Cleanup

17 files changed, 681 insertions, 1500 deletions

diff --git a/common/gtk-3.0/3.16/gtk-dark.css b/common/gtk-3.0/3.16/gtk-dark.css
index 6eeec70..5d982a6 100644
--- a/common/gtk-3.0/3.16/gtk-dark.css
+++ b/common/gtk-3.0/3.16/gtk-dark.css
@@ -28,19 +28,10 @@
   outline-width: 1px;
   outline-radius: 2px; }
 
-/***************
- * Base States *
- ***************/
 .background {
   color: #D3DAE3;
   background-color: rgba(56, 60, 74, 0.999); }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
 *:insensitive {
   -gtk-image-effect: dim; }
 
@@ -117,9 +108,6 @@ GtkTextView {
   outline-color: rgba(186, 195, 207, 0.3);
   box-shadow: none; }
 
-/**********************
- * Spinner Animations *
- **********************/
 @keyframes spin {
   to {
     -gtk-icon-transform: rotate(1turn); } }
@@ -135,9 +123,6 @@ GtkTextView {
     .spinner:active:insensitive {
       opacity: 0.5; }
 
-/****************
- * Text Entries *
- ****************/
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -259,9 +244,6 @@ GtkTextView {
 GtkSearchEntry.entry {
   border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
 @keyframes needs_attention {
   from {
     background-image: -gtk-gradient(radial, center center, 0, center center, 0.01, to(#5294E2), to(transparent)); }
@@ -673,9 +655,6 @@ GtkSearchEntry.entry {
   .menuitem.button.flat:checked {
     color: #D3DAE3; }
 
-/*********
- * Links *
- *********/
 *:link, .button:link, .button:visited {
   color: #a9caf1; }
   *:link:visited, .button:visited {
@@ -693,9 +672,6 @@ GtkSearchEntry.entry {
   *:link:selected, .button:selected:link, .button:selected:visited, .header-bar.selection-mode .subtitle:link, .header-bar.titlebar.selection-mode .subtitle:link, *:selected *:link, *:selected .button:link, *:selected .button:visited {
     color: #dceaf9; }
 
-/*****************
- * GtkSpinButton *
- *****************/
 .spinbutton {
   border-radius: 3px; }
   .spinbutton .button {
@@ -773,9 +749,6 @@ GtkSearchEntry.entry {
     border-radius: 0;
     box-shadow: none; }
 
-/**************
- * ComboBoxes *
- **************/
 GtkComboBox {
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none; }
@@ -799,9 +772,6 @@ GtkComboBox {
     GtkComboBox.combobox-entry .button:dir(rtl):insensitive {
       box-shadow: inset -1px 0 rgba(43, 46, 57, 0.55); }
 
-/************
- * Toolbars *
- ************/
 .toolbar, .inline-toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -838,9 +808,6 @@ GtkComboBox {
 .action-bar {
   background-color: #313541; }
 
-/***************
- * Header bars *
- ***************/
 .header-bar {
   padding: 7px 7px 6px 7px;
   border-width: 0 0 1px;
@@ -1225,9 +1192,6 @@ GtkComboBox {
     background-image: linear-gradient(to bottom, rgba(63, 69, 84, 0.991));
     border-color: rgba(21, 23, 28, 0.67); }
 
-/************
- * Pathbars *
- ************/
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px; }
@@ -1242,9 +1206,6 @@ GtkComboBox {
     padding-right: 4px;
     padding-left: 4px; }
 
-/**************
- * Tree Views *
- **************/
 GtkTreeView.view {
   -GtkTreeView-grid-line-width: 1;
   -GtkTreeView-grid-line-pattern: '';
@@ -1326,9 +1287,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     border-color: #383C4A;
     background-image: none; }
 
-/*********
- * Menus *
- *********/
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1392,9 +1350,6 @@ column-header .button, column-header .button:hover, column-header .button:active
 .menuitem .accelerator {
   color: alpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
 .popover {
   padding: 2px;
   border: 1px solid #20222a;
@@ -1426,10 +1381,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .cursor-handle.bottom {
     -gtk-icon-source: -gtk-icontheme("selection-end-symbolic"); }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
 .notebook {
   padding: 0;
   background-color: #404552;
@@ -1562,9 +1513,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     .notebook.arrow:insensitive {
       color: rgba(211, 218, 227, 0.15); }
 
-/**************
- * Scrollbars *
- **************/
 .scrollbar {
   -GtkRange-slider-width: 13;
   -GtkRange-trough-border: 0;
@@ -1641,9 +1589,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .scrollbars-junction.frame:dir(rtl) {
     border-image-slice: 0 1 0 0; }
 
-/**********
- * Switch *
- **********/
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -1704,9 +1649,6 @@ GtkInfoBar GtkSwitch.trough:active:insensitive {
 .primary-toolbar GtkSwitch.trough:active:insensitive {
   background-image: -gtk-scaled(url("assets/switch-active-insensitive-header-dark.png"), url("assets/switch-active-insensitive-header-dark@2.png")); }
 
-/*************************
- * Check and Radio items *
- *************************/
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-dark.png"), url("assets/checkbox-unchecked-dark@2.png")); }
 
@@ -1867,9 +1809,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   GtkCheckButton.text-button:insensitive, GtkCheckButton.text-button:insensitive:active, GtkCheckButton.text-button:insensitive:inconsistent, GtkRadioButton.text-button:insensitive, GtkRadioButton.text-button:insensitive:active, GtkRadioButton.text-button:insensitive:inconsistent {
     color: rgba(211, 218, 227, 0.45); }
 
-/************
- * GtkScale *
- ************/
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -1949,9 +1888,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
       GtkInfoBar .scale.trough:insensitive {
         background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1)); }
 
-/*****************
- * Progress bars *
- *****************/
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
@@ -1988,16 +1924,12 @@ GtkProgressBar.trough, .level-bar.trough {
   GtkInfoBar .level-bar.trough {
     background-color: rgba(0, 0, 0, 0.2); }
 
-/*************
- * Level Bar *
- *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3; }
-
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34; }
+  GtkLevelBar.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34; }
 
 .level-bar.trough {
   padding: 3px;
@@ -2021,9 +1953,6 @@ GtkLevelBar.vertical {
     background-color: #404552;
     border-color: #404552; }
 
-/**********
- * Frames *
- **********/
 .frame {
   border: 1px solid #2b2e39;
   padding: 0; }
@@ -2050,9 +1979,6 @@ GtkScrolledWindow GtkViewport.frame {
   GtkFontButton .vertical.view.separator {
     -GtkWidget-wide-separators: true; }
 
-/*********
- * Lists *
- *********/
 .list, .list-row {
   background-color: #404552;
   border-color: #2b2e39; }
@@ -2085,9 +2011,6 @@ GtkScrolledWindow GtkViewport.frame {
   .list-row:hover, list-row.button:hover {
     transition: none; }
 
-/*********************
- * App Notifications *
- *********************/
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2127,9 +2050,6 @@ GtkScrolledWindow GtkViewport.frame {
       border-color: rgba(26, 28, 34, 0.35);
       background-color: rgba(102, 109, 132, 0.2); }
 
-/*************
- * Expanders *
- *************/
 .expander {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   .expander:dir(rtl) {
@@ -2139,9 +2059,6 @@ GtkScrolledWindow GtkViewport.frame {
   .expander:checked {
     -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
 
-/************
- * Calendar *
- ***********/
 GtkCalendar {
   color: #D3DAE3;
   border: 1px solid #2b2e39;
@@ -2169,9 +2086,6 @@ GtkCalendar {
   GtkCalendar.highlight {
     color: alpha(currentColor,0.55); }
 
-/***********
- * Dialogs *
- ***********/
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
@@ -2204,13 +2118,10 @@ GtkFileChooserDialog .search-bar {
 GtkFileChooserDialog .dialog-action-box {
   border-top: 1px solid #2b2e39; }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+.sidebar, .sidebar .view {
   border: none;
   background-color: #383C4A; }
-  .sidebar:selected {
+  .sidebar:selected, .sidebar .view:selected {
     background-color: #5294E2; }
 
 GtkPlacesSidebar.sidebar .view {
@@ -2249,9 +2160,6 @@ GtkPaned.wide {
   GtkPaned.wide.vertical .pane-separator {
     border-style: solid none; }
 
-/**************
- * GtkInfoBar *
- **************/
 GtkInfoBar {
   border-style: none; }
 
@@ -2293,9 +2201,6 @@ GtkInfoBar {
       background-color: rgba(255, 255, 255, 0.2);
       border-color: rgba(255, 255, 255, 0.2); }
 
-/************
- * Tooltips *
- ************/
 .tooltip {
   color: #BAC3CF;
   border-radius: 2px; }
@@ -2310,9 +2215,6 @@ GtkInfoBar {
   background-color: transparent;
   color: inherit; }
 
-/*****************
- * Color Chooser *
- *****************/
 :selected GtkColorSwatch {
   box-shadow: none; }
   :selected GtkColorSwatch.overlay, :selected GtkColorSwatch.overlay:hover {
@@ -2380,9 +2282,6 @@ GtkColorButton.button {
   GtkColorButton.button GtkColorSwatch {
     border-radius: 0; }
 
-/********
- * Misc *
- ********/
 .scale-popup .button {
   padding: 6px; }
   .scale-popup .button:hover {
@@ -2394,14 +2293,89 @@ GtkColorButton.button {
 GtkVolumeButton.button {
   padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+.touch-selection,
+.context-menu {
+  font: initial; }
+
+.monospace {
+  font: Monospace; }
+
+.overshoot.top {
+  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center top;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.bottom {
+  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center bottom;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.left {
+  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: left center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.right {
+  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.undershoot.top {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-top: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center top; }
+
+.undershoot.bottom {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-bottom: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center bottom; }
+
+.undershoot.left {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-left: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: left center; }
+
+.undershoot.right {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-right: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: right center; }
+
 .window-frame {
   border-radius: 3px 3px 0 0;
   border-width: 0px;
   box-shadow: 0 0 0 1px rgba(32, 35, 43, 0.97), 0 8px 8px 0 rgba(0, 0, 0, 0.35);
-  /* this is used for the resize cursor area */
   margin: 10px; }
   .window-frame:backdrop {
     box-shadow: 0 0 0 1px rgba(32, 35, 43, 0.87), 0 5px 5px 0 rgba(0, 0, 0, 0.35); }
@@ -2511,86 +2485,6 @@ GtkVolumeButton.button {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
 
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial; }
-
-.monospace {
-  font: Monospace; }
-
-.overshoot.top {
-  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center top;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.bottom {
-  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center bottom;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.left {
-  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: left center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.right {
-  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.undershoot.top {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-top: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center top; }
-
-.undershoot.bottom {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-bottom: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center bottom; }
-
-.undershoot.left {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-left: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: left center; }
-
-.undershoot.right {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-right: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: right center; }
-
 GeditNotebook.notebook tab.reorderable-page.top:active, GeditNotebook.notebook tab.reorderable-page.top.active-page, GeditNotebook.notebook tab.reorderable-page.top.active-page:hover, GeditNotebook.notebook tab.top:active, GeditNotebook.notebook tab.top.active-page, GeditNotebook.notebook tab.top.active-page:hover,
 ScratchMainWindow .notebook tab.reorderable-page.top:active,
 ScratchMainWindow .notebook tab.reorderable-page.top.active-page,
@@ -2754,11 +2648,9 @@ NemoWindow .primary-toolbar NemoPathBar.linked > .button {
       color: #ffffff;
       background-color: #5294E2; }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: #D3DAE3; }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
   color: #8a909b;
   font-size: smaller; }
@@ -3394,13 +3286,11 @@ GraniteWidgetsXsEntry.entry {
 GtkListBox .h4 {
   padding-left: 6px; }
 
-/* the panel widget at the top */
 #panel_window {
   background-color: rgba(43, 46, 55, 0.95);
   color: #BAC3CF;
   font: bold;
-  box-shadow: inset 0 -1px rgba(27, 29, 35, 0.95);
-  /* the menubars/menus of the panel, i.e. indicators */ }
+  box-shadow: inset 0 -1px rgba(27, 29, 35, 0.95); }
   #panel_window .menubar,
   #panel_window .menubar > .menuitem {
     background-color: transparent;
@@ -3413,7 +3303,6 @@ GtkListBox .h4 {
   #panel_window .menubar .menu .menuitem {
     font: normal; }
 
-/* the login window */
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -3422,7 +3311,6 @@ GtkListBox .h4 {
   background-color: transparent;
   color: #D3DAE3; }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
 #content_frame {
   padding-bottom: 14px;
   background-color: #383C4A;
@@ -3453,7 +3341,6 @@ GtkListBox .h4 {
     #content_frame .button:insensitive > GtkLabel {
       color: inherit; }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -3491,13 +3378,10 @@ GtkListBox .h4 {
   #login_window #user_combobox .menu {
     font: normal; }
 
-/* the user's avatar box */
 #user_image {
   padding: 3px;
   border-radius: 2px; }
 
-/* the border around the user's avatar box */
-/* the shutdown button */
 #shutdown_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3517,7 +3401,6 @@ GtkListBox .h4 {
     background-color: #ec1b22;
     border-color: #ec1b22; }
 
-/* the restart button */
 #restart_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3537,7 +3420,6 @@ GtkListBox .h4 {
     background-color: #2e96c0;
     border-color: #2e96c0; }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold; }
@@ -3663,7 +3545,6 @@ NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {
   background-color: rgba(42, 45, 55, 0.95); }
 
-/*Fix Nautilus transparency issues*/
 NautilusWindow NautilusWindowSlot {
   background-color: #404552; }
 
@@ -3868,7 +3749,6 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
   MarlinViewWindow .sidebar .scrollbar .slider:insensitive, GeditFileBrowserWidget .scrollbar .slider:insensitive {
     background-color: transparent; }
 
-/* GTK NAMED COLORS */
 @define-color theme_fg_color #D3DAE3;
 @define-color theme_text_color #D3DAE3;
 @define-color theme_bg_color #383C4A;
@@ -3894,6 +3774,7 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color error_color #FC4138;
 @define-color success_color #73d216;
 @define-color placeholder_text_color #A8A8A8;
+@define-color content_view_bg #404552;
 @define-color wm_title alpha(#cfdae7,0.8);
 @define-color wm_unfocused_title alpha(#cfdae7,0.5);
 @define-color wm_bg #2f343f;
@@ -3911,4 +3792,3 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color wm_icon_unfocused_bg #666A74;
 @define-color wm_icon_hover_bg #C4C7CC;
 @define-color wm_icon_active_bg #ffffff;
-@define-color content_view_bg #404552;
diff --git a/common/gtk-3.0/3.16/gtk-darker.css b/common/gtk-3.0/3.16/gtk-darker.css
index efe7f9c..24ee28a 100644
--- a/common/gtk-3.0/3.16/gtk-darker.css
+++ b/common/gtk-3.0/3.16/gtk-darker.css
@@ -28,19 +28,10 @@
   outline-width: 1px;
   outline-radius: 2px; }
 
-/***************
- * Base States *
- ***************/
 .background {
   color: #5c616c;
   background-color: rgba(245, 246, 247, 0.999); }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
 *:insensitive {
   -gtk-image-effect: dim; }
 
@@ -117,9 +108,6 @@ GtkTextView {
   outline-color: rgba(186, 195, 207, 0.3);
   box-shadow: none; }
 
-/**********************
- * Spinner Animations *
- **********************/
 @keyframes spin {
   to {
     -gtk-icon-transform: rotate(1turn); } }
@@ -135,9 +123,6 @@ GtkTextView {
     .spinner:active:insensitive {
       opacity: 0.5; }
 
-/****************
- * Text Entries *
- ****************/
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -258,9 +243,6 @@ GtkTextView {
 GtkSearchEntry.entry {
   border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
 @keyframes needs_attention {
   from {
     background-image: -gtk-gradient(radial, center center, 0, center center, 0.01, to(#5294E2), to(transparent)); }
@@ -672,9 +654,6 @@ GtkSearchEntry.entry {
   .menuitem.button.flat:checked {
     color: #5c616c; }
 
-/*********
- * Links *
- *********/
 *:link, .button:link, .button:visited {
   color: #2679db; }
   *:link:visited, .button:visited {
@@ -692,9 +671,6 @@ GtkSearchEntry.entry {
   *:link:selected, .button:selected:link, .button:selected:visited, .header-bar.selection-mode .subtitle:link, .header-bar.titlebar.selection-mode .subtitle:link, *:selected *:link, *:selected .button:link, *:selected .button:visited {
     color: #dceaf9; }
 
-/*****************
- * GtkSpinButton *
- *****************/
 .spinbutton {
   border-radius: 3px; }
   .spinbutton .button {
@@ -772,9 +748,6 @@ GtkSearchEntry.entry {
     border-radius: 0;
     box-shadow: none; }
 
-/**************
- * ComboBoxes *
- **************/
 GtkComboBox {
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none; }
@@ -802,9 +775,6 @@ GtkComboBox {
     GtkComboBox.combobox-entry .button:dir(rtl):insensitive {
       box-shadow: inset -1px 0 rgba(207, 214, 230, 0.55); }
 
-/************
- * Toolbars *
- ************/
 .toolbar, .inline-toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -841,9 +811,6 @@ GtkComboBox {
 .action-bar {
   background-color: #edeef0; }
 
-/***************
- * Header bars *
- ***************/
 .header-bar {
   padding: 7px 7px 6px 7px;
   border-width: 0 0 1px;
@@ -1228,9 +1195,6 @@ GtkComboBox {
     background-image: linear-gradient(to bottom, rgba(63, 69, 84, 0.991));
     border-color: rgba(21, 23, 28, 0.67); }
 
-/************
- * Pathbars *
- ************/
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px; }
@@ -1245,9 +1209,6 @@ GtkComboBox {
     padding-right: 4px;
     padding-left: 4px; }
 
-/**************
- * Tree Views *
- **************/
 GtkTreeView.view {
   -GtkTreeView-grid-line-width: 1;
   -GtkTreeView-grid-line-pattern: '';
@@ -1329,9 +1290,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     border-color: #F5F6F7;
     background-image: none; }
 
-/*********
- * Menus *
- *********/
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1395,9 +1353,6 @@ column-header .button, column-header .button:hover, column-header .button:active
 .menuitem .accelerator {
   color: alpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
 .popover {
   padding: 2px;
   border: 1px solid #cdd2d7;
@@ -1429,10 +1384,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .cursor-handle.bottom {
     -gtk-icon-source: -gtk-icontheme("selection-end-symbolic"); }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
 .notebook {
   padding: 0;
   background-color: #ffffff;
@@ -1565,9 +1516,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     .notebook.arrow:insensitive {
       color: rgba(92, 97, 108, 0.25); }
 
-/**************
- * Scrollbars *
- **************/
 .scrollbar {
   -GtkRange-slider-width: 13;
   -GtkRange-trough-border: 0;
@@ -1644,9 +1592,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .scrollbars-junction.frame:dir(rtl) {
     border-image-slice: 0 1 0 0; }
 
-/**********
- * Switch *
- **********/
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -1707,9 +1652,6 @@ GtkInfoBar GtkSwitch.trough:active:insensitive {
 .primary-toolbar GtkSwitch.trough:active:insensitive {
   background-image: -gtk-scaled(url("assets/switch-active-insensitive-header-dark.png"), url("assets/switch-active-insensitive-header-dark@2.png")); }
 
-/*************************
- * Check and Radio items *
- *************************/
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked.png"), url("assets/checkbox-unchecked@2.png")); }
 
@@ -1870,9 +1812,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   GtkCheckButton.text-button:insensitive, GtkCheckButton.text-button:insensitive:active, GtkCheckButton.text-button:insensitive:inconsistent, GtkRadioButton.text-button:insensitive, GtkRadioButton.text-button:insensitive:active, GtkRadioButton.text-button:insensitive:inconsistent {
     color: rgba(92, 97, 108, 0.55); }
 
-/************
- * GtkScale *
- ************/
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -1952,9 +1891,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
       GtkInfoBar .scale.trough:insensitive {
         background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1)); }
 
-/*****************
- * Progress bars *
- *****************/
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
@@ -1991,16 +1927,12 @@ GtkProgressBar.trough, .level-bar.trough {
   GtkInfoBar .level-bar.trough {
     background-color: rgba(0, 0, 0, 0.2); }
 
-/*************
- * Level Bar *
- *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3; }
-
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34; }
+  GtkLevelBar.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34; }
 
 .level-bar.trough {
   padding: 3px;
@@ -2024,9 +1956,6 @@ GtkLevelBar.vertical {
     background-color: rgba(92, 97, 108, 0.2);
     border-color: rgba(92, 97, 108, 0.2); }
 
-/**********
- * Frames *
- **********/
 .frame {
   border: 1px solid #dcdfe3;
   padding: 0; }
@@ -2053,9 +1982,6 @@ GtkScrolledWindow GtkViewport.frame {
   GtkFontButton .vertical.view.separator {
     -GtkWidget-wide-separators: true; }
 
-/*********
- * Lists *
- *********/
 .list, .list-row {
   background-color: #ffffff;
   border-color: #dcdfe3; }
@@ -2088,9 +2014,6 @@ GtkScrolledWindow GtkViewport.frame {
   .list-row:hover, list-row.button:hover {
     transition: none; }
 
-/*********************
- * App Notifications *
- *********************/
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2130,9 +2053,6 @@ GtkScrolledWindow GtkViewport.frame {
       border-color: rgba(26, 28, 34, 0.35);
       background-color: rgba(102, 109, 132, 0.2); }
 
-/*************
- * Expanders *
- *************/
 .expander {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   .expander:dir(rtl) {
@@ -2142,9 +2062,6 @@ GtkScrolledWindow GtkViewport.frame {
   .expander:checked {
     -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
 
-/************
- * Calendar *
- ***********/
 GtkCalendar {
   color: #5c616c;
   border: 1px solid #dcdfe3;
@@ -2172,9 +2089,6 @@ GtkCalendar {
   GtkCalendar.highlight {
     color: alpha(currentColor,0.55); }
 
-/***********
- * Dialogs *
- ***********/
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
@@ -2207,13 +2121,10 @@ GtkFileChooserDialog .search-bar {
 GtkFileChooserDialog .dialog-action-box {
   border-top: 1px solid #dcdfe3; }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+.sidebar, .sidebar .view {
   border: none;
   background-color: #F5F6F7; }
-  .sidebar:selected {
+  .sidebar:selected, .sidebar .view:selected {
     background-color: #5294E2; }
 
 GtkPlacesSidebar.sidebar .view {
@@ -2252,9 +2163,6 @@ GtkPaned.wide {
   GtkPaned.wide.vertical .pane-separator {
     border-style: solid none; }
 
-/**************
- * GtkInfoBar *
- **************/
 GtkInfoBar {
   border-style: none; }
 
@@ -2296,9 +2204,6 @@ GtkInfoBar {
       background-color: rgba(255, 255, 255, 0.2);
       border-color: rgba(255, 255, 255, 0.2); }
 
-/************
- * Tooltips *
- ************/
 .tooltip {
   color: #BAC3CF;
   border-radius: 2px; }
@@ -2313,9 +2218,6 @@ GtkInfoBar {
   background-color: transparent;
   color: inherit; }
 
-/*****************
- * Color Chooser *
- *****************/
 :selected GtkColorSwatch {
   box-shadow: none; }
   :selected GtkColorSwatch.overlay, :selected GtkColorSwatch.overlay:hover {
@@ -2383,9 +2285,6 @@ GtkColorButton.button {
   GtkColorButton.button GtkColorSwatch {
     border-radius: 0; }
 
-/********
- * Misc *
- ********/
 .scale-popup .button {
   padding: 6px; }
   .scale-popup .button:hover {
@@ -2397,14 +2296,89 @@ GtkColorButton.button {
 GtkVolumeButton.button {
   padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+.touch-selection,
+.context-menu {
+  font: initial; }
+
+.monospace {
+  font: Monospace; }
+
+.overshoot.top {
+  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center top;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.bottom {
+  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center bottom;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.left {
+  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: left center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.right {
+  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.undershoot.top {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-top: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center top; }
+
+.undershoot.bottom {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-bottom: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center bottom; }
+
+.undershoot.left {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-left: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: left center; }
+
+.undershoot.right {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-right: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: right center; }
+
 .window-frame {
   border-radius: 3px 3px 0 0;
   border-width: 0px;
   box-shadow: 0 0 0 1px rgba(32, 35, 43, 0.97), 0 8px 8px 0 rgba(0, 0, 0, 0.2);
-  /* this is used for the resize cursor area */
   margin: 10px; }
   .window-frame:backdrop {
     box-shadow: 0 0 0 1px rgba(32, 35, 43, 0.87), 0 5px 5px 0 rgba(0, 0, 0, 0.2); }
@@ -2514,86 +2488,6 @@ GtkVolumeButton.button {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
 
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial; }
-
-.monospace {
-  font: Monospace; }
-
-.overshoot.top {
-  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center top;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.bottom {
-  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center bottom;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.left {
-  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: left center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.right {
-  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.undershoot.top {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-top: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center top; }
-
-.undershoot.bottom {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-bottom: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center bottom; }
-
-.undershoot.left {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-left: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: left center; }
-
-.undershoot.right {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-right: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: right center; }
-
 GeditNotebook.notebook tab.reorderable-page.top:active, GeditNotebook.notebook tab.reorderable-page.top.active-page, GeditNotebook.notebook tab.reorderable-page.top.active-page:hover, GeditNotebook.notebook tab.top:active, GeditNotebook.notebook tab.top.active-page, GeditNotebook.notebook tab.top.active-page:hover,
 ScratchMainWindow .notebook tab.reorderable-page.top:active,
 ScratchMainWindow .notebook tab.reorderable-page.top.active-page,
@@ -2757,11 +2651,9 @@ NemoWindow .primary-toolbar NemoPathBar.linked > .button {
       color: #ffffff;
       background-color: #5294E2; }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: #5c616c; }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
   color: #aeb0b6;
   font-size: smaller; }
@@ -3397,13 +3289,11 @@ GraniteWidgetsXsEntry.entry {
 GtkListBox .h4 {
   padding-left: 6px; }
 
-/* the panel widget at the top */
 #panel_window {
   background-color: rgba(43, 46, 55, 0.95);
   color: #BAC3CF;
   font: bold;
-  box-shadow: inset 0 -1px rgba(27, 29, 35, 0.95);
-  /* the menubars/menus of the panel, i.e. indicators */ }
+  box-shadow: inset 0 -1px rgba(27, 29, 35, 0.95); }
   #panel_window .menubar,
   #panel_window .menubar > .menuitem {
     background-color: transparent;
@@ -3416,7 +3306,6 @@ GtkListBox .h4 {
   #panel_window .menubar .menu .menuitem {
     font: normal; }
 
-/* the login window */
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -3425,7 +3314,6 @@ GtkListBox .h4 {
   background-color: transparent;
   color: #5c616c; }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
 #content_frame {
   padding-bottom: 14px;
   background-color: #F5F6F7;
@@ -3456,7 +3344,6 @@ GtkListBox .h4 {
     #content_frame .button:insensitive > GtkLabel {
       color: inherit; }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -3494,13 +3381,10 @@ GtkListBox .h4 {
   #login_window #user_combobox .menu {
     font: normal; }
 
-/* the user's avatar box */
 #user_image {
   padding: 3px;
   border-radius: 2px; }
 
-/* the border around the user's avatar box */
-/* the shutdown button */
 #shutdown_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3520,7 +3404,6 @@ GtkListBox .h4 {
     background-color: #ec1b22;
     border-color: #ec1b22; }
 
-/* the restart button */
 #restart_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3540,7 +3423,6 @@ GtkListBox .h4 {
     background-color: #2e96c0;
     border-color: #2e96c0; }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold; }
@@ -3656,7 +3538,6 @@ NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {
   background-color: rgba(53, 57, 69, 0.95); }
 
-/*Fix Nautilus transparency issues*/
 NautilusWindow NautilusWindowSlot {
   background-color: #ffffff; }
 
@@ -3861,7 +3742,6 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
   MarlinViewWindow .sidebar .scrollbar .slider:insensitive, GeditFileBrowserWidget .scrollbar .slider:insensitive {
     background-color: transparent; }
 
-/* GTK NAMED COLORS */
 @define-color theme_fg_color #5c616c;
 @define-color theme_text_color #5c616c;
 @define-color theme_bg_color #F5F6F7;
@@ -3887,6 +3767,7 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color error_color #FC4138;
 @define-color success_color #73d216;
 @define-color placeholder_text_color #A8A8A8;
+@define-color content_view_bg #ffffff;
 @define-color wm_title alpha(#cfdae7,0.8);
 @define-color wm_unfocused_title alpha(#cfdae7,0.5);
 @define-color wm_bg #2f343f;
@@ -3904,4 +3785,3 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color wm_icon_unfocused_bg #666A74;
 @define-color wm_icon_hover_bg #C4C7CC;
 @define-color wm_icon_active_bg #ffffff;
-@define-color content_view_bg #ffffff;
diff --git a/common/gtk-3.0/3.16/gtk-solid-dark.css b/common/gtk-3.0/3.16/gtk-solid-dark.css
index 3626acf..8982a4d 100644
--- a/common/gtk-3.0/3.16/gtk-solid-dark.css
+++ b/common/gtk-3.0/3.16/gtk-solid-dark.css
@@ -28,19 +28,10 @@
   outline-width: 1px;
   outline-radius: 2px; }
 
-/***************
- * Base States *
- ***************/
 .background {
   color: #D3DAE3;
   background-color: #383C4A; }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
 *:insensitive {
   -gtk-image-effect: dim; }
 
@@ -117,9 +108,6 @@ GtkTextView {
   outline-color: rgba(186, 195, 207, 0.3);
   box-shadow: none; }
 
-/**********************
- * Spinner Animations *
- **********************/
 @keyframes spin {
   to {
     -gtk-icon-transform: rotate(1turn); } }
@@ -135,9 +123,6 @@ GtkTextView {
     .spinner:active:insensitive {
       opacity: 0.5; }
 
-/****************
- * Text Entries *
- ****************/
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -259,9 +244,6 @@ GtkTextView {
 GtkSearchEntry.entry {
   border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
 @keyframes needs_attention {
   from {
     background-image: -gtk-gradient(radial, center center, 0, center center, 0.01, to(#5294E2), to(transparent)); }
@@ -673,9 +655,6 @@ GtkSearchEntry.entry {
   .menuitem.button.flat:checked {
     color: #D3DAE3; }
 
-/*********
- * Links *
- *********/
 *:link, .button:link, .button:visited {
   color: #a9caf1; }
   *:link:visited, .button:visited {
@@ -693,9 +672,6 @@ GtkSearchEntry.entry {
   *:link:selected, .button:selected:link, .button:selected:visited, .header-bar.selection-mode .subtitle:link, .header-bar.titlebar.selection-mode .subtitle:link, *:selected *:link, *:selected .button:link, *:selected .button:visited {
     color: #dceaf9; }
 
-/*****************
- * GtkSpinButton *
- *****************/
 .spinbutton {
   border-radius: 3px; }
   .spinbutton .button {
@@ -773,9 +749,6 @@ GtkSearchEntry.entry {
     border-radius: 0;
     box-shadow: none; }
 
-/**************
- * ComboBoxes *
- **************/
 GtkComboBox {
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none; }
@@ -799,9 +772,6 @@ GtkComboBox {
     GtkComboBox.combobox-entry .button:dir(rtl):insensitive {
       box-shadow: inset -1px 0 rgba(43, 46, 57, 0.55); }
 
-/************
- * Toolbars *
- ************/
 .toolbar, .inline-toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -838,9 +808,6 @@ GtkComboBox {
 .action-bar {
   background-color: #313541; }
 
-/***************
- * Header bars *
- ***************/
 .header-bar {
   padding: 7px 7px 6px 7px;
   border-width: 0 0 1px;
@@ -1225,9 +1192,6 @@ GtkComboBox {
     background-image: linear-gradient(to bottom, #3e4553);
     border-color: rgba(21, 23, 28, 0.7); }
 
-/************
- * Pathbars *
- ************/
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px; }
@@ -1242,9 +1206,6 @@ GtkComboBox {
     padding-right: 4px;
     padding-left: 4px; }
 
-/**************
- * Tree Views *
- **************/
 GtkTreeView.view {
   -GtkTreeView-grid-line-width: 1;
   -GtkTreeView-grid-line-pattern: '';
@@ -1326,9 +1287,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     border-color: #383C4A;
     background-image: none; }
 
-/*********
- * Menus *
- *********/
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1392,9 +1350,6 @@ column-header .button, column-header .button:hover, column-header .button:active
 .menuitem .accelerator {
   color: alpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
 .popover {
   padding: 2px;
   border: 1px solid #20222a;
@@ -1426,10 +1381,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .cursor-handle.bottom {
     -gtk-icon-source: -gtk-icontheme("selection-end-symbolic"); }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
 .notebook {
   padding: 0;
   background-color: #404552;
@@ -1562,9 +1513,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     .notebook.arrow:insensitive {
       color: rgba(211, 218, 227, 0.15); }
 
-/**************
- * Scrollbars *
- **************/
 .scrollbar {
   -GtkRange-slider-width: 13;
   -GtkRange-trough-border: 0;
@@ -1641,9 +1589,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .scrollbars-junction.frame:dir(rtl) {
     border-image-slice: 0 1 0 0; }
 
-/**********
- * Switch *
- **********/
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -1704,9 +1649,6 @@ GtkInfoBar GtkSwitch.trough:active:insensitive {
 .primary-toolbar GtkSwitch.trough:active:insensitive {
   background-image: -gtk-scaled(url("assets/switch-active-insensitive-header-dark.png"), url("assets/switch-active-insensitive-header-dark@2.png")); }
 
-/*************************
- * Check and Radio items *
- *************************/
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-dark.png"), url("assets/checkbox-unchecked-dark@2.png")); }
 
@@ -1867,9 +1809,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   GtkCheckButton.text-button:insensitive, GtkCheckButton.text-button:insensitive:active, GtkCheckButton.text-button:insensitive:inconsistent, GtkRadioButton.text-button:insensitive, GtkRadioButton.text-button:insensitive:active, GtkRadioButton.text-button:insensitive:inconsistent {
     color: rgba(211, 218, 227, 0.45); }
 
-/************
- * GtkScale *
- ************/
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -1949,9 +1888,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
       GtkInfoBar .scale.trough:insensitive {
         background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1)); }
 
-/*****************
- * Progress bars *
- *****************/
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
@@ -1988,16 +1924,12 @@ GtkProgressBar.trough, .level-bar.trough {
   GtkInfoBar .level-bar.trough {
     background-color: rgba(0, 0, 0, 0.2); }
 
-/*************
- * Level Bar *
- *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3; }
-
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34; }
+  GtkLevelBar.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34; }
 
 .level-bar.trough {
   padding: 3px;
@@ -2021,9 +1953,6 @@ GtkLevelBar.vertical {
     background-color: #404552;
     border-color: #404552; }
 
-/**********
- * Frames *
- **********/
 .frame {
   border: 1px solid #2b2e39;
   padding: 0; }
@@ -2050,9 +1979,6 @@ GtkScrolledWindow GtkViewport.frame {
   GtkFontButton .vertical.view.separator {
     -GtkWidget-wide-separators: true; }
 
-/*********
- * Lists *
- *********/
 .list, .list-row {
   background-color: #404552;
   border-color: #2b2e39; }
@@ -2085,9 +2011,6 @@ GtkScrolledWindow GtkViewport.frame {
   .list-row:hover, list-row.button:hover {
     transition: none; }
 
-/*********************
- * App Notifications *
- *********************/
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2127,9 +2050,6 @@ GtkScrolledWindow GtkViewport.frame {
       border-color: rgba(26, 28, 34, 0.4);
       background-color: rgba(102, 109, 132, 0.25); }
 
-/*************
- * Expanders *
- *************/
 .expander {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   .expander:dir(rtl) {
@@ -2139,9 +2059,6 @@ GtkScrolledWindow GtkViewport.frame {
   .expander:checked {
     -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
 
-/************
- * Calendar *
- ***********/
 GtkCalendar {
   color: #D3DAE3;
   border: 1px solid #2b2e39;
@@ -2169,9 +2086,6 @@ GtkCalendar {
   GtkCalendar.highlight {
     color: alpha(currentColor,0.55); }
 
-/***********
- * Dialogs *
- ***********/
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
@@ -2204,13 +2118,10 @@ GtkFileChooserDialog .search-bar {
 GtkFileChooserDialog .dialog-action-box {
   border-top: 1px solid #2b2e39; }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+.sidebar, .sidebar .view {
   border: none;
   background-color: #383C4A; }
-  .sidebar:selected {
+  .sidebar:selected, .sidebar .view:selected {
     background-color: #5294E2; }
 
 GtkPlacesSidebar.sidebar .view {
@@ -2249,9 +2160,6 @@ GtkPaned.wide {
   GtkPaned.wide.vertical .pane-separator {
     border-style: solid none; }
 
-/**************
- * GtkInfoBar *
- **************/
 GtkInfoBar {
   border-style: none; }
 
@@ -2293,9 +2201,6 @@ GtkInfoBar {
       background-color: rgba(255, 255, 255, 0.2);
       border-color: rgba(255, 255, 255, 0.2); }
 
-/************
- * Tooltips *
- ************/
 .tooltip {
   color: #BAC3CF;
   border-radius: 2px; }
@@ -2310,9 +2215,6 @@ GtkInfoBar {
   background-color: transparent;
   color: inherit; }
 
-/*****************
- * Color Chooser *
- *****************/
 :selected GtkColorSwatch {
   box-shadow: none; }
   :selected GtkColorSwatch.overlay, :selected GtkColorSwatch.overlay:hover {
@@ -2380,9 +2282,6 @@ GtkColorButton.button {
   GtkColorButton.button GtkColorSwatch {
     border-radius: 0; }
 
-/********
- * Misc *
- ********/
 .scale-popup .button {
   padding: 6px; }
   .scale-popup .button:hover {
@@ -2394,14 +2293,89 @@ GtkColorButton.button {
 GtkVolumeButton.button {
   padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+.touch-selection,
+.context-menu {
+  font: initial; }
+
+.monospace {
+  font: Monospace; }
+
+.overshoot.top {
+  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center top;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.bottom {
+  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center bottom;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.left {
+  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: left center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.right {
+  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.undershoot.top {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-top: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center top; }
+
+.undershoot.bottom {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-bottom: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center bottom; }
+
+.undershoot.left {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-left: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: left center; }
+
+.undershoot.right {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-right: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: right center; }
+
 .window-frame {
   border-radius: 3px 3px 0 0;
   border-width: 0px;
   box-shadow: 0 0 0 1px #20232b, 0 8px 8px 0 rgba(0, 0, 0, 0.35);
-  /* this is used for the resize cursor area */
   margin: 10px; }
   .window-frame:backdrop {
     box-shadow: 0 0 0 1px rgba(32, 35, 43, 0.9), 0 5px 5px 0 rgba(0, 0, 0, 0.35); }
@@ -2511,86 +2485,6 @@ GtkVolumeButton.button {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
 
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial; }
-
-.monospace {
-  font: Monospace; }
-
-.overshoot.top {
-  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center top;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.bottom {
-  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center bottom;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.left {
-  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: left center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.right {
-  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.undershoot.top {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-top: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center top; }
-
-.undershoot.bottom {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-bottom: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center bottom; }
-
-.undershoot.left {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-left: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: left center; }
-
-.undershoot.right {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-right: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: right center; }
-
 GeditNotebook.notebook tab.reorderable-page.top:active, GeditNotebook.notebook tab.reorderable-page.top.active-page, GeditNotebook.notebook tab.reorderable-page.top.active-page:hover, GeditNotebook.notebook tab.top:active, GeditNotebook.notebook tab.top.active-page, GeditNotebook.notebook tab.top.active-page:hover,
 ScratchMainWindow .notebook tab.reorderable-page.top:active,
 ScratchMainWindow .notebook tab.reorderable-page.top.active-page,
@@ -2754,11 +2648,9 @@ NemoWindow .primary-toolbar NemoPathBar.linked > .button {
       color: #ffffff;
       background-color: #5294E2; }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: #D3DAE3; }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
   color: #8a909b;
   font-size: smaller; }
@@ -3394,13 +3286,11 @@ GraniteWidgetsXsEntry.entry {
 GtkListBox .h4 {
   padding-left: 6px; }
 
-/* the panel widget at the top */
 #panel_window {
   background-color: #2b2e37;
   color: #BAC3CF;
   font: bold;
-  box-shadow: inset 0 -1px #1b1d23;
-  /* the menubars/menus of the panel, i.e. indicators */ }
+  box-shadow: inset 0 -1px #1b1d23; }
   #panel_window .menubar,
   #panel_window .menubar > .menuitem {
     background-color: transparent;
@@ -3413,7 +3303,6 @@ GtkListBox .h4 {
   #panel_window .menubar .menu .menuitem {
     font: normal; }
 
-/* the login window */
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -3422,7 +3311,6 @@ GtkListBox .h4 {
   background-color: transparent;
   color: #D3DAE3; }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
 #content_frame {
   padding-bottom: 14px;
   background-color: #383C4A;
@@ -3453,7 +3341,6 @@ GtkListBox .h4 {
     #content_frame .button:insensitive > GtkLabel {
       color: inherit; }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -3491,13 +3378,10 @@ GtkListBox .h4 {
   #login_window #user_combobox .menu {
     font: normal; }
 
-/* the user's avatar box */
 #user_image {
   padding: 3px;
   border-radius: 2px; }
 
-/* the border around the user's avatar box */
-/* the shutdown button */
 #shutdown_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3517,7 +3401,6 @@ GtkListBox .h4 {
     background-color: #ec1b22;
     border-color: #ec1b22; }
 
-/* the restart button */
 #restart_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3537,7 +3420,6 @@ GtkListBox .h4 {
     background-color: #2e96c0;
     border-color: #2e96c0; }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold; }
@@ -3663,7 +3545,6 @@ NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {
   background-color: #2a2d37; }
 
-/*Fix Nautilus transparency issues*/
 NautilusWindow NautilusWindowSlot {
   background-color: #404552; }
 
@@ -3868,7 +3749,6 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
   MarlinViewWindow .sidebar .scrollbar .slider:insensitive, GeditFileBrowserWidget .scrollbar .slider:insensitive {
     background-color: transparent; }
 
-/* GTK NAMED COLORS */
 @define-color theme_fg_color #D3DAE3;
 @define-color theme_text_color #D3DAE3;
 @define-color theme_bg_color #383C4A;
@@ -3894,6 +3774,7 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color error_color #FC4138;
 @define-color success_color #73d216;
 @define-color placeholder_text_color #A8A8A8;
+@define-color content_view_bg #404552;
 @define-color wm_title alpha(#cfdae7,0.8);
 @define-color wm_unfocused_title alpha(#cfdae7,0.5);
 @define-color wm_bg #2f343f;
@@ -3911,4 +3792,3 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color wm_icon_unfocused_bg #666A74;
 @define-color wm_icon_hover_bg #C4C7CC;
 @define-color wm_icon_active_bg #ffffff;
-@define-color content_view_bg #404552;
diff --git a/common/gtk-3.0/3.16/gtk-solid-darker.css b/common/gtk-3.0/3.16/gtk-solid-darker.css
index d08962d..9f06c3d 100644
--- a/common/gtk-3.0/3.16/gtk-solid-darker.css
+++ b/common/gtk-3.0/3.16/gtk-solid-darker.css
@@ -28,19 +28,10 @@
   outline-width: 1px;
   outline-radius: 2px; }
 
-/***************
- * Base States *
- ***************/
 .background {
   color: #5c616c;
   background-color: #F5F6F7; }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
 *:insensitive {
   -gtk-image-effect: dim; }
 
@@ -117,9 +108,6 @@ GtkTextView {
   outline-color: rgba(186, 195, 207, 0.3);
   box-shadow: none; }
 
-/**********************
- * Spinner Animations *
- **********************/
 @keyframes spin {
   to {
     -gtk-icon-transform: rotate(1turn); } }
@@ -135,9 +123,6 @@ GtkTextView {
     .spinner:active:insensitive {
       opacity: 0.5; }
 
-/****************
- * Text Entries *
- ****************/
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -258,9 +243,6 @@ GtkTextView {
 GtkSearchEntry.entry {
   border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
 @keyframes needs_attention {
   from {
     background-image: -gtk-gradient(radial, center center, 0, center center, 0.01, to(#5294E2), to(transparent)); }
@@ -672,9 +654,6 @@ GtkSearchEntry.entry {
   .menuitem.button.flat:checked {
     color: #5c616c; }
 
-/*********
- * Links *
- *********/
 *:link, .button:link, .button:visited {
   color: #2679db; }
   *:link:visited, .button:visited {
@@ -692,9 +671,6 @@ GtkSearchEntry.entry {
   *:link:selected, .button:selected:link, .button:selected:visited, .header-bar.selection-mode .subtitle:link, .header-bar.titlebar.selection-mode .subtitle:link, *:selected *:link, *:selected .button:link, *:selected .button:visited {
     color: #dceaf9; }
 
-/*****************
- * GtkSpinButton *
- *****************/
 .spinbutton {
   border-radius: 3px; }
   .spinbutton .button {
@@ -772,9 +748,6 @@ GtkSearchEntry.entry {
     border-radius: 0;
     box-shadow: none; }
 
-/**************
- * ComboBoxes *
- **************/
 GtkComboBox {
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none; }
@@ -802,9 +775,6 @@ GtkComboBox {
     GtkComboBox.combobox-entry .button:dir(rtl):insensitive {
       box-shadow: inset -1px 0 rgba(207, 214, 230, 0.55); }
 
-/************
- * Toolbars *
- ************/
 .toolbar, .inline-toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -841,9 +811,6 @@ GtkComboBox {
 .action-bar {
   background-color: #edeef0; }
 
-/***************
- * Header bars *
- ***************/
 .header-bar {
   padding: 7px 7px 6px 7px;
   border-width: 0 0 1px;
@@ -1228,9 +1195,6 @@ GtkComboBox {
     background-image: linear-gradient(to bottom, #3e4553);
     border-color: rgba(21, 23, 28, 0.7); }
 
-/************
- * Pathbars *
- ************/
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px; }
@@ -1245,9 +1209,6 @@ GtkComboBox {
     padding-right: 4px;
     padding-left: 4px; }
 
-/**************
- * Tree Views *
- **************/
 GtkTreeView.view {
   -GtkTreeView-grid-line-width: 1;
   -GtkTreeView-grid-line-pattern: '';
@@ -1329,9 +1290,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     border-color: #F5F6F7;
     background-image: none; }
 
-/*********
- * Menus *
- *********/
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1395,9 +1353,6 @@ column-header .button, column-header .button:hover, column-header .button:active
 .menuitem .accelerator {
   color: alpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
 .popover {
   padding: 2px;
   border: 1px solid #cdd2d7;
@@ -1429,10 +1384,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .cursor-handle.bottom {
     -gtk-icon-source: -gtk-icontheme("selection-end-symbolic"); }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
 .notebook {
   padding: 0;
   background-color: #ffffff;
@@ -1565,9 +1516,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     .notebook.arrow:insensitive {
       color: rgba(92, 97, 108, 0.25); }
 
-/**************
- * Scrollbars *
- **************/
 .scrollbar {
   -GtkRange-slider-width: 13;
   -GtkRange-trough-border: 0;
@@ -1644,9 +1592,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .scrollbars-junction.frame:dir(rtl) {
     border-image-slice: 0 1 0 0; }
 
-/**********
- * Switch *
- **********/
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -1707,9 +1652,6 @@ GtkInfoBar GtkSwitch.trough:active:insensitive {
 .primary-toolbar GtkSwitch.trough:active:insensitive {
   background-image: -gtk-scaled(url("assets/switch-active-insensitive-header-dark.png"), url("assets/switch-active-insensitive-header-dark@2.png")); }
 
-/*************************
- * Check and Radio items *
- *************************/
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked.png"), url("assets/checkbox-unchecked@2.png")); }
 
@@ -1870,9 +1812,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   GtkCheckButton.text-button:insensitive, GtkCheckButton.text-button:insensitive:active, GtkCheckButton.text-button:insensitive:inconsistent, GtkRadioButton.text-button:insensitive, GtkRadioButton.text-button:insensitive:active, GtkRadioButton.text-button:insensitive:inconsistent {
     color: rgba(92, 97, 108, 0.55); }
 
-/************
- * GtkScale *
- ************/
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -1952,9 +1891,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
       GtkInfoBar .scale.trough:insensitive {
         background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1)); }
 
-/*****************
- * Progress bars *
- *****************/
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
@@ -1991,16 +1927,12 @@ GtkProgressBar.trough, .level-bar.trough {
   GtkInfoBar .level-bar.trough {
     background-color: rgba(0, 0, 0, 0.2); }
 
-/*************
- * Level Bar *
- *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3; }
-
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34; }
+  GtkLevelBar.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34; }
 
 .level-bar.trough {
   padding: 3px;
@@ -2024,9 +1956,6 @@ GtkLevelBar.vertical {
     background-color: rgba(92, 97, 108, 0.2);
     border-color: rgba(92, 97, 108, 0.2); }
 
-/**********
- * Frames *
- **********/
 .frame {
   border: 1px solid #dcdfe3;
   padding: 0; }
@@ -2053,9 +1982,6 @@ GtkScrolledWindow GtkViewport.frame {
   GtkFontButton .vertical.view.separator {
     -GtkWidget-wide-separators: true; }
 
-/*********
- * Lists *
- *********/
 .list, .list-row {
   background-color: #ffffff;
   border-color: #dcdfe3; }
@@ -2088,9 +2014,6 @@ GtkScrolledWindow GtkViewport.frame {
   .list-row:hover, list-row.button:hover {
     transition: none; }
 
-/*********************
- * App Notifications *
- *********************/
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2130,9 +2053,6 @@ GtkScrolledWindow GtkViewport.frame {
       border-color: rgba(26, 28, 34, 0.4);
       background-color: rgba(102, 109, 132, 0.25); }
 
-/*************
- * Expanders *
- *************/
 .expander {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   .expander:dir(rtl) {
@@ -2142,9 +2062,6 @@ GtkScrolledWindow GtkViewport.frame {
   .expander:checked {
     -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
 
-/************
- * Calendar *
- ***********/
 GtkCalendar {
   color: #5c616c;
   border: 1px solid #dcdfe3;
@@ -2172,9 +2089,6 @@ GtkCalendar {
   GtkCalendar.highlight {
     color: alpha(currentColor,0.55); }
 
-/***********
- * Dialogs *
- ***********/
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
@@ -2207,13 +2121,10 @@ GtkFileChooserDialog .search-bar {
 GtkFileChooserDialog .dialog-action-box {
   border-top: 1px solid #dcdfe3; }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+.sidebar, .sidebar .view {
   border: none;
   background-color: #F5F6F7; }
-  .sidebar:selected {
+  .sidebar:selected, .sidebar .view:selected {
     background-color: #5294E2; }
 
 GtkPlacesSidebar.sidebar .view {
@@ -2252,9 +2163,6 @@ GtkPaned.wide {
   GtkPaned.wide.vertical .pane-separator {
     border-style: solid none; }
 
-/**************
- * GtkInfoBar *
- **************/
 GtkInfoBar {
   border-style: none; }
 
@@ -2296,9 +2204,6 @@ GtkInfoBar {
       background-color: rgba(255, 255, 255, 0.2);
       border-color: rgba(255, 255, 255, 0.2); }
 
-/************
- * Tooltips *
- ************/
 .tooltip {
   color: #BAC3CF;
   border-radius: 2px; }
@@ -2313,9 +2218,6 @@ GtkInfoBar {
   background-color: transparent;
   color: inherit; }
 
-/*****************
- * Color Chooser *
- *****************/
 :selected GtkColorSwatch {
   box-shadow: none; }
   :selected GtkColorSwatch.overlay, :selected GtkColorSwatch.overlay:hover {
@@ -2383,9 +2285,6 @@ GtkColorButton.button {
   GtkColorButton.button GtkColorSwatch {
     border-radius: 0; }
 
-/********
- * Misc *
- ********/
 .scale-popup .button {
   padding: 6px; }
   .scale-popup .button:hover {
@@ -2397,14 +2296,89 @@ GtkColorButton.button {
 GtkVolumeButton.button {
   padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+.touch-selection,
+.context-menu {
+  font: initial; }
+
+.monospace {
+  font: Monospace; }
+
+.overshoot.top {
+  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center top;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.bottom {
+  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center bottom;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.left {
+  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: left center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.right {
+  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.undershoot.top {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-top: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center top; }
+
+.undershoot.bottom {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-bottom: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center bottom; }
+
+.undershoot.left {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-left: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: left center; }
+
+.undershoot.right {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-right: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: right center; }
+
 .window-frame {
   border-radius: 3px 3px 0 0;
   border-width: 0px;
   box-shadow: 0 0 0 1px #20232b, 0 8px 8px 0 rgba(0, 0, 0, 0.2);
-  /* this is used for the resize cursor area */
   margin: 10px; }
   .window-frame:backdrop {
     box-shadow: 0 0 0 1px rgba(32, 35, 43, 0.9), 0 5px 5px 0 rgba(0, 0, 0, 0.2); }
@@ -2514,86 +2488,6 @@ GtkVolumeButton.button {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
 
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial; }
-
-.monospace {
-  font: Monospace; }
-
-.overshoot.top {
-  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center top;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.bottom {
-  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center bottom;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.left {
-  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: left center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.right {
-  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.undershoot.top {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-top: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center top; }
-
-.undershoot.bottom {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-bottom: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center bottom; }
-
-.undershoot.left {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-left: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: left center; }
-
-.undershoot.right {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-right: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: right center; }
-
 GeditNotebook.notebook tab.reorderable-page.top:active, GeditNotebook.notebook tab.reorderable-page.top.active-page, GeditNotebook.notebook tab.reorderable-page.top.active-page:hover, GeditNotebook.notebook tab.top:active, GeditNotebook.notebook tab.top.active-page, GeditNotebook.notebook tab.top.active-page:hover,
 ScratchMainWindow .notebook tab.reorderable-page.top:active,
 ScratchMainWindow .notebook tab.reorderable-page.top.active-page,
@@ -2757,11 +2651,9 @@ NemoWindow .primary-toolbar NemoPathBar.linked > .button {
       color: #ffffff;
       background-color: #5294E2; }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: #5c616c; }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
   color: #aeb0b6;
   font-size: smaller; }
@@ -3397,13 +3289,11 @@ GraniteWidgetsXsEntry.entry {
 GtkListBox .h4 {
   padding-left: 6px; }
 
-/* the panel widget at the top */
 #panel_window {
   background-color: #2b2e37;
   color: #BAC3CF;
   font: bold;
-  box-shadow: inset 0 -1px #1b1d23;
-  /* the menubars/menus of the panel, i.e. indicators */ }
+  box-shadow: inset 0 -1px #1b1d23; }
   #panel_window .menubar,
   #panel_window .menubar > .menuitem {
     background-color: transparent;
@@ -3416,7 +3306,6 @@ GtkListBox .h4 {
   #panel_window .menubar .menu .menuitem {
     font: normal; }
 
-/* the login window */
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -3425,7 +3314,6 @@ GtkListBox .h4 {
   background-color: transparent;
   color: #5c616c; }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
 #content_frame {
   padding-bottom: 14px;
   background-color: #F5F6F7;
@@ -3456,7 +3344,6 @@ GtkListBox .h4 {
     #content_frame .button:insensitive > GtkLabel {
       color: inherit; }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -3494,13 +3381,10 @@ GtkListBox .h4 {
   #login_window #user_combobox .menu {
     font: normal; }
 
-/* the user's avatar box */
 #user_image {
   padding: 3px;
   border-radius: 2px; }
 
-/* the border around the user's avatar box */
-/* the shutdown button */
 #shutdown_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3520,7 +3404,6 @@ GtkListBox .h4 {
     background-color: #ec1b22;
     border-color: #ec1b22; }
 
-/* the restart button */
 #restart_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3540,7 +3423,6 @@ GtkListBox .h4 {
     background-color: #2e96c0;
     border-color: #2e96c0; }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold; }
@@ -3656,7 +3538,6 @@ NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {
   background-color: #353945; }
 
-/*Fix Nautilus transparency issues*/
 NautilusWindow NautilusWindowSlot {
   background-color: #ffffff; }
 
@@ -3861,7 +3742,6 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
   MarlinViewWindow .sidebar .scrollbar .slider:insensitive, GeditFileBrowserWidget .scrollbar .slider:insensitive {
     background-color: transparent; }
 
-/* GTK NAMED COLORS */
 @define-color theme_fg_color #5c616c;
 @define-color theme_text_color #5c616c;
 @define-color theme_bg_color #F5F6F7;
@@ -3887,6 +3767,7 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color error_color #FC4138;
 @define-color success_color #73d216;
 @define-color placeholder_text_color #A8A8A8;
+@define-color content_view_bg #ffffff;
 @define-color wm_title alpha(#cfdae7,0.8);
 @define-color wm_unfocused_title alpha(#cfdae7,0.5);
 @define-color wm_bg #2f343f;
@@ -3904,4 +3785,3 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color wm_icon_unfocused_bg #666A74;
 @define-color wm_icon_hover_bg #C4C7CC;
 @define-color wm_icon_active_bg #ffffff;
-@define-color content_view_bg #ffffff;
diff --git a/common/gtk-3.0/3.16/gtk-solid.css b/common/gtk-3.0/3.16/gtk-solid.css
index ec87ddd..6074163 100644
--- a/common/gtk-3.0/3.16/gtk-solid.css
+++ b/common/gtk-3.0/3.16/gtk-solid.css
@@ -28,19 +28,10 @@
   outline-width: 1px;
   outline-radius: 2px; }
 
-/***************
- * Base States *
- ***************/
 .background {
   color: #5c616c;
   background-color: #F5F6F7; }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
 *:insensitive {
   -gtk-image-effect: dim; }
 
@@ -117,9 +108,6 @@ GtkTextView {
   outline-color: rgba(186, 195, 207, 0.3);
   box-shadow: none; }
 
-/**********************
- * Spinner Animations *
- **********************/
 @keyframes spin {
   to {
     -gtk-icon-transform: rotate(1turn); } }
@@ -135,9 +123,6 @@ GtkTextView {
     .spinner:active:insensitive {
       opacity: 0.5; }
 
-/****************
- * Text Entries *
- ****************/
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -258,9 +243,6 @@ GtkTextView {
 GtkSearchEntry.entry {
   border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
 @keyframes needs_attention {
   from {
     background-image: -gtk-gradient(radial, center center, 0, center center, 0.01, to(#5294E2), to(transparent)); }
@@ -672,9 +654,6 @@ GtkSearchEntry.entry {
   .menuitem.button.flat:checked {
     color: #5c616c; }
 
-/*********
- * Links *
- *********/
 *:link, .button:link, .button:visited {
   color: #2679db; }
   *:link:visited, .button:visited {
@@ -692,9 +671,6 @@ GtkSearchEntry.entry {
   *:link:selected, .button:selected:link, .button:selected:visited, .header-bar.selection-mode .subtitle:link, .header-bar.titlebar.selection-mode .subtitle:link, *:selected *:link, *:selected .button:link, *:selected .button:visited {
     color: #dceaf9; }
 
-/*****************
- * GtkSpinButton *
- *****************/
 .spinbutton {
   border-radius: 3px; }
   .spinbutton .button {
@@ -772,9 +748,6 @@ GtkSearchEntry.entry {
     border-radius: 0;
     box-shadow: none; }
 
-/**************
- * ComboBoxes *
- **************/
 GtkComboBox {
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none; }
@@ -802,9 +775,6 @@ GtkComboBox {
     GtkComboBox.combobox-entry .button:dir(rtl):insensitive {
       box-shadow: inset -1px 0 rgba(207, 214, 230, 0.55); }
 
-/************
- * Toolbars *
- ************/
 .toolbar, .inline-toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -841,9 +811,6 @@ GtkComboBox {
 .action-bar {
   background-color: #edeef0; }
 
-/***************
- * Header bars *
- ***************/
 .header-bar {
   padding: 7px 7px 6px 7px;
   border-width: 0 0 1px;
@@ -1228,9 +1195,6 @@ GtkComboBox {
     background-image: linear-gradient(to bottom, #f5f5f7);
     border-color: rgba(82, 93, 118, 0.3); }
 
-/************
- * Pathbars *
- ************/
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px; }
@@ -1245,9 +1209,6 @@ GtkComboBox {
     padding-right: 4px;
     padding-left: 4px; }
 
-/**************
- * Tree Views *
- **************/
 GtkTreeView.view {
   -GtkTreeView-grid-line-width: 1;
   -GtkTreeView-grid-line-pattern: '';
@@ -1329,9 +1290,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     border-color: #F5F6F7;
     background-image: none; }
 
-/*********
- * Menus *
- *********/
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1395,9 +1353,6 @@ column-header .button, column-header .button:hover, column-header .button:active
 .menuitem .accelerator {
   color: alpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
 .popover {
   padding: 2px;
   border: 1px solid #cdd2d7;
@@ -1429,10 +1384,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .cursor-handle.bottom {
     -gtk-icon-source: -gtk-icontheme("selection-end-symbolic"); }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
 .notebook {
   padding: 0;
   background-color: #ffffff;
@@ -1565,9 +1516,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     .notebook.arrow:insensitive {
       color: rgba(92, 97, 108, 0.25); }
 
-/**************
- * Scrollbars *
- **************/
 .scrollbar {
   -GtkRange-slider-width: 13;
   -GtkRange-trough-border: 0;
@@ -1644,9 +1592,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .scrollbars-junction.frame:dir(rtl) {
     border-image-slice: 0 1 0 0; }
 
-/**********
- * Switch *
- **********/
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -1707,9 +1652,6 @@ GtkInfoBar GtkSwitch.trough:active:insensitive {
 .primary-toolbar GtkSwitch.trough:active:insensitive {
   background-image: -gtk-scaled(url("assets/switch-active-insensitive-header.png"), url("assets/switch-active-insensitive-header@2.png")); }
 
-/*************************
- * Check and Radio items *
- *************************/
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked.png"), url("assets/checkbox-unchecked@2.png")); }
 
@@ -1870,9 +1812,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   GtkCheckButton.text-button:insensitive, GtkCheckButton.text-button:insensitive:active, GtkCheckButton.text-button:insensitive:inconsistent, GtkRadioButton.text-button:insensitive, GtkRadioButton.text-button:insensitive:active, GtkRadioButton.text-button:insensitive:inconsistent {
     color: rgba(92, 97, 108, 0.55); }
 
-/************
- * GtkScale *
- ************/
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -1952,9 +1891,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
       GtkInfoBar .scale.trough:insensitive {
         background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1)); }
 
-/*****************
- * Progress bars *
- *****************/
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
@@ -1991,16 +1927,12 @@ GtkProgressBar.trough, .level-bar.trough {
   GtkInfoBar .level-bar.trough {
     background-color: rgba(0, 0, 0, 0.2); }
 
-/*************
- * Level Bar *
- *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3; }
-
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34; }
+  GtkLevelBar.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34; }
 
 .level-bar.trough {
   padding: 3px;
@@ -2024,9 +1956,6 @@ GtkLevelBar.vertical {
     background-color: rgba(92, 97, 108, 0.2);
     border-color: rgba(92, 97, 108, 0.2); }
 
-/**********
- * Frames *
- **********/
 .frame {
   border: 1px solid #dcdfe3;
   padding: 0; }
@@ -2053,9 +1982,6 @@ GtkScrolledWindow GtkViewport.frame {
   GtkFontButton .vertical.view.separator {
     -GtkWidget-wide-separators: true; }
 
-/*********
- * Lists *
- *********/
 .list, .list-row {
   background-color: #ffffff;
   border-color: #dcdfe3; }
@@ -2088,9 +2014,6 @@ GtkScrolledWindow GtkViewport.frame {
   .list-row:hover, list-row.button:hover {
     transition: none; }
 
-/*********************
- * App Notifications *
- *********************/
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2130,9 +2053,6 @@ GtkScrolledWindow GtkViewport.frame {
       border-color: rgba(26, 28, 34, 0.4);
       background-color: rgba(102, 109, 132, 0.25); }
 
-/*************
- * Expanders *
- *************/
 .expander {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   .expander:dir(rtl) {
@@ -2142,9 +2062,6 @@ GtkScrolledWindow GtkViewport.frame {
   .expander:checked {
     -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
 
-/************
- * Calendar *
- ***********/
 GtkCalendar {
   color: #5c616c;
   border: 1px solid #dcdfe3;
@@ -2172,9 +2089,6 @@ GtkCalendar {
   GtkCalendar.highlight {
     color: alpha(currentColor,0.55); }
 
-/***********
- * Dialogs *
- ***********/
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
@@ -2207,13 +2121,10 @@ GtkFileChooserDialog .search-bar {
 GtkFileChooserDialog .dialog-action-box {
   border-top: 1px solid #dcdfe3; }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+.sidebar, .sidebar .view {
   border: none;
   background-color: #F5F6F7; }
-  .sidebar:selected {
+  .sidebar:selected, .sidebar .view:selected {
     background-color: #5294E2; }
 
 GtkPlacesSidebar.sidebar .view {
@@ -2252,9 +2163,6 @@ GtkPaned.wide {
   GtkPaned.wide.vertical .pane-separator {
     border-style: solid none; }
 
-/**************
- * GtkInfoBar *
- **************/
 GtkInfoBar {
   border-style: none; }
 
@@ -2296,9 +2204,6 @@ GtkInfoBar {
       background-color: rgba(255, 255, 255, 0.2);
       border-color: rgba(255, 255, 255, 0.2); }
 
-/************
- * Tooltips *
- ************/
 .tooltip {
   color: #BAC3CF;
   border-radius: 2px; }
@@ -2313,9 +2218,6 @@ GtkInfoBar {
   background-color: transparent;
   color: inherit; }
 
-/*****************
- * Color Chooser *
- *****************/
 :selected GtkColorSwatch {
   box-shadow: none; }
   :selected GtkColorSwatch.overlay, :selected GtkColorSwatch.overlay:hover {
@@ -2383,9 +2285,6 @@ GtkColorButton.button {
   GtkColorButton.button GtkColorSwatch {
     border-radius: 0; }
 
-/********
- * Misc *
- ********/
 .scale-popup .button {
   padding: 6px; }
   .scale-popup .button:hover {
@@ -2397,14 +2296,89 @@ GtkColorButton.button {
 GtkVolumeButton.button {
   padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+.touch-selection,
+.context-menu {
+  font: initial; }
+
+.monospace {
+  font: Monospace; }
+
+.overshoot.top {
+  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center top;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.bottom {
+  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center bottom;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.left {
+  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: left center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.right {
+  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.undershoot.top {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-top: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center top; }
+
+.undershoot.bottom {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-bottom: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center bottom; }
+
+.undershoot.left {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-left: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: left center; }
+
+.undershoot.right {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-right: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: right center; }
+
 .window-frame {
   border-radius: 4px 4px 0 0;
   border-width: 0px;
   box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1), 0 8px 8px 0 rgba(0, 0, 0, 0.2);
-  /* this is used for the resize cursor area */
   margin: 10px; }
   .window-frame:backdrop {
     box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1), 0 5px 5px 0 rgba(0, 0, 0, 0.2); }
@@ -2514,86 +2488,6 @@ GtkVolumeButton.button {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
 
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial; }
-
-.monospace {
-  font: Monospace; }
-
-.overshoot.top {
-  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center top;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.bottom {
-  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center bottom;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.left {
-  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: left center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.right {
-  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.undershoot.top {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-top: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center top; }
-
-.undershoot.bottom {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-bottom: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center bottom; }
-
-.undershoot.left {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-left: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: left center; }
-
-.undershoot.right {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-right: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: right center; }
-
 GeditNotebook.notebook tab.reorderable-page.top:active, GeditNotebook.notebook tab.reorderable-page.top.active-page, GeditNotebook.notebook tab.reorderable-page.top.active-page:hover, GeditNotebook.notebook tab.top:active, GeditNotebook.notebook tab.top.active-page, GeditNotebook.notebook tab.top.active-page:hover,
 ScratchMainWindow .notebook tab.reorderable-page.top:active,
 ScratchMainWindow .notebook tab.reorderable-page.top.active-page,
@@ -2757,11 +2651,9 @@ NemoWindow .primary-toolbar NemoPathBar.linked > .button {
       color: #ffffff;
       background-color: #5294E2; }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: #5c616c; }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
   color: #aeb0b6;
   font-size: smaller; }
@@ -3397,13 +3289,11 @@ GraniteWidgetsXsEntry.entry {
 GtkListBox .h4 {
   padding-left: 6px; }
 
-/* the panel widget at the top */
 #panel_window {
   background-color: #2b2e37;
   color: #BAC3CF;
   font: bold;
-  box-shadow: inset 0 -1px #1b1d23;
-  /* the menubars/menus of the panel, i.e. indicators */ }
+  box-shadow: inset 0 -1px #1b1d23; }
   #panel_window .menubar,
   #panel_window .menubar > .menuitem {
     background-color: transparent;
@@ -3416,7 +3306,6 @@ GtkListBox .h4 {
   #panel_window .menubar .menu .menuitem {
     font: normal; }
 
-/* the login window */
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -3425,7 +3314,6 @@ GtkListBox .h4 {
   background-color: transparent;
   color: #5c616c; }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
 #content_frame {
   padding-bottom: 14px;
   background-color: #F5F6F7;
@@ -3456,7 +3344,6 @@ GtkListBox .h4 {
     #content_frame .button:insensitive > GtkLabel {
       color: inherit; }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -3494,13 +3381,10 @@ GtkListBox .h4 {
   #login_window #user_combobox .menu {
     font: normal; }
 
-/* the user's avatar box */
 #user_image {
   padding: 3px;
   border-radius: 2px; }
 
-/* the border around the user's avatar box */
-/* the shutdown button */
 #shutdown_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3520,7 +3404,6 @@ GtkListBox .h4 {
     background-color: #ec1b22;
     border-color: #ec1b22; }
 
-/* the restart button */
 #restart_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3540,7 +3423,6 @@ GtkListBox .h4 {
     background-color: #2e96c0;
     border-color: #2e96c0; }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold; }
@@ -3656,7 +3538,6 @@ NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {
   background-color: #353945; }
 
-/*Fix Nautilus transparency issues*/
 NautilusWindow NautilusWindowSlot {
   background-color: #ffffff; }
 
@@ -3861,7 +3742,6 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
   MarlinViewWindow .sidebar .scrollbar .slider:insensitive, GeditFileBrowserWidget .scrollbar .slider:insensitive {
     background-color: transparent; }
 
-/* GTK NAMED COLORS */
 @define-color theme_fg_color #5c616c;
 @define-color theme_text_color #5c616c;
 @define-color theme_bg_color #F5F6F7;
@@ -3887,6 +3767,7 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color error_color #FC4138;
 @define-color success_color #73d216;
 @define-color placeholder_text_color #A8A8A8;
+@define-color content_view_bg #ffffff;
 @define-color wm_title alpha(#525d76,0.8);
 @define-color wm_unfocused_title alpha(#525d76,0.5);
 @define-color wm_bg #e7e8eb;
@@ -3904,4 +3785,3 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color wm_icon_unfocused_bg #B6B8C0;
 @define-color wm_icon_hover_bg #7A7F8B;
 @define-color wm_icon_active_bg #ffffff;
-@define-color content_view_bg #ffffff;
diff --git a/common/gtk-3.0/3.16/gtk.css b/common/gtk-3.0/3.16/gtk.css
index 152f470..dd7a899 100644
--- a/common/gtk-3.0/3.16/gtk.css
+++ b/common/gtk-3.0/3.16/gtk.css
@@ -28,19 +28,10 @@
   outline-width: 1px;
   outline-radius: 2px; }
 
-/***************
- * Base States *
- ***************/
 .background {
   color: #5c616c;
   background-color: rgba(245, 246, 247, 0.999); }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
 *:insensitive {
   -gtk-image-effect: dim; }
 
@@ -117,9 +108,6 @@ GtkTextView {
   outline-color: rgba(186, 195, 207, 0.3);
   box-shadow: none; }
 
-/**********************
- * Spinner Animations *
- **********************/
 @keyframes spin {
   to {
     -gtk-icon-transform: rotate(1turn); } }
@@ -135,9 +123,6 @@ GtkTextView {
     .spinner:active:insensitive {
       opacity: 0.5; }
 
-/****************
- * Text Entries *
- ****************/
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -258,9 +243,6 @@ GtkTextView {
 GtkSearchEntry.entry {
   border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
 @keyframes needs_attention {
   from {
     background-image: -gtk-gradient(radial, center center, 0, center center, 0.01, to(#5294E2), to(transparent)); }
@@ -672,9 +654,6 @@ GtkSearchEntry.entry {
   .menuitem.button.flat:checked {
     color: #5c616c; }
 
-/*********
- * Links *
- *********/
 *:link, .button:link, .button:visited {
   color: #2679db; }
   *:link:visited, .button:visited {
@@ -692,9 +671,6 @@ GtkSearchEntry.entry {
   *:link:selected, .button:selected:link, .button:selected:visited, .header-bar.selection-mode .subtitle:link, .header-bar.titlebar.selection-mode .subtitle:link, *:selected *:link, *:selected .button:link, *:selected .button:visited {
     color: #dceaf9; }
 
-/*****************
- * GtkSpinButton *
- *****************/
 .spinbutton {
   border-radius: 3px; }
   .spinbutton .button {
@@ -772,9 +748,6 @@ GtkSearchEntry.entry {
     border-radius: 0;
     box-shadow: none; }
 
-/**************
- * ComboBoxes *
- **************/
 GtkComboBox {
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none; }
@@ -802,9 +775,6 @@ GtkComboBox {
     GtkComboBox.combobox-entry .button:dir(rtl):insensitive {
       box-shadow: inset -1px 0 rgba(207, 214, 230, 0.55); }
 
-/************
- * Toolbars *
- ************/
 .toolbar, .inline-toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -841,9 +811,6 @@ GtkComboBox {
 .action-bar {
   background-color: #edeef0; }
 
-/***************
- * Header bars *
- ***************/
 .header-bar {
   padding: 7px 7px 6px 7px;
   border-width: 0 0 1px;
@@ -1228,9 +1195,6 @@ GtkComboBox {
     background-image: linear-gradient(to bottom, rgba(245, 246, 247, 0.985));
     border-color: rgba(82, 93, 118, 0.3); }
 
-/************
- * Pathbars *
- ************/
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px; }
@@ -1245,9 +1209,6 @@ GtkComboBox {
     padding-right: 4px;
     padding-left: 4px; }
 
-/**************
- * Tree Views *
- **************/
 GtkTreeView.view {
   -GtkTreeView-grid-line-width: 1;
   -GtkTreeView-grid-line-pattern: '';
@@ -1329,9 +1290,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     border-color: #F5F6F7;
     background-image: none; }
 
-/*********
- * Menus *
- *********/
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1395,9 +1353,6 @@ column-header .button, column-header .button:hover, column-header .button:active
 .menuitem .accelerator {
   color: alpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
 .popover {
   padding: 2px;
   border: 1px solid #cdd2d7;
@@ -1429,10 +1384,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .cursor-handle.bottom {
     -gtk-icon-source: -gtk-icontheme("selection-end-symbolic"); }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
 .notebook {
   padding: 0;
   background-color: #ffffff;
@@ -1565,9 +1516,6 @@ column-header .button, column-header .button:hover, column-header .button:active
     .notebook.arrow:insensitive {
       color: rgba(92, 97, 108, 0.25); }
 
-/**************
- * Scrollbars *
- **************/
 .scrollbar {
   -GtkRange-slider-width: 13;
   -GtkRange-trough-border: 0;
@@ -1644,9 +1592,6 @@ column-header .button, column-header .button:hover, column-header .button:active
   .scrollbars-junction.frame:dir(rtl) {
     border-image-slice: 0 1 0 0; }
 
-/**********
- * Switch *
- **********/
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -1707,9 +1652,6 @@ GtkInfoBar GtkSwitch.trough:active:insensitive {
 .primary-toolbar GtkSwitch.trough:active:insensitive {
   background-image: -gtk-scaled(url("assets/switch-active-insensitive-header.png"), url("assets/switch-active-insensitive-header@2.png")); }
 
-/*************************
- * Check and Radio items *
- *************************/
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked.png"), url("assets/checkbox-unchecked@2.png")); }
 
@@ -1870,9 +1812,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   GtkCheckButton.text-button:insensitive, GtkCheckButton.text-button:insensitive:active, GtkCheckButton.text-button:insensitive:inconsistent, GtkRadioButton.text-button:insensitive, GtkRadioButton.text-button:insensitive:active, GtkRadioButton.text-button:insensitive:inconsistent {
     color: rgba(92, 97, 108, 0.55); }
 
-/************
- * GtkScale *
- ************/
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -1952,9 +1891,6 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
       GtkInfoBar .scale.trough:insensitive {
         background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1)); }
 
-/*****************
- * Progress bars *
- *****************/
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
@@ -1991,16 +1927,12 @@ GtkProgressBar.trough, .level-bar.trough {
   GtkInfoBar .level-bar.trough {
     background-color: rgba(0, 0, 0, 0.2); }
 
-/*************
- * Level Bar *
- *************/
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3; }
-
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34; }
+  GtkLevelBar.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34; }
 
 .level-bar.trough {
   padding: 3px;
@@ -2024,9 +1956,6 @@ GtkLevelBar.vertical {
     background-color: rgba(92, 97, 108, 0.2);
     border-color: rgba(92, 97, 108, 0.2); }
 
-/**********
- * Frames *
- **********/
 .frame {
   border: 1px solid #dcdfe3;
   padding: 0; }
@@ -2053,9 +1982,6 @@ GtkScrolledWindow GtkViewport.frame {
   GtkFontButton .vertical.view.separator {
     -GtkWidget-wide-separators: true; }
 
-/*********
- * Lists *
- *********/
 .list, .list-row {
   background-color: #ffffff;
   border-color: #dcdfe3; }
@@ -2088,9 +2014,6 @@ GtkScrolledWindow GtkViewport.frame {
   .list-row:hover, list-row.button:hover {
     transition: none; }
 
-/*********************
- * App Notifications *
- *********************/
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2130,9 +2053,6 @@ GtkScrolledWindow GtkViewport.frame {
       border-color: rgba(26, 28, 34, 0.35);
       background-color: rgba(102, 109, 132, 0.2); }
 
-/*************
- * Expanders *
- *************/
 .expander {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   .expander:dir(rtl) {
@@ -2142,9 +2062,6 @@ GtkScrolledWindow GtkViewport.frame {
   .expander:checked {
     -gtk-icon-source: -gtk-icontheme("pan-down-symbolic"); }
 
-/************
- * Calendar *
- ***********/
 GtkCalendar {
   color: #5c616c;
   border: 1px solid #dcdfe3;
@@ -2172,9 +2089,6 @@ GtkCalendar {
   GtkCalendar.highlight {
     color: alpha(currentColor,0.55); }
 
-/***********
- * Dialogs *
- ***********/
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
@@ -2207,13 +2121,10 @@ GtkFileChooserDialog .search-bar {
 GtkFileChooserDialog .dialog-action-box {
   border-top: 1px solid #dcdfe3; }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+.sidebar, .sidebar .view {
   border: none;
   background-color: #F5F6F7; }
-  .sidebar:selected {
+  .sidebar:selected, .sidebar .view:selected {
     background-color: #5294E2; }
 
 GtkPlacesSidebar.sidebar .view {
@@ -2252,9 +2163,6 @@ GtkPaned.wide {
   GtkPaned.wide.vertical .pane-separator {
     border-style: solid none; }
 
-/**************
- * GtkInfoBar *
- **************/
 GtkInfoBar {
   border-style: none; }
 
@@ -2296,9 +2204,6 @@ GtkInfoBar {
       background-color: rgba(255, 255, 255, 0.2);
       border-color: rgba(255, 255, 255, 0.2); }
 
-/************
- * Tooltips *
- ************/
 .tooltip {
   color: #BAC3CF;
   border-radius: 2px; }
@@ -2313,9 +2218,6 @@ GtkInfoBar {
   background-color: transparent;
   color: inherit; }
 
-/*****************
- * Color Chooser *
- *****************/
 :selected GtkColorSwatch {
   box-shadow: none; }
   :selected GtkColorSwatch.overlay, :selected GtkColorSwatch.overlay:hover {
@@ -2383,9 +2285,6 @@ GtkColorButton.button {
   GtkColorButton.button GtkColorSwatch {
     border-radius: 0; }
 
-/********
- * Misc *
- ********/
 .scale-popup .button {
   padding: 6px; }
   .scale-popup .button:hover {
@@ -2397,14 +2296,89 @@ GtkColorButton.button {
 GtkVolumeButton.button {
   padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+.touch-selection,
+.context-menu {
+  font: initial; }
+
+.monospace {
+  font: Monospace; }
+
+.overshoot.top {
+  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center top;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.bottom {
+  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 100% 60%;
+  background-repeat: no-repeat;
+  background-position: center bottom;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.left {
+  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: left center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.overshoot.right {
+  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
+  background-size: 60% 100%;
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-color: transparent;
+  border: none;
+  box-shadow: none; }
+
+.undershoot.top {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-top: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center top; }
+
+.undershoot.bottom {
+  background-color: transparent;
+  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-bottom: 1px;
+  background-size: 10px 1px;
+  background-repeat: repeat-x;
+  background-origin: content-box;
+  background-position: center bottom; }
+
+.undershoot.left {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-left: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: left center; }
+
+.undershoot.right {
+  background-color: transparent;
+  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
+  padding-right: 1px;
+  background-size: 1px 10px;
+  background-repeat: repeat-y;
+  background-origin: content-box;
+  background-position: right center; }
+
 .window-frame {
   border-radius: 4px 4px 0 0;
   border-width: 0px;
   box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1), 0 8px 8px 0 rgba(0, 0, 0, 0.2);
-  /* this is used for the resize cursor area */
   margin: 10px; }
   .window-frame:backdrop {
     box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1), 0 5px 5px 0 rgba(0, 0, 0, 0.2); }
@@ -2514,86 +2488,6 @@ GtkVolumeButton.button {
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
 
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial; }
-
-.monospace {
-  font: Monospace; }
-
-.overshoot.top {
-  background-image: -gtk-gradient(radial, center top, 0, center top, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center top;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.bottom {
-  background-image: -gtk-gradient(radial, center bottom, 0, center bottom, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 100% 60%;
-  background-repeat: no-repeat;
-  background-position: center bottom;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.left {
-  background-image: -gtk-gradient(radial, left center, 0, left center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: left center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.overshoot.right {
-  background-image: -gtk-gradient(radial, right center, 0, right center, 0.6, from(rgba(82, 148, 226, 0.2)), to(rgba(82, 148, 226, 0)));
-  background-size: 60% 100%;
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-color: transparent;
-  border: none;
-  box-shadow: none; }
-
-.undershoot.top {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-top: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center top; }
-
-.undershoot.bottom {
-  background-color: transparent;
-  background-image: linear-gradient(to left, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-bottom: 1px;
-  background-size: 10px 1px;
-  background-repeat: repeat-x;
-  background-origin: content-box;
-  background-position: center bottom; }
-
-.undershoot.left {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-left: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: left center; }
-
-.undershoot.right {
-  background-color: transparent;
-  background-image: linear-gradient(to top, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.2) 50%);
-  padding-right: 1px;
-  background-size: 1px 10px;
-  background-repeat: repeat-y;
-  background-origin: content-box;
-  background-position: right center; }
-
 GeditNotebook.notebook tab.reorderable-page.top:active, GeditNotebook.notebook tab.reorderable-page.top.active-page, GeditNotebook.notebook tab.reorderable-page.top.active-page:hover, GeditNotebook.notebook tab.top:active, GeditNotebook.notebook tab.top.active-page, GeditNotebook.notebook tab.top.active-page:hover,
 ScratchMainWindow .notebook tab.reorderable-page.top:active,
 ScratchMainWindow .notebook tab.reorderable-page.top.active-page,
@@ -2757,11 +2651,9 @@ NemoWindow .primary-toolbar NemoPathBar.linked > .button {
       color: #ffffff;
       background-color: #5294E2; }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: #5c616c; }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
   color: #aeb0b6;
   font-size: smaller; }
@@ -3397,13 +3289,11 @@ GraniteWidgetsXsEntry.entry {
 GtkListBox .h4 {
   padding-left: 6px; }
 
-/* the panel widget at the top */
 #panel_window {
   background-color: rgba(43, 46, 55, 0.95);
   color: #BAC3CF;
   font: bold;
-  box-shadow: inset 0 -1px rgba(27, 29, 35, 0.95);
-  /* the menubars/menus of the panel, i.e. indicators */ }
+  box-shadow: inset 0 -1px rgba(27, 29, 35, 0.95); }
   #panel_window .menubar,
   #panel_window .menubar > .menuitem {
     background-color: transparent;
@@ -3416,7 +3306,6 @@ GtkListBox .h4 {
   #panel_window .menubar .menu .menuitem {
     font: normal; }
 
-/* the login window */
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -3425,7 +3314,6 @@ GtkListBox .h4 {
   background-color: transparent;
   color: #5c616c; }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
 #content_frame {
   padding-bottom: 14px;
   background-color: #F5F6F7;
@@ -3456,7 +3344,6 @@ GtkListBox .h4 {
     #content_frame .button:insensitive > GtkLabel {
       color: inherit; }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -3494,13 +3381,10 @@ GtkListBox .h4 {
   #login_window #user_combobox .menu {
     font: normal; }
 
-/* the user's avatar box */
 #user_image {
   padding: 3px;
   border-radius: 2px; }
 
-/* the border around the user's avatar box */
-/* the shutdown button */
 #shutdown_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3520,7 +3404,6 @@ GtkListBox .h4 {
     background-color: #ec1b22;
     border-color: #ec1b22; }
 
-/* the restart button */
 #restart_button.button {
   background-clip: border-box;
   color: #ffffff;
@@ -3540,7 +3423,6 @@ GtkListBox .h4 {
     background-color: #2e96c0;
     border-color: #2e96c0; }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold; }
@@ -3656,7 +3538,6 @@ NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {
   background-color: rgba(53, 57, 69, 0.95); }
 
-/*Fix Nautilus transparency issues*/
 NautilusWindow NautilusWindowSlot {
   background-color: #ffffff; }
 
@@ -3861,7 +3742,6 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
   MarlinViewWindow .sidebar .scrollbar .slider:insensitive, GeditFileBrowserWidget .scrollbar .slider:insensitive {
     background-color: transparent; }
 
-/* GTK NAMED COLORS */
 @define-color theme_fg_color #5c616c;
 @define-color theme_text_color #5c616c;
 @define-color theme_bg_color #F5F6F7;
@@ -3887,6 +3767,7 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color error_color #FC4138;
 @define-color success_color #73d216;
 @define-color placeholder_text_color #A8A8A8;
+@define-color content_view_bg #ffffff;
 @define-color wm_title alpha(#525d76,0.8);
 @define-color wm_unfocused_title alpha(#525d76,0.5);
 @define-color wm_bg #e7e8eb;
@@ -3904,4 +3785,3 @@ MarlinViewWindow .source-list.sidebar.view .scrollbar .slider, GeditFileBrowserW
 @define-color wm_icon_unfocused_bg #B6B8C0;
 @define-color wm_icon_hover_bg #7A7F8B;
 @define-color wm_icon_active_bg #ffffff;
-@define-color content_view_bg #ffffff;
diff --git a/common/gtk-3.0/3.16/sass/_applications.scss b/common/gtk-3.0/3.16/sass/_applications.scss
index 2b3ecd7..36dbbef 100644
--- a/common/gtk-3.0/3.16/sass/_applications.scss
+++ b/common/gtk-3.0/3.16/sass/_applications.scss
@@ -200,12 +200,10 @@ NemoWindow {
   }
 }
 
-/* Only normal state is handle */
 .open-document-selector-name-label {
   color: $fg_color;
 }
 
-/* Only normal state is handle */
 .open-document-selector-path-label {
     color: mix($fg_color, $base_color, 50%);
     font-size: smaller;
diff --git a/common/gtk-3.0/3.16/sass/_colors-public.scss b/common/gtk-3.0/3.16/sass/_colors-public.scss
index 4203b0c..8807853 100644
--- a/common/gtk-3.0/3.16/sass/_colors-public.scss
+++ b/common/gtk-3.0/3.16/sass/_colors-public.scss
@@ -1,5 +1,4 @@
 //apps rely on some named colors to be exported
-/* GTK NAMED COLORS */
 
 // Sass thinks we're using the colors in the variables as strings and may shoot
 // warning, it's innocuous and can be defeated by using "" + $var
@@ -30,6 +29,8 @@
 @define-color success_color #{"" + $success_color};
 @define-color placeholder_text_color #A8A8A8;
 
+@define-color content_view_bg #{"" + $base_color};
+
 //WM
 $wm_highlight: lighten(opacify($header_bg, 1), 3%);
 $wm_bg_unfocused: opacify($header_bg_backdrop, 1);
@@ -63,8 +64,3 @@ $wm_bg_unfocused: opacify($header_bg_backdrop, 1);
 @define-color wm_icon_hover_bg #{"" + $wm_icon_hover_bg};
 @define-color wm_icon_active_bg #{"" + $wm_icon_active_bg};
 
-
-//FIXME this is really an API
-
-@define-color content_view_bg #{"" + $base_color};
-
diff --git a/common/gtk-3.0/3.16/sass/_common.scss b/common/gtk-3.0/3.16/sass/_common.scss
index 059a9ae..fa89856 100644
--- a/common/gtk-3.0/3.16/sass/_common.scss
+++ b/common/gtk-3.0/3.16/sass/_common.scss
@@ -15,11 +15,6 @@ $darker_asset_suffix: if($darker=='true', '-dark', $asset_suffix);
   -GtkCheckButton-indicator-size: 16;
   -GtkCheckMenuItem-indicator-size: 16;
 
-  // The size for scrollbars. The slider is 2px smaller, but we keep it
-  // up so that the whole area is sensitive to button presses for the
-  // slider. The stepper button is larger in both directions, the slider
-  // only in the width
-
   -GtkScrolledWindow-scrollbar-spacing: 0;
   -GtkScrolledWindow-scrollbars-within-bevel: 1;
 
@@ -47,9 +42,6 @@ $darker_asset_suffix: if($darker=='true', '-dark', $asset_suffix);
   -GtkStatusbar-shadow-type: none;
 
   // We use the outline properties to signal the focus properties
-  // to the adwaita engine: using real CSS properties is faster,
-  // and we don't use any outlines for now.
-
   outline-color: transparentize($fg_color, 0.7);
   outline-style: dashed;
   outline-offset: -3px;
@@ -58,22 +50,14 @@ $darker_asset_suffix: if($darker=='true', '-dark', $asset_suffix);
 }
 
 
-/***************
- * Base States *
- ***************/
-
+//
+// Base States
+//
 .background {
   color: $fg_color;
   background-color: if($transparency == 'true', transparentize($bg_color, 0.001), $bg_color); // without this headerbar transparency doesn't seem to work
 }
 
-/*
-   These wildcard seems unavoidable, need to investigate.
-   Wildcards are bad and troublesome, use them with care,
-   or better, just don't.
-   Everytime a wildcard is used a kitten dies, painfully.
-*/
-
 *:insensitive {
   -gtk-image-effect: dim;
 }
@@ -181,10 +165,9 @@ GtkTextView { // This will get overridden by .view, needed by gedit line numbers
   box-shadow: none;
 }
 
-/**********************
- * Spinner Animations *
- **********************/
-
+//
+// Spinner Animations
+//
 @keyframes spin {
   to { -gtk-icon-transform: rotate(1turn); }
 }
@@ -205,10 +188,9 @@ GtkTextView { // This will get overridden by .view, needed by gedit line numbers
   }
 }
 
-/****************
- * Text Entries *
- ****************/
-
+//
+// Text Entries
+//
 .entry {
   border: 1px solid;
   padding: 5px 8px 6px;
@@ -348,10 +330,9 @@ GtkTextView { // This will get overridden by .view, needed by gedit line numbers
 
 GtkSearchEntry.entry { border-radius: 20px; }
 
-/***********
- * Buttons *
- ***********/
-
+//
+// Buttons
+//
 // stuff for .needs-attention
 $_dot_color: $selected_bg_color;
 
@@ -372,7 +353,6 @@ $_dot_color: $selected_bg_color;
   }
 }
 
-
 .button {
   $_button_transition: all 200ms $ease-out-quad;
 
@@ -385,7 +365,7 @@ $_dot_color: $selected_bg_color;
 
   @include button(normal);
 
-  &.flat { 
+  &.flat {
     @include button(undecorated);
     background-color: transparentize($button_bg, 1);
     border-color: transparentize($button_border, 1);
@@ -751,10 +731,9 @@ $_linked_separator_color: if($variant=='light', transparentize($button_border, 0
   &:checked { color: $fg_color; }
 }
 
-/*********
- * Links *
- *********/
-
+//
+// Links
+//
 *:link {
   color: $link_color;
   &:visited {
@@ -782,10 +761,9 @@ $_linked_separator_color: if($variant=='light', transparentize($button_border, 0
   }
 }
 
-/*****************
- * GtkSpinButton *
- *****************/
-
+//
+// Spinbuttons
+//
 .spinbutton {
   border-radius: 3px;
 
@@ -796,8 +774,7 @@ $_linked_separator_color: if($variant=='light', transparentize($button_border, 0
     color: mix($fg_color,$base_color,95%);
     border-radius: 0;
     box-shadow: none;
-  //  padding-left: 6px;
-  //  padding-right: 6px;
+
     &:dir(rtl) { border-style: none solid none none; }
     &:first-child { color: red; }
 
@@ -873,8 +850,6 @@ $_linked_separator_color: if($variant=='light', transparentize($button_border, 0
       }
     }
     &.entry {
-      // we should remove the bottom edge hilight here, but seems
-      // like buttons are on top of it so it doesn't show up
       border-radius: 0;
       padding-left: 5px;
       padding-right: 5px;
@@ -899,16 +874,18 @@ $_linked_separator_color: if($variant=='light', transparentize($button_border, 0
   }
 }
 
-/**************
- * ComboBoxes *
- **************/
+//
+// Comboboxes
+//
 GtkComboBox {
-  > .button { padding-top: 3px; padding-bottom: 4px; } // Otherwise combos
-                                                       // are bigger then
-                                                       // buttons
   -GtkComboBox-arrow-scaling: 0.5;
   -GtkComboBox-shadow-type: none;
 
+  > .button {                       // Otherwise combos
+    padding-top: 3px;               // are bigger than
+    padding-bottom: 4px;            // buttons
+  }
+
   &:insensitive {
     color: $insensitive_fg_color;
   }
@@ -974,9 +951,9 @@ GtkComboBox {
 .linked.vertical > GtkComboBoxText:only-child > .button,
 .linked.vertical > GtkComboBox:only-child > .button { @extend %linked_vertical:only-child; }
 
-/************
- * Toolbars *
- ************/
+//
+// Toolbars
+//
 .toolbar {
   -GtkWidget-window-dragging: true;
   padding: 4px;
@@ -1026,10 +1003,9 @@ GtkComboBox {
 
 .action-bar { background-color: darken($bg_color, 3%) }
 
-/***************
- * Header bars *
- ***************/
-
+//
+// Headerbars
+//
 .header-bar {
   padding: 7px 7px 6px 7px;
 
@@ -1193,7 +1169,7 @@ GtkComboBox {
 }
 
 %header_widgets {
-  // Header-bar Entries
+  // Headerbar Entries
   .entry {
     @include entry(header-normal);
 
@@ -1237,7 +1213,7 @@ GtkComboBox {
     }
   }
 
-  // Header-bar Buttons
+  // Headerbar Buttons
   .button {
 
     @include button(header-normal);
@@ -1290,7 +1266,7 @@ GtkComboBox {
       }
     }
 
-  // Header-bar Suggested and Destructive Action buttons
+  // Headerbar Suggested and Destructive Action buttons
   @each $b_type, $b_color in (suggested-action, $suggested_color),
                              (destructive-action, $destructive_color) {
     .button.#{$b_type} {
@@ -1316,7 +1292,7 @@ GtkComboBox {
     }
   }
 
-  // Header-bar Spinbuttons
+  // Headerbar Spinbuttons
   & .spinbutton {
 
     &:focus .button {
@@ -1334,7 +1310,7 @@ GtkComboBox {
     }
   }
 
-  // Header-bar ComboBoxes
+  // Headerbar ComboBoxes
   & GtkComboBox{
     &:insensitive { color: transparentize($header_fg, 0.6); }
 
@@ -1367,7 +1343,7 @@ GtkComboBox {
     }
   }
 
-  // Header-bar Switches
+  // Headerbar Switches
   GtkSwitch {
     &:backdrop { opacity: 0.75; }
   }
@@ -1379,7 +1355,7 @@ GtkComboBox {
     &:backdrop { opacity: 0.75; }
   }
 
-  // Header-bar Scale
+  // Headerbar Scale
   .scale {
 
     &:backdrop { opacity: 0.75; }
@@ -1413,9 +1389,9 @@ GtkComboBox {
   }
 }
 
-/************
- * Pathbars *
- ************/
+//
+// Pathbars
+//
 .path-bar .button {
   padding-left: 6px;
   padding-right: 6px;
@@ -1431,9 +1407,9 @@ GtkComboBox {
   GtkLabel:only-child, GtkLabel { padding-right: 4px; padding-left: 4px; }
 }
 
-/**************
- * Tree Views *
- **************/
+//
+// Tree Views
+//
 GtkTreeView.view {                                      // treeview grid lines and expanders, unfortunatelly
                                                         // the tree lines color can't be set
   -GtkTreeView-grid-line-width: 1;
@@ -1559,9 +1535,9 @@ column-header.button.dnd { // for treeview-like derive widgets
   }
 }
 
-/*********
- * Menus *
- *********/
+//
+// Menus
+//
 .menubar {
   -GtkWidget-window-dragging: true;
   padding: 0px;
@@ -1639,10 +1615,9 @@ column-header.button.dnd { // for treeview-like derive widgets
 
 .menuitem .accelerator { color: gtkalpha(currentColor,0.55); }
 
-/************
- * Popovers *
- ************/
-
+//
+// Popovers
+//
 .popover {
   padding: 2px;
   border: 1px solid darken($borders_color, 5%);
@@ -1676,17 +1651,10 @@ column-header.button.dnd { // for treeview-like derive widgets
   &.bottom { -gtk-icon-source: -gtk-icontheme('selection-end-symbolic'); }
 }
 
-/*****************
- * Notebooks and *
- * Tabs          *
- *****************/
-
+//
+// Notebooks and Tabs
+//
 .notebook {
-  // Through me you go to the grief wracked city;
-  // Through me you go to everlasting pain;
-  // Through me you go a pass among lost souls.
-  // ...
-  // Abandon all hope — Ye Who Enter Here
   padding: 0;
   background-color: $base_color;
   -GtkNotebook-initial-gap: 4;
@@ -1700,15 +1668,13 @@ column-header.button.dnd { // for treeview-like derive widgets
 
   &.frame {
     border: 1px solid $borders_color;
-    // FIXME doesn't work
+
     &.top { border-top-width: 0; }
     &.bottom { border-bottom-width: 0; }
     &.right { border-right-width: 0; }
     &.left { border-left-width: 0; }
   }
   &.header {
-    // FIXME: double borders in some case, can't fix it w/o a class tho
-    // FIXME: doesn't work on dark var
     background-color: $bg_color;
 
     // this is the shading of the header behind the tabs
@@ -1721,18 +1687,10 @@ column-header.button.dnd { // for treeview-like derive widgets
     }
 
     $_header_border: $borders_color;
-    &.top {
-      box-shadow: inset 0 -1px $_header_border; // border
-    }
-    &.bottom {
-      box-shadow: inset 0 1px $_header_border;
-    }
-    &.right {
-      box-shadow: inset 1px 0 $_header_border;
-    }
-    &.left {
-      box-shadow: inset -1px 0 $_header_border;
-    }
+    &.top {    box-shadow: inset  0   -1px $_header_border; }
+    &.bottom { box-shadow: inset  0    1px $_header_border; }
+    &.right {  box-shadow: inset  1px  0   $_header_border; }
+    &.left {   box-shadow: inset -1px  0   $_header_border; }
   }
   tab {
     border-width: 0;
@@ -1853,10 +1811,9 @@ column-header.button.dnd { // for treeview-like derive widgets
   }
 }
 
-/**************
- * Scrollbars *
- **************/
-
+//
+// Scrollbars
+//
 $_scrollbar_bg_color: darken($base_color, 1%);
 
 .scrollbar {
@@ -1990,9 +1947,9 @@ $_scrollbar_bg_color: darken($base_color, 1%);
 }
 
 
-/**********
- * Switch *
- **********/
+//
+// Switches
+//
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
@@ -2034,13 +1991,9 @@ GtkSwitch {
   }
 }
 
-/*************************
- * Check and Radio items *
- *************************/
-
-// draw regular check and radio items using our PNG assets
-// all assets are rendered from assets.svg. never add pngs directly
-
+//
+// Check and Radio items *
+//
 @each $w,$a in ('check', 'checkbox'),
                ('radio','radio') {
 
@@ -2074,7 +2027,7 @@ GtkSwitch {
   }
 }
 
-//selection-mode
+// Selectionmode
 @each $s,$as in ('','-selectionmode'),
                   (':checked', '-checked-selectionmode') {
   GtkIconView.view.check#{$s},
@@ -2097,9 +2050,9 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   }
 }
 
-/************
- * GtkScale *
- ************/
+//
+// GtkScale
+//
 .scale {
   -GtkScale-slider-length: 15;
   -GtkRange-slider-width: 15;
@@ -2206,15 +2159,13 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
   }
 }
 
-/*****************
- * Progress bars *
- *****************/
-
+//
+// Progress bars
+//
 GtkProgressBar {
   padding: 0;
   font-size: smaller;
   color: transparentize($fg_color, 0.3);
-  //@include _shadows(_button_shadow(normal));
 
   &.osd {
     -GtkProgressBar-xspacing: 0;
@@ -2253,24 +2204,22 @@ GtkProgressBar.trough {
     border-style: none;
     background-color: transparent;
     box-shadow: none;
-    //FIXME: there is a margin on top
   }
   .list-row:selected &,
   GtkInfoBar & { background-color: transparentize(black, 0.8); }
 }
 
-/*************
- * Level Bar *
- *************/
-
+//
+// Level Bar
+//
 GtkLevelBar {
   -GtkLevelBar-min-block-width: 34;
   -GtkLevelBar-min-block-height: 3;
-}
 
-GtkLevelBar.vertical {
-  -GtkLevelBar-min-block-width: 3;
-  -GtkLevelBar-min-block-height: 34;
+  &.vertical {
+    -GtkLevelBar-min-block-width: 3;
+    -GtkLevelBar-min-block-height: 34;
+  }
 }
 
 .level-bar {
@@ -2306,9 +2255,9 @@ GtkLevelBar.vertical {
 }
 
 
-/**********
- * Frames *
- **********/
+//
+// Frames
+//
 .frame {
   border: 1px solid $borders_color;
   &.flat { border-style: none; }
@@ -2342,10 +2291,9 @@ GtkScrolledWindow {
   }
 }
 
-/*********
- * Lists *
- *********/
-
+//
+// Lists
+//
 .list, .list-row {
   background-color: $base_color;
   border-color: $borders_color;
@@ -2390,10 +2338,9 @@ GtkScrolledWindow {
   &:hover { transition: none; }
 }
 
-/*********************
- * App Notifications *
- *********************/
-
+//
+// App Notifications
+//
 .app-notification,
 .app-notification.frame {
   padding: 10px;
@@ -2419,10 +2366,9 @@ GtkScrolledWindow {
   }
 }
 
-/*************
- * Expanders *
- *************/
-
+//
+// Expanders
+//
 .expander {
   -gtk-icon-source: -gtk-icontheme('pan-end-symbolic');
   &:dir(rtl) { -gtk-icon-source: -gtk-icontheme('pan-end-symbolic-rtl'); }
@@ -2430,9 +2376,9 @@ GtkScrolledWindow {
   &:checked { -gtk-icon-source: -gtk-icontheme('pan-down-symbolic'); }
 }
 
-/************
- * Calendar *
- ***********/
+//
+// Calendar
+//
 GtkCalendar {
   color: $fg_color;
   border: 1px solid $borders_color;
@@ -2465,9 +2411,9 @@ GtkCalendar {
   &.highlight { color: gtkalpha(currentColor,0.55); }
 }
 
-/***********
- * Dialogs *
- ***********/
+//
+// Dialogs
+//
 .message-dialog .dialog-action-area .button {
   padding: 8px;
 }
@@ -2521,10 +2467,10 @@ GtkFileChooserDialog {
   }
 }
 
-/***********
- * Sidebar *
- ***********/
-.sidebar {
+//
+// Sidebar
+//
+.sidebar, .sidebar .view {
   border: none;
   background-color: $bg_color;
 
@@ -2590,9 +2536,9 @@ GtkPaned.wide {                     // this is for the paned with wide separator
   &.vertical .pane-separator { border-style: solid none;}
 }
 
-/**************
- * GtkInfoBar *
- **************/
+//
+// GtkInfoBar
+//
 GtkInfoBar {
   border-style: none;
 
@@ -2648,9 +2594,9 @@ GtkInfoBar {
   }
 }
 
-/************
- * Tooltips *
- ************/
+//
+// Tooltips
+//
 .tooltip {
   &.background {
     // background-color needs to be set this way otherwise it gets drawn twice
@@ -2673,9 +2619,9 @@ GtkInfoBar {
   color: inherit; // just to be sure
 }
 
-/*****************
- * Color Chooser *
- *****************/
+//
+// Color Chooser
+//
 
 GtkColorSwatch {
   // This widget is made of two boxes one on top of the other, the lower box is GtkColorSwatch {} the other one
@@ -2759,9 +2705,9 @@ GtkColorButton.button {
   GtkColorSwatch { border-radius: 0; }
 }
 
-/********
- * Misc *
- ********/
+//
+// Misc *
+//
 .scale-popup .button { // +/- buttons on GtkVolumeButton popup
   padding: 6px;
   &:hover {
@@ -2771,23 +2717,49 @@ GtkColorButton.button {
 
 GtkVolumeButton.button { padding: 8px; }
 
-/**********************
- * Window Decorations *
- *********************/
+// Decouple the font of context menus from their entry/textview
+.touch-selection,
+.context-menu { font: initial;}
+
+.monospace { font: Monospace; }
+
+//
+// Overshoot
+//
+// This is used by GtkScrolledWindow, when content is touch-dragged past boundaries.
+// This draws a box on top of the content, the size changes programmatically.
+.overshoot {
+  &.top { @include overshoot(top); }
+  &.bottom { @include overshoot(bottom); }
+  &.left { @include overshoot(left); }
+  &.right { @include overshoot(right); }
+}
+
+//
+// Undershoot
+//
+// Overflow indication, works similarly to the overshoot, the size if fixed tho.
+.undershoot {
+  &.top { @include undershoot(top); }
+  &.bottom { @include undershoot(bottom); }
+  &.left { @include undershoot(left); }
+  &.right { @include undershoot(right); }
+}
+
+//
+// Window Decorations
+//
 
 .window-frame {
   border-radius: if($darker=='false' and $variant=='light', 4px 4px 0 0, 3px 3px 0 0);
-  // lamefun trick to get rounded borders regardless of CSD use
   border-width: 0px;
 
-  // this needs to be transparent
-  // see bug #722563
   $_wm_border: if($variant=='light', transparentize(black, 0.9), transparentize(black, 0.45));
 
   box-shadow: 0 0 0 1px if($darker=='true' or $variant == 'dark', darken($header_bg, 7%), $_wm_border),
               0 8px 8px 0 if($variant == 'light', opacify($_wm_border, 0.1), transparentize($_wm_border, 0.2));
 
-  /* this is used for the resize cursor area */
+  // this is used for the resize cursor area
   margin: 10px;
 
   &:backdrop {
@@ -2880,45 +2852,10 @@ GtkVolumeButton.button { padding: 8px; }
   }
 }
 
-
-// catch all extend :)
-
+// catch all extend
 %selected_items {
   background-image: none;
   background-color: $selected_bg_color;
   color: $selected_fg_color;
   outline-color: transparentize($selected_fg_color, 0.7);
 }
-
-/* Decouple the font of context menus from their entry/textview */
-.touch-selection,
-.context-menu {
-  font: initial;
-}
-
-.monospace {
-  font: Monospace;
-}
-
-//
-// Overshoot
-//
-// This is used by GtkScrolledWindow, when content is touch-dragged past boundaries.
-// This draws a box on top of the content, the size changes programmatically.
-.overshoot {
-  &.top { @include overshoot(top); }
-  &.bottom { @include overshoot(bottom); }
-  &.left { @include overshoot(left); }
-  &.right { @include overshoot(right); }
-}
-
-//
-// Undershoot
-//
-// Overflow indication, works similarly to the overshoot, the size if fixed tho.
-.undershoot {
-  &.top { @include undershoot(top); }
-  &.bottom { @include undershoot(bottom); }
-  &.left { @include undershoot(left); }
-  &.right { @include undershoot(right); }
-}
diff --git a/common/gtk-3.0/3.16/sass/_lightdm.scss b/common/gtk-3.0/3.16/sass/_lightdm.scss
index 0879a5a..89cdfcd 100644
--- a/common/gtk-3.0/3.16/sass/_lightdm.scss
+++ b/common/gtk-3.0/3.16/sass/_lightdm.scss
@@ -1,11 +1,11 @@
-/* the panel widget at the top */
+// the panel widget at the top
 #panel_window {
   background-color: $panel_bg;
   color: $panel_fg;
   font: bold;
   box-shadow: inset 0 -1px darken($panel_bg, 7%);
 
-  /* the menubars/menus of the panel, i.e. indicators */
+  // the menubars/menus of the panel, i.e. indicators
   .menubar,
   .menubar > .menuitem {
     background-color: transparent;
@@ -21,7 +21,7 @@
   .menubar .menu .menuitem { font: normal; }
 }
 
-/* the login window */
+// the login window
 #login_window,
 #shutdown_dialog,
 #restart_dialog {
@@ -31,7 +31,7 @@
   color: $fg_color;
 }
 
-/* the top half of the login-window, in GtkDialog terms, the content */
+// the top half of the login-window, in GtkDialog terms, the content
 #content_frame {
   padding-bottom: 14px;
   background-color: $bg_color;
@@ -49,7 +49,7 @@
   &:insensitive { @include button(insensitive); }
 }
 
-/* the lower half of the login-window, in GtkDialog terms the buttonbox or action area */
+// the lower half of the login-window, in GtkDialog terms the buttonbox or action area
 #buttonbox_frame {
   padding-top: 20px;
   padding-bottom: 0px;
@@ -78,16 +78,16 @@
   .arrow {}
 }
 
-/* the user's avatar box */
+// the user's avatar box
 #user_image {
   padding: 3px;
   border-radius: 2px;
 }
 
-/* the border around the user's avatar box */
+// the border around the user's avatar box
 #user_image_border {}
 
-/* the shutdown button */
+// the shutdown button
 #shutdown_button.button {
   @include button(suggested_destructive, $destructive_color);
 
@@ -95,7 +95,7 @@
   &:active, &:checked { @include button(suggested_destructive, darken($destructive_color, 10%)); }
 }
 
-/* the restart button */
+// the restart button
 #restart_button.button {
   @include button(suggested_destructive, $suggested_color);
 
@@ -103,7 +103,7 @@
   &:active, &:checked { @include button(suggested_destructive, darken($suggested_color, 10%)); }
 }
 
-/* the warning, in case a wrong password is entered or something else goes wrong according to PAM */
+// the warning, in case a wrong password is entered or something else goes wrong according to PAM
 #greeter_infobar {
   border-bottom-width: 0;
   font: bold;
diff --git a/common/gtk-3.0/3.16/sass/_transparent_widgets.scss b/common/gtk-3.0/3.16/sass/_transparent_widgets.scss
index e3e8909..7d1e0c9 100644
--- a/common/gtk-3.0/3.16/sass/_transparent_widgets.scss
+++ b/common/gtk-3.0/3.16/sass/_transparent_widgets.scss
@@ -58,7 +58,7 @@ NautilusWindow .pane-separator,
 NemoWindow.background > GtkGrid > GtkPaned > .pane-separator,
 MarlinViewWindow.background > GtkBox > GtkPaned > .pane-separator {background-color: $dark_sidebar_border}
 
-/*Fix Nautilus transparency issues*/
+// Fix Nautilus transparency issues
 NautilusWindow NautilusWindowSlot { background-color: $base_color; }
 NautilusDesktopWindow NautilusWindowSlot { background-color: transparent; }
 
diff --git a/common/gtk-3.0/3.16/sass/gtk-dark.scss b/common/gtk-3.0/3.16/sass/gtk-dark.scss
index f47d7b5..529ee3d 100644
--- a/common/gtk-3.0/3.16/sass/gtk-dark.scss
+++ b/common/gtk-3.0/3.16/sass/gtk-dark.scss
@@ -1,8 +1,3 @@
-// General guidelines:
-// - very unlikely you want to edit something else than _common.scss
-// - keep the number of defined colors to a minimum, use the color blending functions if
-//   you need a subtle shade
-
 $variant: 'dark';
 $darker: 'false';
 $transparency: 'true';
diff --git a/common/gtk-3.0/3.16/sass/gtk-darker.scss b/common/gtk-3.0/3.16/sass/gtk-darker.scss
index 63166d2..34b8f81 100644
--- a/common/gtk-3.0/3.16/sass/gtk-darker.scss
+++ b/common/gtk-3.0/3.16/sass/gtk-darker.scss
@@ -1,8 +1,3 @@
-// General guidelines:
-// - very unlikely you want to edit something else than _common.scss
-// - keep the number of defined colors to a minimum, use the color blending functions if
-//   you need a subtle shade
-
 $variant: 'light';
 $darker: 'true';
 $transparency: 'true';
diff --git a/common/gtk-3.0/3.16/sass/gtk-solid-dark.scss b/common/gtk-3.0/3.16/sass/gtk-solid-dark.scss
index 157292d..959d8b1 100644
--- a/common/gtk-3.0/3.16/sass/gtk-solid-dark.scss
+++ b/common/gtk-3.0/3.16/sass/gtk-solid-dark.scss
@@ -1,8 +1,3 @@
-// General guidelines:
-// - very unlikely you want to edit something else than _common.scss
-// - keep the number of defined colors to a minimum, use the color blending functions if
-//   you need a subtle shade
-
 $variant: 'dark';
 $darker: 'false';
 $transparency: 'false';
diff --git a/common/gtk-3.0/3.16/sass/gtk-solid-darker.scss b/common/gtk-3.0/3.16/sass/gtk-solid-darker.scss
index 03ba34b..45b7dbe 100644
--- a/common/gtk-3.0/3.16/sass/gtk-solid-darker.scss
+++ b/common/gtk-3.0/3.16/sass/gtk-solid-darker.scss
@@ -1,8 +1,3 @@
-// General guidelines:
-// - very unlikely you want to edit something else than _common.scss
-// - keep the number of defined colors to a minimum, use the color blending functions if
-//   you need a subtle shade
-
 $variant: 'light';
 $darker: 'true';
 $transparency: 'false';
diff --git a/common/gtk-3.0/3.16/sass/gtk-solid.scss b/common/gtk-3.0/3.16/sass/gtk-solid.scss
index 347cf2c..28ff2b6 100644
--- a/common/gtk-3.0/3.16/sass/gtk-solid.scss
+++ b/common/gtk-3.0/3.16/sass/gtk-solid.scss
@@ -1,8 +1,3 @@
-// General guidelines:
-// - very unlikely you want to edit something else than _common.scss
-// - keep the number of defined colors to a minimum, use the color blending functions if
-//   you need a subtle shade
-
 $variant: 'light';
 $darker: 'false';
 $transparency: 'false';
diff --git a/common/gtk-3.0/3.16/sass/gtk.scss b/common/gtk-3.0/3.16/sass/gtk.scss
index c45d673..9bb0348 100644
--- a/common/gtk-3.0/3.16/sass/gtk.scss
+++ b/common/gtk-3.0/3.16/sass/gtk.scss
@@ -1,8 +1,3 @@
-// General guidelines:
-// - very unlikely you want to edit something else than _common.scss
-// - keep the number of defined colors to a minimum, use the color blending functions if
-//   you need a subtle shade
-
 $variant: 'light';
 $darker: 'false';
 $transparency: 'true';