not(.vertical) > combobox:last-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:last-child, .primary-toolbar .linked:not(.vertical).path-bar > button:last-child, headerbar .linked:not(.vertical).path-bar > button:last-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
 
-.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child {
+.linked:not(.vertical) > entry:only-child, .inline-toolbar button:only-child, .linked:not(.vertical) > button:only-child, toolbar.inline-toolbar toolbutton:only-child > button.flat, .inline-toolbar toolbutton:only-child > button.flat, toolbar.inline-toolbar toolbutton:only-child > button.sidebar-button, .inline-toolbar toolbutton:only-child > button.sidebar-button, spinbutton:not(.vertical) button:only-child, spinbutton:not(.vertical) entry:only-child, .linked:not(.vertical) > combobox:only-child > box > button.combo, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:only-child, .primary-toolbar .linked:not(.vertical).path-bar > button:only-child, headerbar .linked:not(.vertical).path-bar > button:only-child, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:only-child {
   border-radius: 3px;
   border-style: solid; }
 
@@ -735,7 +735,7 @@ modelbutton.flat arrow.right {
   .warning button:visited,
   .error *:link,
   .error button:link,
-  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link,
+  .error button:visited, *:link:selected, button:selected:link, button:selected:visited, headerbar.selection-mode .subtitle:link, headerbar.titlebar.selection-mode .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link,
   *:selected *:link,
   *:selected button:link,
   *:selected button:visited {
@@ -880,464 +880,475 @@ actionbar {
   border-top: 1px solid #dcdfe3;
   background-color: #edeef0; }
 
-headerbar {
+headerbar,
+.titlebar:not(headerbar) {
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: #d4d5db;
   color: rgba(82, 93, 118, 0.8);
-  background-color: #e7e8eb; }
-  .csd headerbar {
-    border-radius: 4px 4px 0 0;
+  background-color: #e7e8eb;
+  box-shadow: inset 0 1px rgba(239, 240, 242, 0.95); }
+  .csd headerbar,
+  .csd .titlebar:not(headerbar) {
     background-color: rgba(231, 232, 235, 0.95);
     border-color: rgba(212, 213, 219, 0.95); }
-  headerbar:backdrop {
-    color: rgba(82, 93, 118, 0.5); }
-    .csd headerbar:backdrop {
+  headerbar:backdrop,
+  .titlebar:backdrop:not(headerbar) {
+    color: rgba(82, 93, 118, 0.5);
+    background-color: #eff0f2; }
+    .csd headerbar:backdrop,
+    .csd .titlebar:backdrop:not(headerbar) {
       background-color: rgba(239, 240, 242, 0.95); }
-  headerbar .title {
+  headerbar .title, .titlebar:not(headerbar) .title {
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar .subtitle {
+  headerbar .subtitle, .titlebar:not(headerbar) .subtitle {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  headerbar.selection-mode, headerbar.titlebar.selection-mode {
+  headerbar.selection-mode, headerbar.titlebar.selection-mode,
+  .selection-mode.titlebar:not(headerbar),
+  .titlebar.selection-mode:not(headerbar) {
     color: #ffffff;
     background-color: rgba(82, 148, 226, 0.95);
     border-color: rgba(65, 137, 223, 0.95);
     box-shadow: none; }
-    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop {
+    headerbar.selection-mode:backdrop, headerbar.titlebar.selection-mode:backdrop,
+    .selection-mode.titlebar:backdrop:not(headerbar),
+    .titlebar.selection-mode:backdrop:not(headerbar) {
       background-color: rgba(82, 148, 226, 0.95);
       color: rgba(255, 255, 255, 0.6); }
-    headerbar.selection-mode button, headerbar.titlebar.selection-mode button {
+    headerbar.selection-mode button, headerbar.titlebar.selection-mode button, .selection-mode.titlebar:not(headerbar) button, .titlebar.selection-mode:not(headerbar) button {
       color: #ffffff;
       outline-color: rgba(255, 255, 255, 0.3);
       background-color: rgba(255, 255, 255, 0);
       border-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button {
+      headerbar.selection-mode button.flat, headerbar.selection-mode button.sidebar-button, headerbar.titlebar.selection-mode button.flat, headerbar.titlebar.selection-mode button.sidebar-button, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.sidebar-button, .titlebar.selection-mode:not(headerbar) button.flat, .titlebar.selection-mode:not(headerbar) button.sidebar-button {
         border-color: transparent;
         background-color: transparent;
         background-image: none;
         color: #ffffff;
         background-color: rgba(255, 255, 255, 0); }
-      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover {
+      headerbar.selection-mode button:hover, headerbar.titlebar.selection-mode button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .titlebar.selection-mode:not(headerbar) button:hover {
         color: #ffffff;
         outline-color: rgba(255, 255, 255, 0.3);
         background-color: rgba(255, 255, 255, 0.05);
         border-color: rgba(255, 255, 255, 0.5); }
-      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked {
+      headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.titlebar.selection-mode button:active, headerbar.titlebar.selection-mode button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .titlebar.selection-mode:not(headerbar) button:active, .titlebar.selection-mode:not(headerbar) button:checked {
         color: rgba(82, 148, 226, 0.95);
         outline-color: rgba(82, 148, 226, 0.25);
         background-color: #ffffff;
         border-color: #ffffff; }
-      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled {
+      headerbar.selection-mode button:disabled, headerbar.titlebar.selection-mode button:disabled, .selection-mode.titlebar:not(headerbar) button:disabled, .titlebar.selection-mode:not(headerbar) button:disabled {
         color: rgba(255, 255, 255, 0.4);
         background-color: rgba(255, 255, 255, 0);
         border-color: rgba(255, 255, 255, 0); }
-        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked {
+        headerbar.selection-mode button:disabled:active, headerbar.selection-mode button:disabled:checked, headerbar.titlebar.selection-mode button:disabled:active, headerbar.titlebar.selection-mode button:disabled:checked, .selection-mode.titlebar:not(headerbar) button:disabled:active, .selection-mode.titlebar:not(headerbar) button:disabled:checked, .titlebar.selection-mode:not(headerbar) button:disabled:active, .titlebar.selection-mode:not(headerbar) button:disabled:checked {
           color: rgba(82, 148, 226, 0.35);
           background-color: rgba(255, 255, 255, 0.15);
           border-color: rgba(255, 255, 255, 0.15); }
-    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu {
+    headerbar.selection-mode .selection-menu, headerbar.titlebar.selection-mode .selection-menu, .selection-mode.titlebar:not(headerbar) .selection-menu, .titlebar.selection-mode:not(headerbar) .selection-menu {
       box-shadow: none;
       padding-left: 10px;
       padding-right: 10px; }
-      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow {
+      headerbar.selection-mode .selection-menu GtkArrow, headerbar.titlebar.selection-mode .selection-menu GtkArrow, .selection-mode.titlebar:not(headerbar) .selection-menu GtkArrow, .titlebar.selection-mode:not(headerbar) .selection-menu GtkArrow {
         -GtkArrow-arrow-scaling: 1; }
-      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow {
+      headerbar.selection-mode .selection-menu .arrow, headerbar.titlebar.selection-mode .selection-menu .arrow, .selection-mode.titlebar:not(headerbar) .selection-menu .arrow, .titlebar.selection-mode:not(headerbar) .selection-menu .arrow {
         -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
-    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode {
+    .maximized headerbar.selection-mode, .maximized headerbar.titlebar.selection-mode,
+    .maximized .selection-mode.titlebar:not(headerbar),
+    .maximized .titlebar.selection-mode:not(headerbar) {
       background-color: #5294e2; }
   .tiled headerbar, .tiled headerbar:backdrop,
-  .maximized headerbar, .maximized headerbar:backdrop {
+  .maximized headerbar, .maximized headerbar:backdrop,
+  .tiled .titlebar:not(headerbar),
+  .tiled .titlebar:backdrop:not(headerbar),
+  .maximized .titlebar:not(headerbar),
+  .maximized .titlebar:backdrop:not(headerbar) {
     border-radius: 0; }
-  .maximized headerbar {
+  .maximized headerbar,
+  .maximized .titlebar:not(headerbar) {
     background-color: #e7e8eb;
     border-color: #d4d5db; }
+    .maximized headerbar:backdrop,
+    .maximized .titlebar:backdrop:not(headerbar) {
+      background-color: #eff0f2; }
   headerbar.default-decoration,
   .csd headerbar.default-decoration, headerbar.default-decoration:backdrop,
-  .csd headerbar.default-decoration:backdrop {
+  .csd headerbar.default-decoration:backdrop,
+  .default-decoration.titlebar:not(headerbar),
+  .csd .default-decoration.titlebar:not(headerbar),
+  .default-decoration.titlebar:backdrop:not(headerbar),
+  .csd .default-decoration.titlebar:backdrop:not(headerbar) {
     min-height: 28px;
     padding: 0 3px;
     background-color: #e7e8eb;
     border-bottom-width: 0; }
     .maximized headerbar.default-decoration, .maximized
     .csd headerbar.default-decoration, .maximized headerbar.default-decoration:backdrop, .maximized
-    .csd headerbar.default-decoration:backdrop {
+    .csd headerbar.default-decoration:backdrop,
+    .maximized .default-decoration.titlebar:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:not(headerbar),
+    .maximized .default-decoration.titlebar:backdrop:not(headerbar),
+    .maximized
+    .csd .default-decoration.titlebar:backdrop:not(headerbar) {
       background-color: #e7e8eb; }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: 4px 4px 0 0;
-  color: rgba(82, 93, 118, 0.8);
-  background-color: #e7e8eb;
-  box-shadow: inset 0 1px rgba(239, 240, 242, 0.95); }
-  .csd .titlebar {
-    background-color: rgba(231, 232, 235, 0.95); }
-  .titlebar:backdrop {
-    color: rgba(82, 93, 118, 0.5);
-    background-color: #eff0f2; }
-    .csd .titlebar:backdrop {
-      background-color: rgba(239, 240, 242, 0.95); }
-  .maximized .titlebar {
-    background-color: #e7e8eb; }
-    .maximized .titlebar:backdrop, .csd .maximized .titlebar:backdrop {
-      background-color: #eff0f2; }
-  window > .titlebar:not(headerbar),
-  window.csd > .titlebar:not(headerbar), window > .titlebar:backdrop:not(headerbar),
-  window.csd > .titlebar:backdrop:not(headerbar) {
-    padding: 0;
-    border: none;
-    background: none; }
-  .titlebar separator {
-    background-color: rgba(212, 213, 219, 0.95); }
+  border-radius: 4px 4px 0 0; }
 
-paned.titlebar separator {
-  background-color: transparent; }
+separator:first-child + headerbar, separator:first-child + headerbar:backdrop, headerbar:first-child, headerbar:first-child:backdrop {
+  border-top-left-radius: 4px; }
 
-paned.titlebar > headerbar:not(:only-child):not(:first-child):not(:last-child) {
-  border-radius: 0; }
+headerbar:last-child, headerbar:last-child:backdrop {
+  border-top-right-radius: 4px; }
 
-paned.titlebar > headerbar ~ headerbar {
-  border-top-left-radius: 0; }
+window.csd > .titlebar:not(headerbar),
+window.csd > .titlebar:not(headerbar):backdrop {
+  padding: 0;
+  background-color: transparent;
+  background-image: none;
+  border-style: none;
+  border-color: transparent;
+  box-shadow: none; }
 
-paned.titlebar > headerbar:first-child {
-  border-top-right-radius: 0; }
+.titlebar:not(headerbar) > separator {
+  background: rgba(212, 213, 219, 0.95); }
 
-headerbar entry, headerbar button, headerbar separator {
+headerbar entry, headerbar button, headerbar separator, .titlebar:not(headerbar) entry, .titlebar:not(headerbar) button, .titlebar:not(headerbar) separator {
   margin-top: 6px;
   margin-bottom: 6px; }
 
-.primary-toolbar separator, headerbar separator.titlebutton {
+.primary-toolbar separator, headerbar separator.titlebutton, .titlebar:not(headerbar) separator.titlebutton {
   min-width: 1px;
   min-height: 1px;
   background: none;
   border-width: 0 1px;
   border-image: linear-gradient(to bottom, rgba(82, 93, 118, 0) 25%, rgba(82, 93, 118, 0.15) 25%, rgba(82, 93, 118, 0.15) 75%, rgba(82, 93, 118, 0) 75%) 0 1/0 1px stretch; }
-  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop {
+  .primary-toolbar separator:backdrop, headerbar separator.titlebutton:backdrop, .titlebar:not(headerbar) separator.titlebutton:backdrop {
     opacity: 0.6; }
 
-.primary-toolbar entry, headerbar entry {
+.primary-toolbar entry, headerbar entry, .titlebar:not(headerbar) entry {
   color: rgba(82, 93, 118, 0.8);
   border-color: rgba(82, 93, 118, 0.1);
   background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.9));
   background-color: transparent; }
-  .primary-toolbar entry image, headerbar entry image, .primary-toolbar entry image:hover, headerbar entry image:hover {
+  .primary-toolbar entry image, headerbar entry image, .titlebar:not(headerbar) entry image, .primary-toolbar entry image:hover, headerbar entry image:hover, .titlebar:not(headerbar) entry image:hover {
     color: inherit; }
-  .primary-toolbar entry:backdrop, headerbar entry:backdrop {
+  .primary-toolbar entry:backdrop, headerbar entry:backdrop, .titlebar:not(headerbar) entry:backdrop {
     opacity: 0.85; }
-  .primary-toolbar entry:focus, headerbar entry:focus {
+  .primary-toolbar entry:focus, headerbar entry:focus, .titlebar:not(headerbar) entry:focus {
     color: #ffffff;
     border-color: #5294E2;
     background-image: linear-gradient(to bottom, #5294E2);
     background-clip: border-box; }
-    .primary-toolbar entry:focus image, headerbar entry:focus image {
+    .primary-toolbar entry:focus image, headerbar entry:focus image, .titlebar:not(headerbar) entry:focus image {
       color: #ffffff; }
-  .primary-toolbar entry:disabled, headerbar entry:disabled {
+  .primary-toolbar entry:disabled, headerbar entry:disabled, .titlebar:not(headerbar) entry:disabled {
     color: rgba(82, 93, 118, 0.35);
     background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.75)); }
-  .primary-toolbar entry selection:focus, headerbar entry selection:focus {
+  .primary-toolbar entry selection:focus, headerbar entry selection:focus, .titlebar:not(headerbar) entry selection:focus {
     background-color: #ffffff;
     color: #5294E2; }
-  .primary-toolbar entry progress, headerbar entry progress {
+  .primary-toolbar entry progress, headerbar entry progress, .titlebar:not(headerbar) entry progress {
     border-color: #5294E2;
     background-image: none;
     background-color: transparent; }
-  .primary-toolbar entry.warning, headerbar entry.warning {
+  .primary-toolbar entry.warning, headerbar entry.warning, .titlebar:not(headerbar) entry.warning {
     color: #ffffff;
     border-color: #F27835;
     background-image: linear-gradient(to bottom, rgba(238, 162, 121, 0.98)); }
-    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus {
+    .primary-toolbar entry.warning:focus, headerbar entry.warning:focus, .titlebar:not(headerbar) entry.warning:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #F27835); }
-    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus {
+    .primary-toolbar entry.warning selection, headerbar entry.warning selection, .titlebar:not(headerbar) entry.warning selection, .primary-toolbar entry.warning selection:focus, headerbar entry.warning selection:focus, .titlebar:not(headerbar) entry.warning selection:focus {
       background-color: #ffffff;
       color: #F27835; }
-  .primary-toolbar entry.error, headerbar entry.error {
+  .primary-toolbar entry.error, headerbar entry.error, .titlebar:not(headerbar) entry.error {
     color: #ffffff;
     border-color: #FC4138;
     background-image: linear-gradient(to bottom, rgba(244, 128, 123, 0.98)); }
-    .primary-toolbar entry.error:focus, headerbar entry.error:focus {
+    .primary-toolbar entry.error:focus, headerbar entry.error:focus, .titlebar:not(headerbar) entry.error:focus {
       color: #ffffff;
       background-image: linear-gradient(to bottom, #FC4138); }
-    .primary-toolbar entry.error selection, headerbar entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus {
+    .primary-toolbar entry.error selection, headerbar entry.error selection, .titlebar:not(headerbar) entry.error selection, .primary-toolbar entry.error selection:focus, headerbar entry.error selection:focus, .titlebar:not(headerbar) entry.error selection:focus {
       background-color: #ffffff;
       color: #FC4138; }
 
-.primary-toolbar button, headerbar button {
+.primary-toolbar button, headerbar button, .titlebar:not(headerbar) button {
   color: rgba(82, 93, 118, 0.8);
   outline-color: rgba(82, 93, 118, 0.1);
   outline-offset: -3px;
   background-color: rgba(231, 232, 235, 0);
   border-color: rgba(231, 232, 235, 0); }
-  .primary-toolbar button:backdrop, headerbar button:backdrop {
+  .primary-toolbar button:backdrop, headerbar button:backdrop, .titlebar:not(headerbar) button:backdrop {
     opacity: 0.7; }
-  .primary-toolbar button:hover, headerbar button:hover {
+  .primary-toolbar button:hover, headerbar button:hover, .titlebar:not(headerbar) button:hover {
     color: rgba(82, 93, 118, 0.8);
     outline-color: rgba(82, 93, 118, 0.1);
     border-color: rgba(82, 93, 118, 0.1);
     background-color: rgba(251, 251, 252, 0.9); }
-  .primary-toolbar button:active, headerbar button:active, .primary-toolbar button:checked, headerbar button:checked {
+  .primary-toolbar button:active, headerbar button:active, .titlebar:not(headerbar) button:active, .primary-toolbar button:checked, headerbar button:checked, .titlebar:not(headerbar) button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: #5294E2;
     background-color: #5294E2;
     background-clip: border-box; }
-  .primary-toolbar button:disabled, headerbar button:disabled {
+  .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
     background-color: rgba(231, 232, 235, 0);
     border-color: rgba(231, 232, 235, 0); }
-    .primary-toolbar button:disabled label, headerbar button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled {
+    .primary-toolbar button:disabled label, headerbar button:disabled label, .titlebar:not(headerbar) button:disabled label, .primary-toolbar button:disabled, headerbar button:disabled, .titlebar:not(headerbar) button:disabled {
       color: rgba(82, 93, 118, 0.35); }
-  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked {
+  .primary-toolbar button:disabled:active, headerbar button:disabled:active, .titlebar:not(headerbar) button:disabled:active, .primary-toolbar button:disabled:checked, headerbar button:disabled:checked, .titlebar:not(headerbar) button:disabled:checked {
     color: rgba(255, 255, 255, 0.75);
     border-color: rgba(82, 148, 226, 0.65);
     background-color: rgba(82, 148, 226, 0.65); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button, headerbar .linked:not(.vertical):not(.path-bar) > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover, headerbar .linked:not(.vertical):not(.path-bar) > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:active, headerbar .linked:not(.vertical):not(.path-bar) > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked, headerbar .linked:not(.vertical):not(.path-bar) > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked, .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:disabled, headerbar .linked:not(.vertical):not(.path-bar) > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:disabled {
   border-radius: 3px;
   border-style: solid; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child), .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active), .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active) + button:not(:checked):not(:active) {
   box-shadow: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button, .primary-toolbar .linked:not(.vertical).path-bar > button, headerbar .linked:not(.vertical).path-bar > button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button {
   color: rgba(82, 93, 118, 0.8);
   outline-color: rgba(82, 93, 118, 0.1);
   border-color: rgba(82, 93, 118, 0.1);
   background-color: rgba(251, 251, 252, 0.9); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover, headerbar .linked:not(.vertical).path-bar > button:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover {
     background-color: rgba(255, 255, 255, 0.9); }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:active, .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:checked, .primary-toolbar .linked:not(.vertical).path-bar > button:active, headerbar .linked:not(.vertical).path-bar > button:active, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:active, .primary-toolbar .linked:not(.vertical).path-bar > button:checked, headerbar .linked:not(.vertical).path-bar > button:checked, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:checked {
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     border-color: #5294E2;
     background-color: #5294E2; }
-  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled {
+  .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:disabled, .primary-toolbar .linked:not(.vertical).path-bar > button:disabled, headerbar .linked:not(.vertical).path-bar > button:disabled, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:disabled {
     color: rgba(82, 93, 118, 0.4); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button + button, .primary-toolbar .linked:not(.vertical).path-bar > button + button, headerbar .linked:not(.vertical).path-bar > button + button, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button + button {
   border-left-style: none; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):hover {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1), inset -1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):first-child:hover {
   box-shadow: inset -1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar).stack-switcher > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .primary-toolbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, headerbar .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover, .titlebar:not(headerbar) .linked:not(.vertical).path-bar > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(82, 93, 118, 0); }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning {
   border-left-color: #F27835; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, headerbar .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error + entry.warning {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:focus:last-child {
   border-left-color: #5294E2; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: #5294E2; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry:drop(active):last-child {
   border-left-color: #F08437; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry:drop(active):not(:only-child) + combobox > box > button.combo {
   border-left-color: #F08437; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.warning:focus:last-child {
   border-left-color: #F27835; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.warning:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: #F27835; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:not(:last-child), .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry + entry.error:focus:last-child {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + entry, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + button, .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, headerbar .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > entry.error:focus:not(:only-child) + combobox > box > button.combo {
   border-left-color: #FC4138; }
 
-.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry {
+.primary-toolbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, headerbar .linked:not(.vertical):not(.path-bar) > button:checked + entry, .titlebar:not(headerbar) .linked:not(.vertical):not(.path-bar) > button:checked + entry {
   border-left-color: #5294E2; }
 
-.primary-toolbar button.suggested-action, headerbar button.suggested-action {
+.primary-toolbar button.suggested-action, headerbar button.suggested-action, .titlebar:not(headerbar) button.suggested-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #4DADD4;
   border-color: #4DADD4; }
-  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button {
+  .primary-toolbar button.suggested-action.flat, headerbar button.suggested-action.flat, .titlebar:not(headerbar) button.suggested-action.flat, .primary-toolbar button.suggested-action.sidebar-button, headerbar button.suggested-action.sidebar-button, .titlebar:not(headerbar) button.suggested-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #4DADD4;
     outline-color: rgba(77, 173, 212, 0.3); }
-  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover {
+  .primary-toolbar button.suggested-action:hover, headerbar button.suggested-action:hover, .titlebar:not(headerbar) button.suggested-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #76c0de;
     border-color: #76c0de; }
-  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked {
+  .primary-toolbar button.suggested-action:active, headerbar button.suggested-action:active, .titlebar:not(headerbar) button.suggested-action:active, .primary-toolbar button.suggested-action:checked, headerbar button.suggested-action:checked, .titlebar:not(headerbar) button.suggested-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #2e96c0;
     border-color: #2e96c0; }
-  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+  .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
     background-color: rgba(231, 232, 235, 0);
     border-color: rgba(231, 232, 235, 0); }
-    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled {
+    .primary-toolbar button.suggested-action.flat:disabled label, headerbar button.suggested-action.flat:disabled label, .titlebar:not(headerbar) button.suggested-action.flat:disabled label, .primary-toolbar button.suggested-action.sidebar-button:disabled label, headerbar button.suggested-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled label, .primary-toolbar button.suggested-action.flat:disabled, headerbar button.suggested-action.flat:disabled, .titlebar:not(headerbar) button.suggested-action.flat:disabled, .primary-toolbar button.suggested-action.sidebar-button:disabled, headerbar button.suggested-action.sidebar-button:disabled, .titlebar:not(headerbar) button.suggested-action.sidebar-button:disabled, .primary-toolbar button.suggested-action:disabled label, headerbar button.suggested-action:disabled label, .titlebar:not(headerbar) button.suggested-action:disabled label, .primary-toolbar button.suggested-action:disabled, headerbar button.suggested-action:disabled, .titlebar:not(headerbar) button.suggested-action:disabled {
       color: rgba(82, 93, 118, 0.35); }
 
-.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop {
+.primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop, .primary-toolbar button.suggested-action:backdrop, headerbar button.suggested-action:backdrop, .titlebar:not(headerbar) button.suggested-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar button.destructive-action, headerbar button.destructive-action {
+.primary-toolbar button.destructive-action, headerbar button.destructive-action, .titlebar:not(headerbar) button.destructive-action {
   background-clip: border-box;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   background-color: #F04A50;
   border-color: #F04A50; }
-  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button {
+  .primary-toolbar button.destructive-action.flat, headerbar button.destructive-action.flat, .titlebar:not(headerbar) button.destructive-action.flat, .primary-toolbar button.destructive-action.sidebar-button, headerbar button.destructive-action.sidebar-button, .titlebar:not(headerbar) button.destructive-action.sidebar-button {
     border-color: transparent;
     background-color: transparent;
     background-image: none;
     color: #F04A50;
     outline-color: rgba(240, 74, 80, 0.3); }
-  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover {
+  .primary-toolbar button.destructive-action:hover, headerbar button.destructive-action:hover, .titlebar:not(headerbar) button.destructive-action:hover {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #f4797e;
     border-color: #f4797e; }
-  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked {
+  .primary-toolbar button.destructive-action:active, headerbar button.destructive-action:active, .titlebar:not(headerbar) button.destructive-action:active, .primary-toolbar button.destructive-action:checked, headerbar button.destructive-action:checked, .titlebar:not(headerbar) button.destructive-action:checked {
     background-clip: border-box;
     color: #ffffff;
     outline-color: rgba(255, 255, 255, 0.3);
     background-color: #ec1b22;
     border-color: #ec1b22; }
-  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+  .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
     background-color: rgba(231, 232, 235, 0);
     border-color: rgba(231, 232, 235, 0); }
-    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled {
+    .primary-toolbar button.destructive-action.flat:disabled label, headerbar button.destructive-action.flat:disabled label, .titlebar:not(headerbar) button.destructive-action.flat:disabled label, .primary-toolbar button.destructive-action.sidebar-button:disabled label, headerbar button.destructive-action.sidebar-button:disabled label, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled label, .primary-toolbar button.destructive-action.flat:disabled, headerbar button.destructive-action.flat:disabled, .titlebar:not(headerbar) button.destructive-action.flat:disabled, .primary-toolbar button.destructive-action.sidebar-button:disabled, headerbar button.destructive-action.sidebar-button:disabled, .titlebar:not(headerbar) button.destructive-action.sidebar-button:disabled, .primary-toolbar button.destructive-action:disabled label, headerbar button.destructive-action:disabled label, .titlebar:not(headerbar) button.destructive-action:disabled label, .primary-toolbar button.destructive-action:disabled, headerbar button.destructive-action:disabled, .titlebar:not(headerbar) button.destructive-action:disabled {
       color: rgba(82, 93, 118, 0.35); }
 
-.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop {
+.primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop, .primary-toolbar button.destructive-action:backdrop, headerbar button.destructive-action:backdrop, .titlebar:not(headerbar) button.destructive-action:backdrop {
   opacity: 0.8; }
 
-.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus {
+.primary-toolbar spinbutton:not(.vertical):focus, headerbar spinbutton:not(.vertical):focus, .titlebar:not(headerbar) spinbutton:not(.vertical):focus {
   color: #ffffff;
   caret-color: #ffffff; }
 
-.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button, headerbar spinbutton:not(.vertical) button, .titlebar:not(headerbar) spinbutton:not(.vertical) button, .primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(82, 93, 118, 0.8);
   outline-color: rgba(82, 93, 118, 0.1);
   border-color: rgba(82, 93, 118, 0.1);
   background-color: rgba(251, 251, 252, 0.9); }
 
-.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover {
+.primary-toolbar spinbutton:not(.vertical) button:hover, headerbar spinbutton:not(.vertical) button:hover, .titlebar:not(headerbar) spinbutton:not(.vertical) button:hover {
   background-color: rgba(255, 255, 255, 0.9); }
 
-.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked {
+.primary-toolbar spinbutton:not(.vertical) button:active, headerbar spinbutton:not(.vertical) button:active, .titlebar:not(headerbar) spinbutton:not(.vertical) button:active, .primary-toolbar spinbutton:not(.vertical) button:checked, headerbar spinbutton:not(.vertical) button:checked, .titlebar:not(headerbar) spinbutton:not(.vertical) button:checked {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3);
   border-color: #5294E2;
   background-color: #5294E2; }
 
-.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled {
+.primary-toolbar spinbutton:not(.vertical) button:disabled, headerbar spinbutton:not(.vertical) button:disabled, .titlebar:not(headerbar) spinbutton:not(.vertical) button:disabled {
   color: rgba(82, 93, 118, 0.4); }
 
-.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button {
+.primary-toolbar spinbutton:not(.vertical) > button + button, headerbar spinbutton:not(.vertical) > button + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button + button {
   border-left-style: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button {
+.primary-toolbar spinbutton:not(.vertical) > button:hover:not(:active), headerbar spinbutton:not(.vertical) > button:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > button:hover + button, headerbar spinbutton:not(.vertical) > button:hover + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > button:hover + button {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1); }
 
-.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover {
+.primary-toolbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), headerbar spinbutton:not(.vertical) > button:first-child:hover:not(:active), .titlebar:not(headerbar) spinbutton:not(.vertical) > button:first-child:hover:not(:active), .primary-toolbar spinbutton:not(.vertical) > entry + button:not(:active):hover, headerbar spinbutton:not(.vertical) > entry + button:not(:active):hover, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry + button:not(:active):hover {
   box-shadow: none; }
 
-.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button {
+.primary-toolbar spinbutton:not(.vertical) > entry:focus + button, headerbar spinbutton:not(.vertical) > entry:focus + button, .titlebar:not(headerbar) spinbutton:not(.vertical) > entry:focus + button {
   border-left-color: #5294E2; }
 
-.primary-toolbar combobox:disabled, headerbar combobox:disabled {
+.primary-toolbar combobox:disabled, headerbar combobox:disabled, .titlebar:not(headerbar) combobox:disabled {
   color: rgba(82, 93, 118, 0.2); }
 
-.primary-toolbar combobox.linked button, headerbar combobox.linked button {
+.primary-toolbar combobox.linked button, headerbar combobox.linked button, .titlebar:not(headerbar) combobox.linked button {
   color: rgba(82, 93, 118, 0.8);
   border-color: rgba(82, 93, 118, 0.1);
   background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.9));
   background-color: transparent; }
-  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover {
+  .primary-toolbar combobox.linked button image, headerbar combobox.linked button image, .titlebar:not(headerbar) combobox.linked button image, .primary-toolbar combobox.linked button image:hover, headerbar combobox.linked button image:hover, .titlebar:not(headerbar) combobox.linked button image:hover {
     color: inherit; }
-  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover {
+  .primary-toolbar combobox.linked button:hover, headerbar combobox.linked button:hover, .titlebar:not(headerbar) combobox.linked button:hover {
     color: #ffffff;
     border-color: #5294E2;
     background-image: linear-gradient(to bottom, #5294E2);
     box-shadow: none; }
-  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled {
+  .primary-toolbar combobox.linked button:disabled, headerbar combobox.linked button:disabled, .titlebar:not(headerbar) combobox.linked button:disabled {
     color: rgba(82, 93, 118, 0.35);
     background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.75)); }
 
-.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr) {
+.primary-toolbar combobox.linked entry:dir(ltr), headerbar combobox.linked entry:dir(ltr), .titlebar:not(headerbar) combobox.linked entry:dir(ltr) {
   border-right-style: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: none; }
-  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus {
+  .primary-toolbar combobox.linked entry:dir(ltr):focus, headerbar combobox.linked entry:dir(ltr):focus, .titlebar:not(headerbar) combobox.linked entry:dir(ltr):focus {
     box-shadow: 1px 0 #5294E2; }
 
-.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl) {
+.primary-toolbar combobox.linked entry:dir(rtl), headerbar combobox.linked entry:dir(rtl), .titlebar:not(headerbar) combobox.linked entry:dir(rtl) {
   border-left-style: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: none; }
-  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus {
+  .primary-toolbar combobox.linked entry:dir(rtl):focus, headerbar combobox.linked entry:dir(rtl):focus, .titlebar:not(headerbar) combobox.linked entry:dir(rtl):focus {
     box-shadow: -1px 0 #5294E2; }
 
-.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled {
+.primary-toolbar combobox.linked button.combo:dir(ltr), headerbar combobox.linked button.combo:dir(ltr), .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr), .primary-toolbar combobox.linked button.combo:dir(ltr):hover, headerbar combobox.linked button.combo:dir(ltr):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):hover, .primary-toolbar combobox.linked button.combo:dir(ltr):active, headerbar combobox.linked button.combo:dir(ltr):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):active, .primary-toolbar combobox.linked button.combo:dir(ltr):checked, headerbar combobox.linked button.combo:dir(ltr):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):checked, .primary-toolbar combobox.linked button.combo:dir(ltr):disabled, headerbar combobox.linked button.combo:dir(ltr):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(ltr):disabled {
   border-top-left-radius: 0;
   border-bottom-left-radius: 0; }
 
-.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled {
+.primary-toolbar combobox.linked button.combo:dir(rtl), headerbar combobox.linked button.combo:dir(rtl), .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl), .primary-toolbar combobox.linked button.combo:dir(rtl):hover, headerbar combobox.linked button.combo:dir(rtl):hover, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):hover, .primary-toolbar combobox.linked button.combo:dir(rtl):active, headerbar combobox.linked button.combo:dir(rtl):active, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):active, .primary-toolbar combobox.linked button.combo:dir(rtl):checked, headerbar combobox.linked button.combo:dir(rtl):checked, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):checked, .primary-toolbar combobox.linked button.combo:dir(rtl):disabled, headerbar combobox.linked button.combo:dir(rtl):disabled, .titlebar:not(headerbar) combobox.linked button.combo:dir(rtl):disabled {
   border-top-right-radius: 0;
   border-bottom-right-radius: 0; }
 
-.primary-toolbar switch:backdrop, headerbar switch:backdrop {
+.primary-toolbar switch:backdrop, headerbar switch:backdrop, .titlebar:not(headerbar) switch:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar progressbar trough, headerbar progressbar trough {
+.primary-toolbar progressbar trough, headerbar progressbar trough, .titlebar:not(headerbar) progressbar trough {
   background-color: rgba(82, 93, 118, 0.15); }
 
-.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop {
+.primary-toolbar progressbar:backdrop, headerbar progressbar:backdrop, .titlebar:not(headerbar) progressbar:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale:backdrop, headerbar scale:backdrop {
+.primary-toolbar scale:backdrop, headerbar scale:backdrop, .titlebar:not(headerbar) scale:backdrop {
   opacity: 0.75; }
 
-.primary-toolbar scale slider, headerbar scale slider {
+.primary-toolbar scale slider, headerbar scale slider, .titlebar:not(headerbar) scale slider {
   background-image: linear-gradient(to bottom, #fbfbfc);
   border-color: rgba(82, 93, 118, 0.3); }
-  .primary-toolbar scale slider:hover, headerbar scale slider:hover {
+  .primary-toolbar scale slider:hover, headerbar scale slider:hover, .titlebar:not(headerbar) scale slider:hover {
     background-image: linear-gradient(to bottom, white);
     border-color: rgba(82, 93, 118, 0.3); }
-  .primary-toolbar scale slider:active, headerbar scale slider:active {
+  .primary-toolbar scale slider:active, headerbar scale slider:active, .titlebar:not(headerbar) scale slider:active {
     background-image: linear-gradient(to bottom, #5294E2);
     border-color: #5294E2; }
-  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled {
+  .primary-toolbar scale slider:disabled, headerbar scale slider:disabled, .titlebar:not(headerbar) scale slider:disabled {
     background-image: linear-gradient(to bottom, rgba(245, 246, 247, 0.985));
     border-color: rgba(82, 93, 118, 0.3); }
 
-.primary-toolbar scale trough, headerbar scale trough {
+.primary-toolbar scale trough, headerbar scale trough, .titlebar:not(headerbar) scale trough {
   background-image: linear-gradient(to bottom, rgba(82, 93, 118, 0.15)); }
-  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled {
+  .primary-toolbar scale trough:disabled, headerbar scale trough:disabled, .titlebar:not(headerbar) scale trough:disabled {
     background-image: linear-gradient(to bottom, rgba(82, 93, 118, 0.1)); }
 
 .path-bar button.text-button, .path-bar button.image-button, .path-bar button {
@@ -2230,7 +2241,7 @@ levelbar block.empty {
 
 printdialog paper {
   border: 1px solid #dcdfe3;
-  background: white;
+  background: #ffffff;
   padding: 0; }
 
 printdialog .dialog-action-box {
@@ -2984,10 +2995,10 @@ modelbutton.flat:selected arrow, treeview.view:selected, treeview.view:selected:
     color: #ffffff; }
 
 .nautilus-canvas-item.dim-label, label.nautilus-canvas-item.separator,
-popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle,
+popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-canvas-item.subtitle, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle,
 .nautilus-list-dim-label {
   color: #a9acb2; }
-  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus,
+  .nautilus-canvas-item.dim-label:selected, label.nautilus-canvas-item.separator:selected, headerbar .nautilus-canvas-item.subtitle:selected, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected, .nautilus-canvas-item.dim-label:selected:focus, label.nautilus-canvas-item.separator:selected:focus, headerbar .nautilus-canvas-item.subtitle:selected:focus, .titlebar:not(headerbar) .nautilus-canvas-item.subtitle:selected:focus,
   .nautilus-list-dim-label:selected,
   .nautilus-list-dim-label:selected:focus {
     color: #dceaf9; }
diff --git a/common/gtk-3.0/3.20/sass/_common.scss b/common/gtk-3.0/3.20/sass/_common.scss
index ccd5cb8..0b3f174 100644
--- a/common/gtk-3.0/3.20/sass/_common.scss
+++ b/common/gtk-3.0/3.20/sass/_common.scss
@@ -940,26 +940,30 @@ actionbar {
 //
 // Headerbars
 //
-headerbar {
+$_header_radius: if($darker=='false' and $variant=='light', 4px, 3px);
+
+headerbar,
+%titlebar {
+
   min-height: 42px;
-  padding: 0 5px;
+  padding: 0 7px;
 
   border-width: 0 0 1px;
   border-style: solid;
-  border-radius: 0;
   border-color: opacify($header_border, 1);
 
   color: $header_fg;
   background-color: opacify($header_bg, 1);
+  box-shadow: inset 0  1px lighten($header_bg, 3%);
 
   .csd & {  // Transparent header-bars only in csd windows
-    border-radius: if($darker=='false' and $variant=='light', 4px 4px 0 0, 3px 3px 0 0);
     background-color: $header_bg;
     border-color: $header_border;
   }
 
   &:backdrop {
     color: transparentize($header_fg, 0.3);
+    background-color: opacify($header_bg_backdrop, 1);
 
     .csd & { background-color: $header_bg_backdrop; }
   }
@@ -1047,6 +1051,8 @@ headerbar {
   .maximized & {
     background-color: opacify($header_bg, 1);
     border-color: opacify($header_border, 1);
+
+    &:backdrop { background-color: opacify($header_bg_backdrop, 1); }
   }
 
   &.default-decoration,
@@ -1063,55 +1069,35 @@ headerbar {
 }
 
 .titlebar {
-  padding: 0 7px;
-  border-radius: if($darker=='false' and $variant=='light', 4px 4px 0 0, 3px 3px 0 0);
-  color: $header_fg;
-  background-color: opacify($header_bg, 1);
-  box-shadow: inset 0  1px lighten($header_bg, 3%);
-
-  .csd & { background-color: $header_bg; }
-
-  &:backdrop {
-    color: transparentize($header_fg, 0.3);
-    background-color: opacify($header_bg_backdrop, 1);
-
-    .csd & { background-color: $header_bg_backdrop; }
-  }
-
-  .maximized & {
-    background-color: opacify($header_bg, 1);
+  border-radius: $_header_radius $_header_radius 0 0;
+}
 
-    &:backdrop, .csd &:backdrop { background-color: opacify($header_bg_backdrop, 1); }
-  }
+headerbar {
+  separator:first-child + &,
+  &:first-child { &, &:backdrop { border-top-left-radius: $_header_radius; }}
 
-  // Fixes double backgrounds on paned headerbars
-  &:not(headerbar),
-  &:backdrop:not(headerbar) {
-    window > &,
-    window.csd > & {
-      padding: 0;
-      border: none;
-      background: none;
-    }
-  }
-  // Separator in Gnome Tweak Tool
-  separator { background-color: $header_border; }
+  &:last-child { &, &:backdrop { border-top-right-radius: $_header_radius; }}
 }
 
-// more paned headerbar fixes (Gedit)
-paned.titlebar {
-  separator { background-color: transparent; }
+.titlebar:not(headerbar) {
+  window.csd > &,
+  window.csd > &:backdrop {
+    // in csd we assume every titlebar is a headerbar so reset anything, this is needed for split toolbars cases
+    padding: 0;
+    background-color: transparent;
+    background-image: none;
+    border-style: none;
+    border-color: transparent;
+    box-shadow: none;
+  }
 
-  > headerbar {
-    &:not(:only-child):not(:first-child):not(:last-child) { border-radius: 0;}
+  > separator { background: $header_border; }
 
-    ~ headerbar { border-top-left-radius: 0; }
-    &:first-child { border-top-right-radius: 0; }
-  }
+  @extend %titlebar;
 }
 
-// Only extending headerbar avoids some problems (Gnome Documents searchbar)
-headerbar {
+headerbar,
+%titlebar {
   separator.titlebutton { @extend %header_separator; }
 
   @extend %header_widgets;
@@ -2308,7 +2294,7 @@ levelbar {
 printdialog {
   paper {
     border: 1px solid $borders_color;
-    background: white;
+    background: $base_color;
     padding: 0;
   }