Merge branch 'firefox-42-beta'42.2015110341.20151103

127 files changed, 3094 insertions, 1930 deletions

diff --git a/Makefile.am b/Makefile.am
index 780235a..1fe7cb8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,6 +25,7 @@ if ENABLE_LIGHT
 
 	cp $(lighttempdir)/chrome/browser/sass/browser-light.css $(lighttempdir)/chrome/browser/browser.css
 	rm -rf $(lighttempdir)/chrome/browser/sass
+	rm $(lighttempdir)/chrome/overrides.sh
 
 	cd $(lighttempdir) && \
 		zip -FS -r ../arc-firefox-theme-$(VERSION).xpi *
@@ -37,6 +38,7 @@ if ENABLE_DARKER
 
 	cp $(darkertempdir)/chrome/browser/sass/browser-darker.css $(darkertempdir)/chrome/browser/browser.css
 	rm -rf $(darkertempdir)/chrome/browser/sass
+	rm $(darkertempdir)/chrome/overrides.sh
 
 	sed -i 's/arc-theme/arc-darker-theme/' $(darkertempdir)/chrome.manifest
 	sed -i 's/arc-theme/arc-darker-theme/' $(darkertempdir)/install.rdf
@@ -55,6 +57,7 @@ if ENABLE_DARK
 
 	cp $(darktempdir)/chrome/browser/sass/browser-dark.css $(darktempdir)/chrome/browser/browser.css
 	rm -rf $(darktempdir)/chrome/browser/sass
+	rm $(darktempdir)/chrome/overrides.sh
 
 	sed -i 's/arc-theme/arc-dark-theme/' $(darktempdir)/chrome.manifest
 	sed -i 's/arc-theme/arc-dark-theme/' $(darktempdir)/install.rdf
diff --git a/arc-firefox-theme/chrome.manifest b/arc-firefox-theme/chrome.manifest
index 9ff6fa0..4bb97cb 100644
--- a/arc-firefox-theme/chrome.manifest
+++ b/arc-firefox-theme/chrome.manifest
@@ -2,19 +2,3 @@ skin    browser         arc-theme   chrome/browser/
 skin    communicator    arc-theme   chrome/communicator/
 skin    global          arc-theme   chrome/global/
 skin    mozapps         arc-theme   chrome/mozapps/
-
-override chrome://browser/skin/feeds/audioFeedIcon.png chrome://browser/skin/feeds/feedIcon.png
-override chrome://browser/skin/feeds/audioFeedIcon16.png chrome://browser/skin/feeds/feedIcon16.png
-override chrome://browser/skin/feeds/videoFeedIcon.png chrome://browser/skin/feeds/feedIcon.png
-override chrome://browser/skin/feeds/videoFeedIcon16.png chrome://browser/skin/feeds/feedIcon16.png
-override chrome://global/skin/arrow/arrow-lft-hov.gif chrome://global/skin/arrow/arrow-lft.gif
-override chrome://global/skin/arrow/arrow-rit-hov.gif chrome://global/skin/arrow/arrow-rit.gif
-override chrome://mozapps/skin/extensions/category-dictionaries.png chrome://mozapps/skin/extensions/dictionaryGeneric.png
-override chrome://mozapps/skin/extensions/category-experiments.png chrome://mozapps/skin/extensions/experimentGeneric.png
-override chrome://mozapps/skin/extensions/category-extensions.png chrome://mozapps/skin/extensions/extensionGeneric.png
-override chrome://mozapps/skin/extensions/category-languages.png chrome://mozapps/skin/extensions/localeGeneric.png
-override chrome://mozapps/skin/extensions/category-themes.png chrome://mozapps/skin/extensions/themeGeneric.png
-override chrome://mozapps/skin/passwordmgr/key.png chrome://mozapps/skin/passwordmgr/key-16.png
-override chrome://mozapps/skin/plugins/notifyPluginCrashed.png chrome://mozapps/skin/plugins/pluginGeneric-16.png
-override chrome://mozapps/skin/plugins/notifyPluginGeneric.png chrome://mozapps/skin/plugins/pluginGeneric-16.png
-override chrome://mozapps/skin/xpinstall/xpinstallItemGeneric.png chrome://mozapps/skin/extensions/extensionGeneric.png
diff --git a/arc-firefox-theme/chrome/browser/bad-content-blocked-16.png b/arc-firefox-theme/chrome/browser/bad-content-blocked-16.png
deleted file mode 100644
index 7cf33ec..0000000
--- a/arc-firefox-theme/chrome/browser/bad-content-blocked-16.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/bad-content-blocked-16@2x.png b/arc-firefox-theme/chrome/browser/bad-content-blocked-16@2x.png
deleted file mode 100644
index c2e49b3..0000000
--- a/arc-firefox-theme/chrome/browser/bad-content-blocked-16@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/bad-content-blocked-64.png b/arc-firefox-theme/chrome/browser/bad-content-blocked-64.png
deleted file mode 100644
index 75cf7f9..0000000
--- a/arc-firefox-theme/chrome/browser/bad-content-blocked-64.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/bad-content-unblocked-16.png b/arc-firefox-theme/chrome/browser/bad-content-unblocked-16.png
deleted file mode 100644
index 2bf0868..0000000
--- a/arc-firefox-theme/chrome/browser/bad-content-unblocked-16.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/bad-content-unblocked-64.png b/arc-firefox-theme/chrome/browser/bad-content-unblocked-64.png
deleted file mode 100644
index 54eb9f3..0000000
--- a/arc-firefox-theme/chrome/browser/bad-content-unblocked-64.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/browser.css b/arc-firefox-theme/chrome/browser/browser.css
index 82ffb11..f7ed613 100644
--- a/arc-firefox-theme/chrome/browser/browser.css
+++ b/arc-firefox-theme/chrome/browser/browser.css
@@ -62,8 +62,8 @@
 #TabsToolbar:not([collapsed="true"]) + #nav-bar {
   border-top: 1px solid rgba(212, 213, 219, 0.95) !important;
   background-clip: padding-box;
-  margin-top: -1px;
   /* Move up into the TabsToolbar for the inner highlight at the top of the nav-bar */
+  margin-top: calc(-1 * var(--navbar-tab-toolbar-highlight-overlap));
   /* Position the toolbar above the bottom of background tabs */
   position: relative;
   z-index: 1; }
@@ -99,7 +99,7 @@
 /* Places toolbar */
 toolbarbutton.bookmark-item:not(.subviewbutton),
 #personal-bookmarks[cui-areatype="toolbar"]:not([overflowedItem=true]) > #bookmarks-toolbar-placeholder {
-  margin: 1px;
+  margin: 0;
   padding: 2px 3px; }
 
 toolbarbutton.bookmark-item:not(.subviewbutton):not(:hover):not(:active):not([open]) {
@@ -283,7 +283,7 @@ menuitem.bookmark-item {
   opacity: 0.7; }
 
 /* Stock icons for the menu bar items */
-menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
+menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip):not([endimage]) {
   -moz-binding: url("chrome://global/content/bindings/menu.xml#menuitem-iconic"); }
 
 #placesContext_open\:newwindow,
@@ -442,10 +442,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 #panelMenu_unsortedBookmarks {
   list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png"); }
 
-#menu_readingList,
-#BMB_readingList {
-  list-style-image: url("chrome://browser/skin/readinglist/readinglist-icon.svg"); }
-
 #panelMenu_pocket,
 #menu_pocket,
 #BMB_pocket {
@@ -495,7 +491,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 .findbar-button > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon {
   -moz-margin-end: 0;
   padding: 2px 6px;
@@ -505,13 +501,13 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-duration: 150ms; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 /* Help SDK icons fit: */
 toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon,
-toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   width: 16px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon {
@@ -531,7 +527,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open]:not([disabled=true]) > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-icon {
   background: var(--toolbarbutton-hover-background);
   border-width: 1px;
@@ -553,7 +549,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 .findbar-button:not([disabled=true]):-moz-any([checked="true"], :hover:active) > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([open="true"]) > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: var(--toolbarbutton-active-background);
   box-shadow: var(--toolbarbutton-active-boxshadow);
@@ -564,7 +560,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: none;
   color: #ffffff;
@@ -604,9 +600,9 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   transform: scaleX(-1); }
 
 #forward-button {
+  padding: 0;
   margin-left: 2px;
-  margin-right: 2px;
-  padding: 0; }
+  margin-right: 2px; }
 
 /* tabview menu item */
 #menu_tabview {
@@ -743,6 +739,13 @@ toolbar[brighttext] #sync-button[status="active"] {
 #PanelUI-menu-button {
   -moz-image-region: rect(0, 486px, 18px, 468px); }
 
+#PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger.png") !important;
+  -moz-image-region: auto !important; }
+
+toolbar[brighttext] #PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger-inverted.png") !important; }
+
 #edit-controls:not(:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])) > #cut-button {
   -moz-image-region: rect(0, 504px, 18px, 486px); }
 
@@ -785,33 +788,33 @@ toolbar[brighttext] #sync-button[status="active"] {
 #web-apps-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 720px, 18px, 702px); }
 
-#loop-button > .toolbarbutton-badge-container {
+#loop-button {
   list-style-image: url("chrome://browser/skin/custom_images/light/loop-toolbar-icons.svg");
   -moz-image-region: rect(0, 18px, 18px, 0); }
-  #TabsToolbar #loop-button > .toolbarbutton-badge-container {
+  #TabsToolbar #loop-button {
     list-style-image: url("chrome://browser/skin/custom_images/light/loop-tabbar-icons.svg"); }
 
-#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
-#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container {
-  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg"); }
+#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active),
+#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg") !important; }
 
-#loop-button[state="disabled"] > .toolbarbutton-badge-container,
-#loop-button[disabled="true"] > .toolbarbutton-badge-container {
+#loop-button[state="disabled"],
+#loop-button[disabled="true"] {
   -moz-image-region: rect(0, 36px, 18px, 18px); }
 
-#loop-button:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="error"] {
   -moz-image-region: rect(0, 54px, 18px, 36px); }
 
-#loop-button:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"] {
   -moz-image-region: rect(0, 72px, 18px, 54px); }
 
-#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 90px, 18px, 72px); }
 
-#loop-button:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"] {
   -moz-image-region: rect(0, 108px, 18px, 90px); }
 
-#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 126px, 18px, 108px); }
 
 #webide-button[cui-areatype="toolbar"] {
@@ -975,32 +978,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel.png);
     -moz-image-region: rect(0, 32px, 32px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 32px, 32px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 64px, 32px, 32px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 96px, 32px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 128px, 32px, 96px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 160px, 32px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 192px, 32px, 160px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 224px, 32px, 192px); }
 
   /* Wide panel control icons */
@@ -1119,32 +1122,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel@2x.png);
     -moz-image-region: rect(0, 64px, 64px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 64px, 64px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 128px, 64px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 192px, 64px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 256px, 64px, 192px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 320px, 64px, 256px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 384px, 64px, 320px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 448px, 64px, 384px); }
 
   #new-tab-button[cui-areatype="menu-panel"],
@@ -1282,7 +1285,7 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar,
 .searchbar-textbox {
   -moz-appearance: none;
-  padding: 3px;
+  padding: 2px 3px;
   border-radius: 3px;
   margin: 0 3px;
   color: #5c616c;
@@ -1314,6 +1317,25 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar-icons {
   -moz-box-align: center; }
 
+#urlbar-search-footer {
+  border-top: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  color: inherit;
+  margin: 0;
+  border: 0;
+  padding: 8px 20px;
+  background: transparent; }
+
+#urlbar-search-settings:hover {
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings:hover:active {
+  background-color: rgba(24, 26, 27, 0.12); }
+
 #urlbar-search-splitter {
   -moz-appearance: none;
   width: 8px; }
@@ -1330,14 +1352,57 @@ toolbar[brighttext] #sync-button[status="active"] {
   -moz-margin-start: 0;
   color: GrayText; }
 
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] {
+  border-bottom: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07);
+  padding: 6px 0;
+  -moz-padding-start: 44px;
+  -moz-padding-end: 6px;
+  background-image: url("chrome://browser/skin/info.svg");
+  background-clip: padding-box;
+  background-position: 20px center;
+  background-repeat: no-repeat;
+  background-size: 16px 16px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"]:-moz-locale-dir(rtl) {
+  background-position: right 20px center; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description {
+  margin: 0;
+  padding: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description > label.text-link {
+  -moz-margin-start: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  min-width: 80px;
+  border-radius: 3px;
+  padding: 4px 16px;
+  margin: 0;
+  -moz-margin-start: 10px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"] {
+  color: #616161;
+  background-color: #e0e0e0;
+  border: 1px solid #d1d1d1; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"]:hover {
+  background-color: #d6d6d6; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"] {
+  color: white;
+  background-color: #67cc14;
+  border: 1px solid #67cc14; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"]:hover {
+  background-color: #5eba12; }
+
 #search-container {
   min-width: calc(54px + 11ch); }
 
 /* identity box */
-#identity-box {
-  padding: 1px;
-  font-size: .9em; }
-
 #identity-box:-moz-locale-dir(ltr) {
   border-top-left-radius: 1.5px;
   border-bottom-left-radius: 1.5px; }
@@ -1346,133 +1411,99 @@ toolbar[brighttext] #sync-button[status="active"] {
   border-top-right-radius: 1.5px;
   border-bottom-right-radius: 1.5px; }
 
-#notification-popup-box:not([hidden]) + #identity-box {
-  border-radius: 0; }
-
-window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
-  border-radius: 0; }
-
-/* forward button hiding is delayed when hovered */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  -moz-margin-end: 4px; }
-
-#identity-box.verifiedIdentity:not(:-moz-lwtheme) {
-  background-color: var(--verified-identity-box-backgroundcolor); }
+#identity-box.verifiedIdentity:not(:-moz-lwtheme):not(:hover):not([open=true]) {
+  background-color: var(--identity-box-verified-background-color); }
 
 #identity-box:-moz-focusring {
   outline: 1px dotted #000;
   outline-offset: -3px; }
 
-#identity-icon-labels {
-  -moz-padding-start: 2px;
-  -moz-padding-end: 5px; }
-
-:root {
+#identity-box {
   --identity-box-verified-color: #479900;
-  --identity-box-verified-background-image: linear-gradient(transparent 15%, rgba(39, 74, 8, 0.2) 15%, rgba(39, 74, 8, 0.2) 85%, transparent 85%);
   --identity-box-chrome-color: #e57300;
-  --identity-box-chrome-background-image: linear-gradient(transparent 15%, rgba(229, 114, 0, 0.5) 15%, rgba(229, 114, 0, 0.5) 85%, transparent 85%); }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  background-position: right;
-  background-size: 1px;
-  background-repeat: no-repeat; }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI:-moz-locale-dir(rtl),
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity:-moz-locale-dir(rtl) {
-  background-position: left; }
+  border-inline-end: 1px solid var(--urlbar-separator-color);
+  border-image: linear-gradient(transparent 15%, var(--urlbar-separator-color) 15%, var(--urlbar-separator-color) 85%, transparent 85%);
+  border-image-slice: 1;
+  font-size: .9em;
+  padding: 3px 5px 3px 3px;
+  margin-inline-end: 4px;
+  overflow: hidden; }
 
 #urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  color: var(--identity-box-verified-color);
-  background-image: var(--identity-box-verified-background-image); }
+  color: var(--identity-box-verified-color); }
 
 #urlbar[pageproxystate="valid"] > #identity-box.chromeUI {
-  color: var(--identity-box-chrome-color);
-  background-image: var(--identity-box-chrome-background-image); }
-
-/* page proxy icon */
-#page-proxy-favicon {
-  width: 16px;
-  height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-icons-generic.png); }
+  color: var(--identity-box-chrome-color); }
 
-.chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.png); }
-
-.verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https.png); }
-
-.verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-ev.png); }
+#identity-icon-labels {
+  padding-inline-start: 2px; }
 
-.mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active.png); }
+#notification-popup-box:not([hidden]) + #identity-box {
+  padding-inline-start: 5px;
+  border-radius: 0; }
 
-.mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
+  border-radius: 0; }
 
-.mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+/* TRACKING PROTECTION ICON */
+#tracking-protection-icon {
+  width: 16px;
+  height: 16px;
+  margin-inline-start: 0;
+  margin-inline-end: 2px;
+  list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
+  opacity: 1; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#tracking-protection-icon[state="loaded-tracking-content"] {
+  list-style-image: url(chrome://browser/skin/tracking-protection-disabled-16.svg); }
 
-@media not all and (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    -moz-image-region: rect(0, 16px, 16px, 0); }
+#tracking-protection-icon[animate] {
+  transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 32px, 16px, 16px); }
+#tracking-protection-icon:not([state]) {
+  margin-inline-start: -18px;
+  pointer-events: none;
+  opacity: 0;
+  /* Only animate the shield in, when it disappears hide it immediately. */
+  transition: none; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 48px, 16px, 32px); } }
-@media (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    list-style-image: url(chrome://browser/skin/identity-icons-generic@2x.png);
-    -moz-image-region: rect(0, 32px, 32px, 0); }
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+  visibility: collapse; }
 
-  .chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://branding/content/identity-icons-brand@2x.png); }
+/* MAIN IDENTITY ICON */
+#page-proxy-favicon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
 
-  .verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https@2x.png); }
+.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
 
-  .verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-ev@2x.png); }
+.verifiedDomain > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.verifiedIdentity > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg); }
 
-  .mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active@2x.png); }
+.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
 
-  .mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.weakCipher > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContentLoadedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg); }
 
-  .mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 64px, 32px, 32px); }
+#page-proxy-favicon[pageproxystate="invalid"] {
+  opacity: 0.3; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 96px, 32px, 64px); } }
-#urlbar[actiontype="searchengine"] > #identity-box > #page-proxy-favicon {
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icons > #page-proxy-favicon {
   -moz-image-region: inherit;
   list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
   width: 16px;
   height: 16px;
   opacity: 1; }
 
-#page-proxy-favicon {
-  margin-top: 1px;
-  margin-bottom: 1px;
-  -moz-margin-start: 3px;
-  -moz-margin-end: 1px; }
-
 .popup-notification-icon {
   width: 64px;
   height: 64px;
@@ -1525,13 +1556,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 .popup-notification-icon[popupid="webapps-install"] {
   list-style-image: url(chrome://global/skin/icons/webapps-64.png); }
 
-.popup-notification-icon[popupid="bad-content"] {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-64.png); }
-
-.popup-notification-icon[popupid="bad-content"][mixedblockdisabled],
-.popup-notification-icon[popupid="bad-content"][trackingblockdisabled] {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-64.png); }
-
 .popup-notification-icon[popupid="webRTC-sharingDevices"],
 .popup-notification-icon[popupid="webRTC-shareDevices"] {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-64.png); }
@@ -1637,14 +1661,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
     opacity: 0; }
   to {
     opacity: 1; } }
-.bad-content-blocked-notification-icon,
-#bad-content-blocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-16.png); }
-
-.bad-content-unblocked-notification-icon,
-#bad-content-unblocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-16.png); }
-
 .webRTC-shareDevices-notification-icon,
 #webRTC-shareDevices-notification-icon {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-16.png); }
@@ -1763,9 +1779,7 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 
 /* Notification icon box */
 #notification-popup-box {
-  border-radius: 2.5px 0 0 2.5px;
-  margin-top: -1px;
-  margin-bottom: -1px; }
+  border-radius: 2.5px 0 0 2.5px; }
 
 .notification-anchor-icon:-moz-focusring {
   outline: 1px dotted -moz-DialogText; }
@@ -1938,7 +1952,9 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   width: 16px;
   height: 16px; }
 
-.ac-comment {
+.ac-comment,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
   font-size: 1.05em; }
 
 .ac-extra > .ac-comment {
@@ -2055,33 +2071,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 #page-report-button {
   list-style-image: url("chrome://browser/skin/Info.png"); }
 
-/* Reading List button */
-#urlbar:not([focused]):not(:hover) #readinglist-addremove-button {
-  opacity: 0;
-  width: 0px; }
-
-#readinglist-addremove-button {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage");
-  -moz-image-region: rect(0, 14px, 14px, 0);
-  transition: width 150ms ease-in-out, opacity 150ms ease-in-out 150ms;
-  opacity: 1;
-  width: 20px; }
-
-#readinglist-addremove-button:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-hover"); }
-
-#readinglist-addremove-button:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-active"); }
-
-#readinglist-addremove-button[already-added="true"] {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded"); }
-
-#readinglist-addremove-button[already-added="true"]:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-hover"); }
-
-#readinglist-addremove-button[already-added="true"]:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-active"); }
-
 /* Reader mode button */
 #reader-mode-button {
   list-style-image: url("chrome://browser/skin/readerMode.svg");
@@ -2276,12 +2265,11 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 /* Tabstrip */
 :root {
   --tab-toolbar-navbar-overlap: 1px;
+  --navbar-tab-toolbar-highlight-overlap: 1px;
   --tab-min-height: 31px; }
 
 #TabsToolbar {
-  --tab-separator-image: url(chrome://browser/skin/tabbrowser/tab-separator.png);
-  --tab-separator-size: 3px 100%;
-  --tab-separator-opacity: 1; }
+  --tab-stroke-background-size: auto 100%; }
 
 /* image preloading hack */
 #tabbrowser-tabs::before {
@@ -2331,6 +2319,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 .tab-throbber,
 .tab-icon-image,
+.tab-icon-sound,
 .tab-close-button {
   margin-top: 1px; }
 
@@ -2346,14 +2335,33 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 .tab-icon-overlay {
   width: 16px;
   height: 16px;
-  margin-top: 10px;
+  margin-top: -12px;
   -moz-margin-start: -16px;
-  display: none; }
+  position: relative; }
 
 .tab-icon-overlay[crashed] {
-  display: -moz-box;
   list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg"); }
 
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]) {
+  border-radius: 8px; }
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover {
+  background-color: white; }
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
 .tab-throbber[busy] {
   list-style-image: url("chrome://browser/skin/custom_images/connecting.png"); }
 
@@ -2369,6 +2377,48 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-margin-end: -2px;
   padding: 0; }
 
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0; }
+
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab"); }
+
+.tab-icon-sound[soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-hover"); }
+
+.tab-icon-sound[soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-pressed"); }
+
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-muted"); }
+
+.tab-icon-sound[muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-hover"); }
+
+.tab-icon-sound[muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-hover"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted-hover"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted-pressed"); }
+
 .tab-background,
 .tabs-newtab-button {
   /* overlap the tab curves */
@@ -2385,7 +2435,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: url(chrome://browser/skin/custom_images/light/tabs/tab-overflow-indicator.png);
   background-size: 100% 100%;
   width: 14px;
-  margin-bottom: var(--tab-toolbar-navbar-overlap);
+  margin-bottom: var(--navbar-tab-toolbar-highlight-overlap);
   pointer-events: none;
   position: relative;
   z-index: 3;
@@ -2476,7 +2526,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: transparent;
   background-image: url(chrome://browser/skin/custom_images/light/tabs/tab-middle.svg);
   background-repeat: repeat-x;
-  background-size: auto 100%;
+  background-size: var(--tab-stroke-background-size);
   /* The padding-top combined with background-clip: content-box (the bottom-most) ensure the
      background-color doesn't extend above the top border. */
   padding-top: 2px; }
@@ -2489,7 +2539,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
                                                                                                                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
-  background-size: auto 100%, auto 100%, auto auto; }
+  background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
 
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
@@ -2516,6 +2566,9 @@ lwtHeader;*/
 
 .tab-background-middle,
 .tabs-newtab-button,
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-sound,
 .tab-close-button {
   pointer-events: auto; }
 
@@ -2531,6 +2584,8 @@ lwtHeader;*/
   background-repeat: no-repeat;
   background-size: 85% 100%; }
 
+/* Tab separators */
+/* Also show separators beside the selected tab when dragging it. */
 /* New tab button */
 .tabs-newtab-button {
   width: calc(36px + 30px); }
@@ -2553,8 +2608,9 @@ lwtHeader;*/
 #TabsToolbar:not(:-moz-lwtheme):-moz-system-metric(menubar-drag) {
   -moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar-drag"); }
 
-.tabbrowser-tab:focus > .tab-stack > .tab-content > .tab-label {
-  outline: 1px dotted; }
+.tabbrowser-tab:focus > .tab-stack > .tab-content {
+  outline: 1px dotted;
+  outline-offset: -6px; }
 
 #context_reloadTab {
   list-style-image: url("moz-icon://stock/gtk-refresh?size=menu"); }
@@ -2759,19 +2815,12 @@ toolbarbutton.chevron > .toolbarbutton-icon {
   padding: 30px 50px;
   box-shadow: 0 0 2px white; }
 
-#full-screen-warning-container[obscure-browser] {
-  background-color: rgba(0, 0, 0, 0.3); }
-
 .full-screen-description {
   font-size: 150%; }
 
 #full-screen-domain-text {
   font-size: 300%; }
 
-.full-screen-approval-button,
-#full-screen-remember-decision {
-  font-size: 120%; }
-
 /* Responsive Mode */
 .browserContainer[responsivemode] {
   background-color: #222;
@@ -3297,23 +3346,6 @@ notification.pluginVulnerable {
 notification.pluginVulnerable .messageImage {
   list-style-image: url("chrome://browser/skin/notification-pluginBlocked.png"); }
 
-.popup-notification-item-title[popupid="bad-content"] {
-  font-weight: bold; }
-
-.popup-notification-item-message[popupid="bad-content"] {
-  width: 17em; }
-
-.popup-notification-item-message[popupid="bad-content"][mixedblockdisabled]:not(.popup-notification-item-message-critical),
-.popup-notification-item-message[popupid="bad-content"][trackingblockdisabled]:not(.popup-notification-item-message-critical) {
-  color: GrayText; }
-
-.popup-notification-item-message-critical[popupid="bad-content"] {
-  color: #d74345;
-  font-style: italic; }
-
-.popup-notification-footer[popupid="bad-content"] {
-  padding-top: 1em; }
-
 #notification-popup[popupid="login-fill"] > .panel-arrowcontainer > .panel-arrowcontent {
   /* Since we display a sliding subview that extends to the border, we cannot
    * keep the default padding of arrow panels. We use the same padding in the
@@ -3963,13 +3995,13 @@ toolbarpaletteitem[notransition][place="panel"] {
   transition: none; }
 
 toolbarpaletteitem > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon,
+toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon,
 toolbarpaletteitem > toolbaritem.panel-wide-item,
 toolbarpaletteitem > toolbarbutton[type="menu-button"] {
   transition: transform 0.3s cubic-bezier(0.6, 2, 0.75, 1.5) !important; }
 
 toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   transform: scale(1.3); }
 
 toolbarpaletteitem[mousedown] > toolbaritem.panel-wide-item,
@@ -4289,9 +4321,11 @@ toolbarpaletteitem[place="toolbar"] {
   margin: 24px -16px -16px;
   padding: 2em 15px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button {
   margin: 0 15px; }
 
+#UITourTooltipButtons > label:first-child,
 #UITourTooltipButtons > button:first-child {
   -moz-margin-start: 0; }
 
@@ -4300,6 +4334,7 @@ toolbarpaletteitem[place="toolbar"] {
   height: 16px;
   -moz-margin-end: 5px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button .button-text {
   font-size: 1.15rem; }
 
@@ -4319,6 +4354,7 @@ toolbarpaletteitem[place="toolbar"] {
   border-color: rgba(24, 26, 27, 0.15);
   box-shadow: 0 1px 0 0 rgba(24, 26, 27, 0.05) inset; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button.button-link {
   -moz-appearance: none;
   background: transparent;
@@ -4538,3 +4574,6 @@ notification.heartbeat {
   /* override toolkit/themes/linux/global/menu.css */
   -moz-padding-end: 0 !important;
   -moz-margin-end: 0 !important; }
+
+.browser-action-panel > .panel-arrowcontainer > .panel-arrowcontent {
+  padding: 0; }
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/arrow-subview-back.svg b/arc-firefox-theme/chrome/browser/controlcenter/arrow-subview-back.svg
new file mode 100644
index 0000000..8566d63
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/arrow-subview-back.svg
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <polygon fill="#fff" points="12,3.5 10.5,2 4.625,8 10.5,14 12,12.5 7.625,8" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/conn-degraded.svg b/arc-firefox-theme/chrome/browser/controlcenter/conn-degraded.svg
new file mode 100644
index 0000000..e3e82c1
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/conn-degraded.svg
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="24" height="24" viewBox="0 0 24 24">
+  <style>
+    .icon-default {
+      fill: #808080;
+    }
+  </style>
+
+  <defs>
+    <rect id="shape-lock-clasp-outer" x="5" y="1" width="14" height="20" rx="7" ry="7" />
+    <rect id="shape-lock-clasp-inner" x="8" y="4" width="8" height="14" rx="4" ry="4" />
+    <rect id="shape-lock-base" x="3" y="10" width="18" height="13" rx="1.5" ry="1.5" />
+
+    <mask id="mask-clasp-cutout">
+      <rect width="24" height="24" fill="#000" />
+      <use xlink:href="#shape-lock-clasp-outer" fill="#fff" />
+      <use xlink:href="#shape-lock-clasp-inner" fill="#000" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-lock-clasp-outer" mask="url(#mask-clasp-cutout)" class="icon-default" />
+  <use xlink:href="#shape-lock-base" class="icon-default" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/mcb-disabled.svg b/arc-firefox-theme/chrome/browser/controlcenter/mcb-disabled.svg
new file mode 100644
index 0000000..af45b90
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/mcb-disabled.svg
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="24" height="24" viewBox="0 0 24 24">
+  <defs>
+    <rect id="shape-lock-clasp-outer" x="5" y="1" width="14" height="20" rx="7" ry="7" />
+    <rect id="shape-lock-clasp-inner" x="8" y="4" width="8" height="14" rx="4" ry="4" />
+    <rect id="shape-lock-base" x="3" y="10" width="18" height="13" rx="1.5" ry="1.5" />
+
+    <mask id="mask-clasp-cutout">
+      <rect width="24" height="24" fill="#000" />
+      <use xlink:href="#shape-lock-clasp-outer" fill="#fff" />
+      <use xlink:href="#shape-lock-clasp-inner" fill="#000" />
+      <line x1="3" y1="21" x2="21.5" y2="0.5" stroke="#000" stroke-width="3" />
+      <line x1="3" y1="25" x2="21.5" y2="4.5" stroke="#000" stroke-width="3" />
+      <rect x="3" y="10" width="18" height="13" rx="1.5" ry="1.5" />
+    </mask>
+
+    <mask id="mask-base-cutout">
+      <rect width="24" height="24" fill="#000" />
+      <use xlink:href="#shape-lock-base" fill="#fff" />
+      <line x1="2.25" y1="24.75" x2="21.5" y2="4.5" stroke="#000" stroke-width="3" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-lock-clasp-outer" mask="url(#mask-clasp-cutout)" fill="#999" />
+  <use xlink:href="#shape-lock-base" mask="url(#mask-base-cutout)" fill="#999" />
+
+  <line x1="2.25" y1="22.75" x2="21.5" y2="2.5" stroke="#d92d21" stroke-width="3" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/panel.css b/arc-firefox-theme/chrome/browser/controlcenter/panel.css
index 56c6245..27c2258 100644
--- a/arc-firefox-theme/chrome/browser/controlcenter/panel.css
+++ b/arc-firefox-theme/chrome/browser/controlcenter/panel.css
@@ -2,25 +2,46 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#identity-popup-securityView:not(.verifiedIdentity) > #identity-popup-content-owner,
-#identity-popup-securityView:not(.verifiedIdentity):not(.verifiedDomain) > #identity-popup-content-verifier,
-#identity-popup-securityView:not(.verifiedIdentity):not(.mixedContent) > #identity-popup-content-supplemental,
-#identity-popup-security-content:not(.verifiedIdentity):not(.verifiedDomain) > .identity-popup-connection-secure,
-#identity-popup-securityView:not(.verifiedIdentity):not(.verifiedDomain) > #identity-popup-securityView-header > .identity-popup-connection-secure,
-#identity-popup-securityView:not(.unknownIdentity) > #identity-popup-securityView-header > .identity-popup-connection-not-secure,
-#identity-popup-securityView:not(.chromeUI) > #identity-popup-securityView-header > .identity-popup-connection-internal,
-#identity-popup-security-content:not(.unknownIdentity) > .identity-popup-connection-not-secure,
-#identity-popup-securityView:not(.verifiedIdentity) > #identity-popup-securityView-connection,
-#identity-popup-security-content.unknownIdentity:not(.mixedContent) + .identity-popup-expander,
-#identity-popup-security-content:not(.chromeUI) > .identity-popup-connection-internal,
-#identity-popup-security-content.chromeUI + .identity-popup-expander {
+
+/* Hide all conditional elements by default. */
+:-moz-any([when-connection],[when-mixedcontent],[when-ciphers]) {
+  display: none;
+}
+
+/* Show the right elements for the right connection states. */
+#identity-popup[connection=not-secure] [when-connection~=not-secure],
+#identity-popup[connection=secure-ev] [when-connection~=secure-ev],
+#identity-popup[connection=secure] [when-connection~=secure],
+#identity-popup[connection=chrome] [when-connection~=chrome],
+#identity-popup[connection=file] [when-connection~=file],
+/* Show weak cipher messages when needed. */
+#identity-popup[ciphers=weak] [when-ciphers~=weak],
+/* Show mixed content warnings when needed */
+#identity-popup[mixedcontent~=active-loaded] [when-mixedcontent=active-loaded],
+#identity-popup[mixedcontent~=passive-loaded]:not([mixedcontent~=active-loaded]) [when-mixedcontent=passive-loaded],
+#identity-popup[mixedcontent~=active-blocked]:not([mixedcontent~=passive-loaded]) [when-mixedcontent=active-blocked],
+/* Show the right elements when there is mixed passive content loaded and active blocked. */
+#identity-popup[mixedcontent~=active-blocked][mixedcontent~=passive-loaded] [when-mixedcontent~=active-blocked][when-mixedcontent~=passive-loaded],
+/* Show 'disable MCB' button always when there is mixed active content blocked. */
+#identity-popup-securityView-body[mixedcontent~=active-blocked] > button[when-mixedcontent=active-blocked] {
+  display: inherit;
+}
+
+/* Hide 'not secure' message in subview when weak cipher or mixed content messages are shown. */
+#identity-popup-securityView-body:-moz-any([mixedcontent],[ciphers]) > description[when-connection=not-secure],
+/* Hide 'passive-loaded (only)' message when there is mixed passive content loaded and active blocked. */
+#identity-popup-securityView-body[mixedcontent~=passive-loaded][mixedcontent~=active-blocked] > description[when-mixedcontent=passive-loaded] {
   display: none;
 }
 
-/* PANEL */
+/* Make sure hidden elements don't accidentally become visible from one of the
+   above selectors (see Bug 1194258) */
+#identity-popup [hidden] {
+  display: none !important;
+}
 
 #identity-popup,
-.panel-viewstack[viewtype="main"]:not([transitioning]) > .panel-mainview[panelid=identity-popup] > #identity-popup-mainView {
+#identity-popup:not([panelopen]) .panel-viewstack[viewtype="main"]:not([transitioning]) #identity-popup-mainView {
   /* Tiny hack to ensure the panel shrinks back to its original
      size after closing a subview that is bigger than the main view. */
   max-height: 0;
@@ -65,8 +86,9 @@
 
 #identity-popup-securityView,
 #identity-popup-security-content,
-#identity-popup-permissions-content {
-  padding: 0.75em 0 1em;
+#identity-popup-permissions-content,
+#tracking-protection-content {
+  padding: 0.5em 0 1em;
   -moz-padding-start: calc(2em + 24px);
   -moz-padding-end: 1em;
   background-repeat: no-repeat;
@@ -76,7 +98,8 @@
 
 #identity-popup-securityView:-moz-locale-dir(rtl),
 #identity-popup-security-content:-moz-locale-dir(rtl),
-#identity-popup-permissions-content:-moz-locale-dir(rtl) {
+#identity-popup-permissions-content:-moz-locale-dir(rtl),
+#tracking-protection-content:-moz-locale-dir(rtl) {
   background-position: calc(100% - 1em) 1em;
 }
 
@@ -103,18 +126,11 @@
 
 .identity-popup-expander[panel-multiview-anchor] {
   transition: background-color 250ms ease-in;
-  background-color: #0069d9;
-  background-image: url("chrome://browser/skin/customizableui/subView-arrow-back-inverted.png"),
+  background-color: Highlight;
+  background-image: url("chrome://browser/skin/controlcenter/arrow-subview-back.svg"),
                     linear-gradient(rgba(255,255,255,0.3), transparent);
 }
 
-@media (min-resolution: 1.1dppx) {
-  .identity-popup-expander[panel-multiview-anchor] {
-    background-image: url("chrome://browser/skin/customizableui/subView-arrow-back-inverted@2x.png"),
-                      linear-gradient(rgba(255,255,255,0.3), transparent);
-  }
-}
-
 .identity-popup-expander > .button-box {
   padding: 0;
   -moz-appearance: none;
@@ -138,23 +154,38 @@
 
 /* CONTENT */
 
-.identity-popup-text {
+#identity-popup-security-content > description,
+#identity-popup-security-descriptions > description,
+#identity-popup-securityView-header > description,
+#identity-popup-securityView-body > description,
+#tracking-protection-content > label {
   white-space: pre-wrap;
   font-size: 110%;
   margin: 0;
 }
 
 .identity-popup-headline {
-  margin: 2px 0 4px;
+  margin: 3px 0 4px;
   font-size: 150%;
 }
 
-/* SECURITY */
+.identity-popup-warning-gray {
+  -moz-padding-start: 24px;
+  background: url(chrome://browser/skin/controlcenter/warning-gray.svg) no-repeat 0 50%;
+}
+
+.identity-popup-warning-yellow {
+  -moz-padding-start: 24px;
+  background: url(chrome://browser/skin/controlcenter/warning-yellow.svg) no-repeat 0 50%;
+}
 
-#identity-popup-securityView > .identity-popup-text:not(#identity-popup-content-owner) {
-  margin: 2px 0 4px;
+.identity-popup-warning-gray:-moz-locale-dir(rtl),
+.identity-popup-warning-yellow:-moz-locale-dir(rtl) {
+  background-position: 100% 50%;
 }
 
+/* SECURITY */
+
 .identity-popup-connection-secure {
   color: #418220;
 }
@@ -163,12 +194,6 @@
   color: #d74345;
 }
 
-#identity-popup-security-content.chromeUI {
-  background-image: url(chrome://branding/content/icon48.png);
-}
-
-/* SECURITY SUBVIEW */
-
 #identity-popup-securityView {
   padding-bottom: 2em;
   overflow: hidden;
@@ -179,86 +204,112 @@
   background-image: url(chrome://browser/skin/controlcenter/conn-not-secure.svg);
 }
 
-#identity-popup-securityView.verifiedDomain,
-#identity-popup-securityView.verifiedIdentity,
-#identity-popup-security-content.verifiedDomain,
-#identity-popup-security-content.verifiedIdentity {
+#identity-popup[connection=chrome] #identity-popup-securityView,
+#identity-popup[connection=chrome] #identity-popup-security-content {
+  background-image: url(chrome://branding/content/icon48.png);
+}
+
+#identity-popup[connection^=secure] #identity-popup-securityView,
+#identity-popup[connection^=secure] #identity-popup-security-content {
   background-image: url(chrome://browser/skin/controlcenter/conn-secure.svg);
 }
 
+/* Use [isbroken] to make sure we don't show a lock on an http page. See Bug 1192162. */
+#identity-popup[ciphers=weak] #identity-popup-securityView,
+#identity-popup[ciphers=weak] #identity-popup-security-content,
+#identity-popup[mixedcontent~=passive-loaded][isbroken] #identity-popup-securityView,
+#identity-popup[mixedcontent~=passive-loaded][isbroken] #identity-popup-security-content {
+  background-image: url(chrome://browser/skin/controlcenter/conn-degraded.svg);
+}
+
+#identity-popup[mixedcontent~=active-loaded][isbroken] #identity-popup-securityView,
+#identity-popup[mixedcontent~=active-loaded][isbroken] #identity-popup-security-content {
+  background-image: url(chrome://browser/skin/controlcenter/mcb-disabled.svg);
+}
+
+#identity-popup-security-descriptions > description {
+  margin-top: 6px;
+  color: Graytext;
+}
+
 #identity-popup-securityView-header {
   border-bottom: 1px solid var(--panel-separator-color);
   padding-bottom: 1em;
-  margin-bottom: 1em;
 }
 
-#identity-popup-content-owner {
-  font-weight: 700;
+#identity-popup-securityView-body {
+  -moz-padding-end: 1em;
 }
 
-#identity-popup-content-verifier {
+#identity-popup-content-verifier ~ description {
+  margin-top: 1em;
   color: Graytext;
 }
 
-#identity-popup-content-owner,
-#identity-popup-securityView > #identity-popup-securityView-connection.identity-popup-text {
+description#identity-popup-content-verified-by,
+description#identity-popup-content-owner,
+description#identity-popup-content-verifier,
+#identity-popup-securityView-body > button {
   margin-top: 1em;
 }
 
-/* PERMISSIONS */
-
-#identity-popup-permissions-content {
-  background-image: url(chrome://browser/skin/controlcenter/permissions.svg);
+#identity-popup-securityView-body > button {
+  margin-inline-start: 0;
+  margin-inline-end: 0;
 }
 
-#identity-popup-permission-list {
-  margin-top: 5px;
-}
+/* TRACKING PROTECTION */
 
-.identity-popup-permission-label {
-  -moz-margin-start: 0;
+#tracking-protection-content {
+  background-image: url("chrome://browser/skin/controlcenter/tracking-protection.svg");
 }
 
-/* FOOTER BUTTONS */
+#tracking-protection-content[state="loaded-tracking-content"]  {
+  background-image: url("chrome://browser/skin/controlcenter/tracking-protection-disabled.svg");
+}
 
-#identity-popup-button-container {
-  background-color: hsla(210,4%,10%,.07);
+#tracking-action-block,
+#tracking-action-unblock,
+#tracking-action-unblock-private {
+  margin: 1em 0 0;
 }
 
-#identity-popup-more-info-button {
-  border: none;
-  border-top: 1px solid var(--panel-separator-color);
-  background: transparent;
-  -moz-appearance: none;
-  margin-top: 5px;
-  margin: 0;
+#tracking-protection-content[state] > #tracking-not-detected,
+#tracking-protection-content:not([state="blocked-tracking-content"]) > #tracking-blocked,
+#main-window[privatebrowsingmode] #tracking-action-unblock,
+#main-window:not([privatebrowsingmode]) #tracking-action-unblock-private,
+#tracking-protection-content:not([state="blocked-tracking-content"]) #tracking-action-unblock,
+#tracking-protection-content:not([state="blocked-tracking-content"]) #tracking-action-unblock-private,
+#tracking-protection-content:not([state="loaded-tracking-content"]) > #tracking-loaded,
+#tracking-protection-content:not([state="loaded-tracking-content"]) #tracking-action-block,
+#tracking-protection-content:not([state]) > #tracking-actions {
+  display: none;
 }
 
-#identity-popup-more-info-button > .button-box {
-  -moz-appearance: none;
-  padding: 1em;
+/* PERMISSIONS */
+
+#identity-popup-permissions-content {
+  background-image: url(chrome://browser/skin/controlcenter/permissions.svg);
 }
 
-#identity-popup-more-info-button:hover {
-  background-color: hsla(210,4%,10%,.07);
+#identity-popup-permission-list menulist {
+  min-width: 60px;
 }
 
-#identity-popup-more-info-button:hover:active {
-  color: inherit;
-  background-color: hsla(210,4%,10%,.12);
-  box-shadow: 0 1px 0 hsla(210,4%,10%,.05) inset;
+#identity-popup-permission-list {
+  margin-top: 5px;
 }
 
-#identity-popup-more-info-button:-moz-focusring {
-  border-color: transparent;
+.identity-popup-permission-label {
+  -moz-margin-start: 0;
+  word-wrap: break-word;
 }
 
-.identity-popup-expander:-moz-focusring,
-#identity-popup-more-info-button {
+
+.identity-popup-expander:-moz-focusring {
   padding: 1px;
 }
 
-.identity-popup-expander:-moz-focusring > .button-box,
-#identity-popup-more-info-button:-moz-focusring > .button-box {
+.identity-popup-expander:-moz-focusring > .button-box {
   outline: 1px -moz-dialogtext dotted;
 }
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/tracking-protection-disabled.svg b/arc-firefox-theme/chrome/browser/controlcenter/tracking-protection-disabled.svg
new file mode 100644
index 0000000..363b0df
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/tracking-protection-disabled.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="24" height="24" viewBox="0 0 24 24">
+  <defs>
+    <path id="shape-shield-outer" d="M12,1L3.4,2.4C2.6,2.5,2,3.1,2,3.9c0,1.9,0,5.2,0.2,6.6c0.4,4.2,1.3,6.3,3.2,8.8C8,22.6,12,23,12,23s4-0.4,6.6-3.7 c1.9-2.4,2.8-4.5,3.2-8.8C22,9.1,22,5.7,22,3.9c0-0.8-0.6-1.4-1.4-1.5L12,1L12,1z"/>
+    <path id="shape-shield-inner" d="M12,3l7.9,1.2c0.1,0,0.1,0,0.1,0.1c0,2.9,0,5.2-0.1,6.1c-0.4,4-1.2,5.6-2.8,7.6c-1.8,2.3-4.4,2.8-5.1,3 c-0.7-0.1-3.3-0.7-5.1-3c-1.6-1.9-2.4-3.6-2.8-7.6C4,9.5,4,7.3,4,4.3c0,0,0-0.1,0.1-0.1L12,3"/>
+    <path id="shape-shield-detail" d="M12,20c-0.8-0.2-2.9-0.7-4.4-2.6c-1.4-1.8-2.1-3.2-2.5-7C5,9.6,5,7.7,5,5.1L12,4 V20z"/>
+
+    <mask id="mask-shield-cutout">
+      <rect width="24" height="24" fill="#000" />
+      <use xlink:href="#shape-shield-outer" fill="#fff" />
+      <use xlink:href="#shape-shield-inner" fill="#000" />
+      <use xlink:href="#shape-shield-detail" fill="#fff" />
+      <line x1="3" y1="24" x2="23" y2="3" stroke="#000" stroke-width="3" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-shield-outer" mask="url(#mask-shield-cutout)" fill="#a6a6a6" />
+  <line x1="3" y1="22" x2="23" y2="1" stroke="#d92d21" stroke-width="3" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/tracking-protection.svg b/arc-firefox-theme/chrome/browser/controlcenter/tracking-protection.svg
new file mode 100644
index 0000000..a58d8bd
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/tracking-protection.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="24" height="24" viewBox="0 0 24 24">
+  <defs>
+    <path id="shape-shield-outer" d="M12,1L3.4,2.4C2.6,2.5,2,3.1,2,3.9c0,1.9,0,5.2,0.2,6.6c0.4,4.2,1.3,6.3,3.2,8.8C8,22.6,12,23,12,23s4-0.4,6.6-3.7 c1.9-2.4,2.8-4.5,3.2-8.8C22,9.1,22,5.7,22,3.9c0-0.8-0.6-1.4-1.4-1.5L12,1L12,1z"/>
+    <path id="shape-shield-inner" d="M12,3l7.9,1.2c0.1,0,0.1,0,0.1,0.1c0,2.9,0,5.2-0.1,6.1c-0.4,4-1.2,5.6-2.8,7.6c-1.8,2.3-4.4,2.8-5.1,3 c-0.7-0.1-3.3-0.7-5.1-3c-1.6-1.9-2.4-3.6-2.8-7.6C4,9.5,4,7.3,4,4.3c0,0,0-0.1,0.1-0.1L12,3"/>
+    <path id="shape-shield-detail" d="M12,20c-0.8-0.2-2.9-0.7-4.4-2.6c-1.4-1.8-2.1-3.2-2.5-7C5,9.6,5,7.7,5,5.1L12,4 V20z"/>
+
+    <mask id="mask-shield-cutout">
+      <rect width="24" height="24" fill="#000" />
+      <use xlink:href="#shape-shield-outer" fill="#fff" />
+      <use xlink:href="#shape-shield-inner" fill="#000" />
+      <use xlink:href="#shape-shield-detail" fill="#fff" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-shield-outer" mask="url(#mask-shield-cutout)" fill="#a6a6a6" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/warning-gray.svg b/arc-firefox-theme/chrome/browser/controlcenter/warning-gray.svg
new file mode 100644
index 0000000..5f122c3
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/warning-gray.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="16" height="16" viewBox="0 0 16 16">
+  <path fill="#808080" d="M14.8,12.5L9.3,1.9C9,1.3,8.5,1,8,1C7.5,1,7,1.3,6.7,1.9L1.2,12.5c-0.3,0.6-0.3,1.2,0,1.7C1.5,14.7,2,15,2.6,15h10.8 c0.6,0,1.1-0.3,1.4-0.8C15.1,13.7,15.1,13.1,14.8,12.5z"/>
+  <path fill="#fff" d="M8,11c-0.8,0-1.5,0.7-1.5,1.5C6.5,13.3,7.2,14,8,14 c0.8,0,1.5-0.7,1.5-1.5C9.5,11.7,8.8,11,8,11z M8,10L8,10C8.6,10,9,9.6,9,9l0.2-4.2c0-0.7-0.5-1.2-1.2-1.2S6.8,4.1,6.8,4.8L7,9 C7,9.6,7.4,10,8,10z"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/controlcenter/warning-yellow.svg b/arc-firefox-theme/chrome/browser/controlcenter/warning-yellow.svg
new file mode 100644
index 0000000..e2d3a36
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/controlcenter/warning-yellow.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="16" height="16" viewBox="0 0 16 16">
+  <path fill="#ffbf00" d="M14.8,12.5L9.3,1.9C9,1.3,8.5,1,8,1C7.5,1,7,1.3,6.7,1.9L1.2,12.5c-0.3,0.6-0.3,1.2,0,1.7C1.5,14.7,2,15,2.6,15h10.8 c0.6,0,1.1-0.3,1.4-0.8C15.1,13.7,15.1,13.1,14.8,12.5z"/>
+  <path fill="#fff" d="M8,11c-0.8,0-1.5,0.7-1.5,1.5C6.5,13.3,7.2,14,8,14 c0.8,0,1.5-0.7,1.5-1.5C9.5,11.7,8.8,11,8,11z M8,10L8,10C8.6,10,9,9.6,9,9l0.2-4.2c0-0.7-0.5-1.2-1.2-1.2S6.8,4.1,6.8,4.8L7,9 C7,9.6,7.4,10,8,10z"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/dark/tabs/tab-audio-small.svg b/arc-firefox-theme/chrome/browser/custom_images/dark/tabs/tab-audio-small.svg
new file mode 100644
index 0000000..c5bff69
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/custom_images/dark/tabs/tab-audio-small.svg
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   viewBox="0 0 16 16"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="tab-audio-small.svg">
+  <metadata
+     id="metadata30">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs28" />
+  <sodipodi:namedview
+     pagecolor="#b1b1b1"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview26"
+     showgrid="false"
+     inkscape:zoom="12.46875"
+     inkscape:cx="-0.22891557"
+     inkscape:cy="5.5804938"
+     inkscape:current-layer="svg2" />
+  <style
+     id="style4">
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #262626;
+    }
+    .icon &gt; .outline {
+      fill: #fff;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white &gt; .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+  </style>
+  <g
+     id="tab-audio"
+     class="icon">
+    <path
+       class="outline"
+       d="M12.4,3.6l-1-0.6l-0.9,2.5H10V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5H4C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.6l3.6,3.6 c0.3,0.3,0.9,0.1,0.9-0.4v-3.7h0.5l0.9,2.5l1-0.6C14,11.5,15,9.8,15,8S14,4.5,12.4,3.6z M9,13l-3-3H4c-0.6,0-1-0.4-1-1V7 c0-0.6,0.4-1,1-1h2l3-3V13z M10,9.5v-3c0.8,0,1.5,0.7,1.5,1.5S10.8,9.5,10,9.5z M11.9,11.5l-0.4-0.9C12.4,10,13,9.1,13,8 s-0.6-2-1.4-2.5l0.3-1C13.2,5.2,14,6.5,14,8S13.2,10.8,11.9,11.5z"
+       id="path7"
+       style="fill:#2f343f;fill-opacity:1" />
+    <path
+       d="M4,6C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h2l3,3V3L6,6H4z M10,6.5v3c0.8,0,1.5-0.7,1.5-1.5S10.8,6.5,10,6.5z M11.9,4.5 l-0.4,0.9C12.4,6,13,6.9,13,8s-0.6,2-1.4,2.5l0.4,0.9c1.2-0.7,2.1-2,2.1-3.5S13.2,5.2,11.9,4.5z"
+       id="path9"
+       style="fill:#d3dae3;fill-opacity:1" />
+  </g>
+  <g
+     id="tab-audio-muted"
+     class="icon">
+    <path
+       class="outline"
+       d="M5.6,5H4C2.9,5,2,5.9,2,7v2c0,0.7,0.3,1.3,0.9,1.7l-1.8,1.8l2.5,2.5l3-3l2.6,2.6c0.3,0.3,0.9,0.1,0.9-0.4V8.5l3.9-3.9 l-2.5-2.5L10,3.5V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5z"
+       id="path12"
+       style="fill:#2f343f;fill-opacity:1" />
+    <path
+       d="M11.5,3.5L9,5.9V3L6,6H4C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h0.9l-2.5,2.5l1.1,1.1l9-9L11.5,3.5z M9,13V9.7l-1.7,1.7L9,13z"
+       id="path14"
+       style="fill:#d3dae3;fill-opacity:1" />
+  </g>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/dark/tabs/tab-audio.svg b/arc-firefox-theme/chrome/browser/custom_images/dark/tabs/tab-audio.svg
new file mode 100644
index 0000000..c2ff76e
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/custom_images/dark/tabs/tab-audio.svg
@@ -0,0 +1,150 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   viewBox="0 0 16 16"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="tab-audio.svg">
+  <metadata
+     id="metadata52">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs50" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview48"
+     showgrid="false"
+     inkscape:zoom="12.46875"
+     inkscape:cx="-11.788201"
+     inkscape:cy="0.63847986"
+     inkscape:current-layer="svg2" />
+  <style
+     id="style4">
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #333;
+      opacity: .75;
+    }
+    .icon.hover {
+      fill: #1a1a1a;
+      opacity: .85;
+    }
+    .icon.pressed {
+      fill: #0d0d0d;
+      opacity: .95;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white.hover {
+      opacity: .9;
+    }
+    .icon.white.pressed {
+      opacity: 1;
+    }
+    .icon.white &gt; .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+
+    .icon.backgroundTab,
+    .icon.backgroundTab.hover,
+    .icon.backgroundTab.pressed {
+      fill: -moz-MenuBarText;
+    }
+  </style>
+  <path
+     id="tab-audio"
+     class="icon"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-hover"
+     class="icon hover"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-pressed"
+     class="icon pressed"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-muted"
+     class="icon"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-muted-hover"
+     class="icon hover"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-muted-pressed"
+     class="icon pressed"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab"
+     class="icon backgroundTab"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-hover"
+     class="icon backgroundTab hover"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-pressed"
+     class="icon backgroundTab pressed"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-muted"
+     class="icon backgroundTab"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-muted-hover"
+     class="icon backgroundTab hover"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#d3dae3;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-muted-pressed"
+     class="icon backgroundTab pressed"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#d3dae3;fill-opacity:1" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/light/tabs/tab-audio-small.svg b/arc-firefox-theme/chrome/browser/custom_images/light/tabs/tab-audio-small.svg
new file mode 100644
index 0000000..8326f46
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/custom_images/light/tabs/tab-audio-small.svg
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   viewBox="0 0 16 16"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="tab-audio-small.svg">
+  <metadata
+     id="metadata30">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs28" />
+  <sodipodi:namedview
+     pagecolor="#a1a1a1"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview26"
+     showgrid="false"
+     inkscape:zoom="12.46875"
+     inkscape:cx="-7.2063593"
+     inkscape:cy="5.5804938"
+     inkscape:current-layer="svg2" />
+  <style
+     id="style4">
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #262626;
+    }
+    .icon &gt; .outline {
+      fill: #fff;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white &gt; .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+  </style>
+  <g
+     id="tab-audio"
+     class="icon">
+    <path
+       class="outline"
+       d="M12.4,3.6l-1-0.6l-0.9,2.5H10V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5H4C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.6l3.6,3.6 c0.3,0.3,0.9,0.1,0.9-0.4v-3.7h0.5l0.9,2.5l1-0.6C14,11.5,15,9.8,15,8S14,4.5,12.4,3.6z M9,13l-3-3H4c-0.6,0-1-0.4-1-1V7 c0-0.6,0.4-1,1-1h2l3-3V13z M10,9.5v-3c0.8,0,1.5,0.7,1.5,1.5S10.8,9.5,10,9.5z M11.9,11.5l-0.4-0.9C12.4,10,13,9.1,13,8 s-0.6-2-1.4-2.5l0.3-1C13.2,5.2,14,6.5,14,8S13.2,10.8,11.9,11.5z"
+       id="path7" />
+    <path
+       d="M4,6C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h2l3,3V3L6,6H4z M10,6.5v3c0.8,0,1.5-0.7,1.5-1.5S10.8,6.5,10,6.5z M11.9,4.5 l-0.4,0.9C12.4,6,13,6.9,13,8s-0.6,2-1.4,2.5l0.4,0.9c1.2-0.7,2.1-2,2.1-3.5S13.2,5.2,11.9,4.5z"
+       id="path9"
+       style="fill:#5c616c;fill-opacity:1" />
+  </g>
+  <g
+     id="tab-audio-muted"
+     class="icon">
+    <path
+       class="outline"
+       d="M5.6,5H4C2.9,5,2,5.9,2,7v2c0,0.7,0.3,1.3,0.9,1.7l-1.8,1.8l2.5,2.5l3-3l2.6,2.6c0.3,0.3,0.9,0.1,0.9-0.4V8.5l3.9-3.9 l-2.5-2.5L10,3.5V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5z"
+       id="path12" />
+    <path
+       d="M11.5,3.5L9,5.9V3L6,6H4C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h0.9l-2.5,2.5l1.1,1.1l9-9L11.5,3.5z M9,13V9.7l-1.7,1.7L9,13z"
+       id="path14"
+       style="fill:#5c616c;fill-opacity:1" />
+  </g>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/light/tabs/tab-audio.svg b/arc-firefox-theme/chrome/browser/custom_images/light/tabs/tab-audio.svg
new file mode 100644
index 0000000..24231c6
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/custom_images/light/tabs/tab-audio.svg
@@ -0,0 +1,150 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   viewBox="0 0 16 16"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="tab-audio.svg">
+  <metadata
+     id="metadata52">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs50" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="640"
+     inkscape:window-height="480"
+     id="namedview48"
+     showgrid="false"
+     inkscape:zoom="12.46875"
+     inkscape:cx="1.0438795"
+     inkscape:cy="0.63847986"
+     inkscape:current-layer="svg2" />
+  <style
+     id="style4">
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #333;
+      opacity: .75;
+    }
+    .icon.hover {
+      fill: #1a1a1a;
+      opacity: .85;
+    }
+    .icon.pressed {
+      fill: #0d0d0d;
+      opacity: .95;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white.hover {
+      opacity: .9;
+    }
+    .icon.white.pressed {
+      opacity: 1;
+    }
+    .icon.white &gt; .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+
+    .icon.backgroundTab,
+    .icon.backgroundTab.hover,
+    .icon.backgroundTab.pressed {
+      fill: -moz-MenuBarText;
+    }
+  </style>
+  <path
+     id="tab-audio"
+     class="icon"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-hover"
+     class="icon hover"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-pressed"
+     class="icon pressed"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-muted"
+     class="icon"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-muted-hover"
+     class="icon hover"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-muted-pressed"
+     class="icon pressed"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab"
+     class="icon backgroundTab"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-hover"
+     class="icon backgroundTab hover"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-pressed"
+     class="icon backgroundTab pressed"
+     d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-muted"
+     class="icon backgroundTab"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-muted-hover"
+     class="icon backgroundTab hover"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#5c616c;fill-opacity:1" />
+  <path
+     id="tab-audio-backgroundTab-muted-pressed"
+     class="icon backgroundTab pressed"
+     d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"
+     style="fill:#5c616c;fill-opacity:1" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css b/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css
index 8937d70..c96ee12 100644
--- a/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css
+++ b/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css
@@ -83,8 +83,8 @@
 }
 
 #PanelUI-button {
-  -moz-margin-start: 2px;
-  -moz-border-start: 1px solid;
+  margin-inline-start: 2px;
+  border-inline-start: 1px solid;
   border-image: linear-gradient(transparent, rgba(0,0,0,.1) 20%, rgba(0,0,0,.1) 80%, transparent);
   border-image-slice: 1;
 }
@@ -93,10 +93,33 @@
   border-image-source: linear-gradient(transparent, rgba(100%,100%,100%,.2) 20%, rgba(100%,100%,100%,.2) 80%, transparent);
 }
 
-#PanelUI-menu-button[update-status="succeeded"] .toolbarbutton-badge::after {
-  content: url(chrome://browser/skin/update-badge.svg);
-  background-color: #74BF43;
+#PanelUI-menu-button[badge-status] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  display: -moz-box;
   height: 10px;
+  width: 10px;
+  background-size: contain;
+  border: none;
+}
+
+#PanelUI-menu-button[badge-status="update-succeeded"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  background: #74BF43 url(chrome://browser/skin/update-badge.svg) no-repeat center;
+  height: 13px;
+}
+
+#PanelUI-menu-button[badge-status="update-failed"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  background: #D90000 url(chrome://browser/skin/update-badge-failed.svg) no-repeat center;
+  height: 13px;
+}
+
+#PanelUI-menu-button[badge-status="fxa-needs-authentication"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  background: transparent url(chrome://browser/skin/warning.svg) no-repeat center;
+  height: 13px;
+  box-shadow: none;
+  filter: drop-shadow(0 1px 0 hsla(206, 50%, 10%, .15));
+}
+
+#PanelUI-menu-button[badge-status="fxa-needs-authentication"] > .toolbarbutton-badge-stack > .toolbarbutton-badge:-moz-window-inactive {
+  filter: none;
 }
 
 .panel-subviews {
@@ -163,16 +186,6 @@ panelmultiview[nosubviews=true] > .panel-viewcontainer > .panel-viewstack > .pan
   flex-direction: column;
 }
 
-#app-extension-point-end > #PanelUI-menu-button {
-  padding: 2px 5px;
-}
-#app-extension-point-end > #PanelUI-menu-button .toolbarbutton-text {
-  display: none;
-}
-#app-extension-point-end > #PanelUI-menu-button .toolbarbutton-icon {
-  margin: 0;
-}
-
 #PanelUI-popup > arrowscrollbox > autorepeatbutton {
   display: none;
 }
@@ -298,9 +311,9 @@ toolbarpaletteitem[place="panel"]:not([haswideitem=true]) > .toolbarbutton-1 {
 
 /* Help SDK buttons fit in. */
 toolbarpaletteitem[place="palette"] > toolbarbutton[constrain-size="true"] > .toolbarbutton-icon,
-toolbarpaletteitem[place="palette"] > toolbarbutton[constrain-size="true"] > .toolbarbutton-badge-container > .toolbarbutton-icon,
+toolbarpaletteitem[place="palette"] > toolbarbutton[constrain-size="true"] > .toolbarbutton-badge-stack > .toolbarbutton-icon,
 toolbarbutton[constrain-size="true"][cui-areatype="menu-panel"] > .toolbarbutton-icon,
-toolbarbutton[constrain-size="true"][cui-areatype="menu-panel"] > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarbutton[constrain-size="true"][cui-areatype="menu-panel"] > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   height: 32px;
   width: 32px;
 }
@@ -418,10 +431,10 @@ toolbaritem[cui-areatype="menu-panel"][sdkstylewidget="true"]:not(.panel-wide-it
 
 .panelUI-grid .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 .panelUI-grid .toolbarbutton-1 > .toolbarbutton-icon,
-.panelUI-grid .toolbarbutton-1 > .toolbarbutton-badge-container,
+.panelUI-grid .toolbarbutton-1 > .toolbarbutton-badge-stack,
 .customization-palette .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 .customization-palette .toolbarbutton-1 > .toolbarbutton-icon,
-.customization-palette .toolbarbutton-1 > .toolbarbutton-badge-container,
+.customization-palette .toolbarbutton-1 > .toolbarbutton-badge-stack,
 .panelUI-grid #bookmarks-toolbar-placeholder > .toolbarbutton-icon,
 .customization-palette #bookmarks-toolbar-placeholder > .toolbarbutton-icon,
 .panel-customization-placeholder-child > .toolbarbutton-icon {
@@ -447,8 +460,8 @@ toolbaritem[cui-areatype="menu-panel"][sdkstylewidget="true"]:not(.panel-wide-it
 /* above we treat the container as the icon for the margins, that is so the
 /* badge itself is positioned correctly. Here we make sure that the icon itself
 /* has the minimum size we want, but no padding/margin. */
-.panelUI-grid .toolbarbutton-1 > .toolbarbutton-badge-container > .toolbarbutton-icon,
-.customization-palette .toolbarbutton-1 > .toolbarbutton-badge-container > .toolbarbutton-icon {
+.panelUI-grid .toolbarbutton-1 > .toolbarbutton-badge-stack > .toolbarbutton-icon,
+.customization-palette .toolbarbutton-1 > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   width: 32px;
   height: 32px;
   min-width: 32px;
@@ -501,6 +514,38 @@ toolbarpaletteitem[place="palette"] > toolbaritem > toolbarbutton {
   display: none;
 }
 
+#PanelUI-footer-fxa[fxastatus="error"] > #PanelUI-fxa-status::after {
+  content: url(chrome://browser/skin/warning.svg);
+  filter: drop-shadow(0 1px 0 hsla(206, 50%, 10%, .15));
+  width: 47px;
+  padding-top: 1px;
+  display: block;
+  text-align: center;
+  position: relative;
+  top: 25%;
+}
+
+#PanelUI-update-status[update-status]::after {
+  content: "";
+  width: 14px;
+  height: 14px;
+  margin-right: 16.5px;
+  box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.2) inset, 0px -1px 0px rgba(0, 0, 0, 0.1) inset, 0px 1px 0px rgba(12, 27, 38, 0.2);
+  border-radius: 2px;
+  background-size: contain;
+  display: -moz-box;
+}
+
+#PanelUI-update-status[update-status="succeeded"]::after {
+  background-image: url(chrome://browser/skin/update-badge.svg);
+  background-color: #74BF43;
+}
+
+#PanelUI-update-status[update-status="failed"]::after {
+  background-image: url(chrome://browser/skin/update-badge-failed.svg);
+  background-color: #D90000;
+}
+
 #PanelUI-fxa-status {
   display: flex;
   flex: 1 1 0%;
@@ -628,8 +673,8 @@ toolbarpaletteitem[place="palette"] > toolbaritem > toolbarbutton {
 
 #PanelUI-footer-fxa[fxastatus="migrate-signup"] > #PanelUI-fxa-status > #PanelUI-fxa-label,
 #PanelUI-footer-fxa[fxastatus="migrate-verify"] > #PanelUI-fxa-status > #PanelUI-fxa-label {
-  list-style-image: url(chrome://browser/skin/warning16.png);
-  -moz-image-region: rect(0, 32px, 16px, 16px);
+  list-style-image: url(chrome://browser/skin/warning.svg);
+  -moz-image-region: auto;
 }
 
 #PanelUI-customize {
@@ -690,7 +735,7 @@ toolbarpaletteitem[place="palette"] > toolbaritem > toolbarbutton {
 }
 
 #PanelUI-footer-fxa[fxaprofileimage="enabled"] > #PanelUI-fxa-status > #PanelUI-fxa-avatar {
-  list-style-image: url(chrome://browser/skin/fxa/default-profile-image.svg);
+  list-style-image: url(chrome://browser/skin/fxa/default-avatar.png)
 }
 
 #PanelUI-customize:hover,
@@ -741,16 +786,16 @@ toolbarpaletteitem[place="palette"] > toolbaritem > toolbarbutton {
 }
 
 #PanelUI-footer-fxa[fxastatus="error"] {
-  background-color: rgb(255, 236, 158);
-  border-top: 1px solid rgb(254, 212, 21);
+  background-color: hsla(42, 94%, 88%, 1.0);
+  border-top: 1px solid hsla(42, 94%, 70%, 1.0);
 }
 
 #PanelUI-footer-fxa[fxastatus="error"] > #PanelUI-fxa-status:hover {
-  background-color: #F9E79A;
+  background-color: hsla(42, 94%, 85%, 1.0);
 }
 
 #PanelUI-footer-fxa[fxastatus="error"] > #PanelUI-fxa-status:hover:active {
-  background-color: #ECDB92;
+  background-color: hsla(42, 94%, 82%, 1.0);
   box-shadow: 0 1px 0 hsla(210,4%,10%,.05) inset;
 }
 
@@ -1482,6 +1527,10 @@ menuitem[checked="true"].subviewbutton > .menu-iconic-left {
     list-style-image: url(chrome://branding/content/icon32.png);
   }
 
+  #PanelUI-footer-fxa[fxaprofileimage="enabled"] > #PanelUI-fxa-status > #PanelUI-fxa-avatar {
+    list-style-image: url(chrome://browser/skin/fxa/default-avatar@2x.png)
+  }
+
   #PanelUI-fxa-label,
   #PanelUI-fxa-icon {
     list-style-image: url(chrome://browser/skin/sync-horizontalbar@2x.png);
@@ -1491,12 +1540,6 @@ menuitem[checked="true"].subviewbutton > .menu-iconic-left {
     list-style-image: url(chrome://browser/skin/syncProgress-horizontalbar@2x.png);
   }
 
-  #PanelUI-footer-fxa[fxastatus="migrate-signup"] > #PanelUI-fxa-status > #PanelUI-fxa-label,
-  #PanelUI-footer-fxa[fxastatus="migrate-verify"] > #PanelUI-fxa-status > #PanelUI-fxa-label {
-    list-style-image: url(chrome://browser/skin/warning16@2x.png);
-    -moz-image-region: rect(0, 64px, 32px, 32px);
-  }
-
   #PanelUI-customize {
     list-style-image: url(chrome://browser/skin/menuPanel-customize@2x.png);
   }
diff --git a/arc-firefox-theme/chrome/browser/customizableui/thumburger-inverted.png b/arc-firefox-theme/chrome/browser/customizableui/thumburger-inverted.png
new file mode 100755
index 0000000..5bd6385
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/customizableui/thumburger-inverted.png
diff --git a/arc-firefox-theme/chrome/browser/customizableui/thumburger.png b/arc-firefox-theme/chrome/browser/customizableui/thumburger.png
new file mode 100755
index 0000000..bd75b44
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/customizableui/thumburger.png
diff --git a/arc-firefox-theme/chrome/browser/devedition.css b/arc-firefox-theme/chrome/browser/devedition.css
index 44e3228..d1ddeca 100644
--- a/arc-firefox-theme/chrome/browser/devedition.css
+++ b/arc-firefox-theme/chrome/browser/devedition.css
@@ -6,8 +6,10 @@
 
 :root {
   --tab-toolbar-navbar-overlap: 0px;
+  --navbar-tab-toolbar-highlight-overlap: 0px;
   --space-above-tabbar: 0px;
   --toolbarbutton-text-shadow: none;
+  --backbutton-urlbar-overlap: 0px;
 }
 
 :root[devtoolstheme="dark"] {
@@ -45,15 +47,10 @@
   --toolbarbutton-combined-boxshadow: none;
   --toolbarbutton-combined-backgroundimage: linear-gradient(#5F6670 0, #5F6670 18px);
 
-  /* Identity box */
-  --identity-box-chrome-color: #46afe3;
-  --identity-box-chrome-background-image: linear-gradient(#5F6670 0, #5F6670 100%);
-  --identity-box-verified-background-image: linear-gradient(#5F6670 0, #5F6670 100%);
-  --verified-identity-box-backgroundcolor: transparent;
-
   /* Url and search bars */
   --url-and-searchbar-background-color: #171B1F;
   --url-and-searchbar-color: #fff;
+  --urlbar-separator-color: #5F6670;
   --urlbar-dropmarker-url: url("chrome://browser/skin/devedition/urlbar-history-dropmarker.svg");
   --urlbar-dropmarker-region: rect(0px, 11px, 14px, 0px);
   --urlbar-dropmarker-hover-region: rect(0, 22px, 14px, 11px);
@@ -65,6 +62,12 @@
   --search-button-image: url("chrome://browser/skin/devedition/search.svg#search-icon-inverted");
 }
 
+:root[devtoolstheme="dark"] #identity-box {
+  --identity-box-chrome-color: #46afe3;
+  --identity-box-verified-background-color: transparent;
+  --identity-box-selected-background-color: rgba(231,230,230,.2);
+}
+
 :root[devtoolstheme="dark"] .searchbar-dropmarker-image {
   --searchbar-dropmarker-url: url("chrome://browser/skin/devtools/dropmarker.svg");
   --searchbar-dropmarker-2x-url: url("chrome://browser/skin/devtools/dropmarker.svg");
@@ -229,11 +232,21 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper {
   -moz-margin-start: 0;
 }
 
-/* Make the white notication box stick out less. */
+/* Swap out the white arrow with a dark one for the dark theme */
+:root[devtoolstheme="dark"] #notification-popup-box {
+  border-image: url("chrome://browser/skin/devedition/urlbar-arrow.png") 0 8 0 0 fill;
+}
+
+@media (min-resolution: 1.1dppx) {
+  :root[devtoolstheme="dark"] #notification-popup-box {
+    border-image: url("chrome://browser/skin/devedition/urlbar-arrow@2x.png") 0 16 0 0 fill;
+  }
+}
+
+/* The (white) notification box background color should match the theme */
 #notification-popup-box {
   border-radius: 0;
-  border: none;
-  background: transparent;
+  background-color: var(--url-and-searchbar-background-color);
 }
 
 /* Nav bar specific stuff */
@@ -281,11 +294,6 @@ searchbar:not([oneoffui]) .search-go-button {
   border-color: transparent;
 }
 
-.tabbrowser-arrowscrollbox > .arrowscrollbox-overflow-start-indicator:not([collapsed]),
-.tabbrowser-arrowscrollbox > .arrowscrollbox-overflow-end-indicator:not([collapsed]) {
-  margin-bottom: 0;
-}
-
 .tabbrowser-tab {
   /* We normally rely on other tab elements for pointer events, but this
      theme hides those so we need it set here instead */
diff --git a/arc-firefox-theme/chrome/browser/devedition/urlbar-arrow.png b/arc-firefox-theme/chrome/browser/devedition/urlbar-arrow.png
new file mode 100644
index 0000000..c14afc7
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/devedition/urlbar-arrow.png
diff --git a/arc-firefox-theme/chrome/browser/devedition/urlbar-arrow@2x.png b/arc-firefox-theme/chrome/browser/devedition/urlbar-arrow@2x.png
new file mode 100644
index 0000000..e6867a4
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/devedition/urlbar-arrow@2x.png
diff --git a/arc-firefox-theme/chrome/browser/devtools/canvasdebugger.css b/arc-firefox-theme/chrome/browser/devtools/canvasdebugger.css
index 69e847c..a749260 100644
--- a/arc-firefox-theme/chrome/browser/devtools/canvasdebugger.css
+++ b/arc-firefox-theme/chrome/browser/devtools/canvasdebugger.css
@@ -1,8 +1,4 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
diff --git a/arc-firefox-theme/chrome/browser/devtools/computedview.css b/arc-firefox-theme/chrome/browser/devtools/computedview.css
index f8b0d62..f770681 100644
--- a/arc-firefox-theme/chrome/browser/devtools/computedview.css
+++ b/arc-firefox-theme/chrome/browser/devtools/computedview.css
@@ -124,11 +124,6 @@ body {
   border-bottom-width: 1px;
 }
 
-/* This rule is necessary because Templater.jsm breaks LTR TDs in RTL docs */
-.rule-text {
-  direction: ltr;
-}
-
 .matched {
   text-decoration: line-through;
 }
diff --git a/arc-firefox-theme/chrome/browser/devtools/dark-theme.css b/arc-firefox-theme/chrome/browser/devtools/dark-theme.css
index bfc0fa1..53a868f 100644
--- a/arc-firefox-theme/chrome/browser/devtools/dark-theme.css
+++ b/arc-firefox-theme/chrome/browser/devtools/dark-theme.css
@@ -138,7 +138,7 @@
 
 .cm-s-mozilla .cm-unused-line {
   text-decoration: line-through;
-  text-decoration-color: #5f88b0;
+  text-decoration-color: #0072ab;
 }
 
 .cm-s-mozilla .cm-executed-line {
@@ -953,73 +953,57 @@ div.CodeMirror span.eval-text {
   text-shadow: none;
 }
 
-.devtools-sidebar-tabs tabs > tab:first-child {
-  -moz-border-start-width: 0;
+.devtools-sidebar-tabs tabs > tab {
+  border-image: linear-gradient(transparent 15%, var(--theme-splitter-color) 15%, var(--theme-splitter-color) 85%, transparent 85%) 1 1;
 }
 
-.theme-dark .devtools-sidebar-tabs tabs > tab {
-  border-image: linear-gradient(transparent 15%, #5a6169 15%, #5a6169 85%, transparent 85%) 1 1;
+.devtools-sidebar-tabs tabs > tab[selected],
+.devtools-sidebar-tabs tabs > tab[selected] + tab {
+  border-image: linear-gradient(var(--theme-splitter-color), var(--theme-splitter-color)) 1 1;
+}
+
+.devtools-sidebar-tabs tabs > tab:first-child {
+  -moz-border-start-width: 0;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab:hover {
   background: hsla(206,37%,4%,.2);
-  border-image: linear-gradient(transparent 15%, #5a6169 15%, #5a6169 85%, transparent 85%) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab:hover:active {
   background: hsla(206,37%,4%,.4);
-  border-image: linear-gradient(transparent 15%, #5a6169 15%, #5a6169 85%, transparent 85%) 1 1;
-}
-
-.theme-dark .devtools-sidebar-tabs tabs > tab[selected] + tab {
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected] + tab:hover {
   background: hsla(206,37%,4%,.2);
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected] + tab:hover:active {
   background: hsla(206,37%,4%,.4);
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected],
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected]:hover:active {
   color: var(--theme-selection-color);
   background: #1d4f73;
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
-}
-
-.theme-light .devtools-sidebar-tabs tabs > tab {
-  border-image: linear-gradient(transparent 15%, #aaa 15%, #aaa 85%, transparent 85%) 1 1;
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab:hover {
   background: #ddd;
-  border-image: linear-gradient(transparent 15%, #aaa 15%, #aaa 85%, transparent 85%) 1 1;
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab:hover:active {
   background: #ddd;
-  border-image: linear-gradient(transparent 15%, #aaa 15%, #aaa 85%, transparent 85%) 1 1;
-}
-
-.theme-light .devtools-sidebar-tabs tabs > tab[selected] + tab {
-  border-image: linear-gradient(#aaa, #aaa);
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab[selected] + tab:hover {
   background: #ddd;
-  border-image: linear-gradient(#aaa, #aaa);
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab[selected],
 .theme-light .devtools-sidebar-tabs tabs > tab[selected]:hover:active {
   color: var(--theme-selection-color);
   background: #4c9ed9;
-  border-image: linear-gradient(#aaa, #aaa);
 }
 
 /* Toolbox - moved from toolbox.css.
diff --git a/arc-firefox-theme/chrome/browser/devtools/debugger.css b/arc-firefox-theme/chrome/browser/devtools/debugger.css
index fb7be09..97eb3b0 100644
--- a/arc-firefox-theme/chrome/browser/devtools/debugger.css
+++ b/arc-firefox-theme/chrome/browser/devtools/debugger.css
@@ -1,7 +1,3 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
 /* vim:set ts=2 sw=2 sts=2 et: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -96,6 +92,10 @@
   }
 }
 
+#toggle-promise-debugger {
+  /* TODO Bug 1186119: Add a toggle promise debugger image */
+}
+
 #sources-toolbar .devtools-toolbarbutton:not([label]) {
   -moz-image-region: rect(0px,16px,16px,0px);
 }
diff --git a/arc-firefox-theme/chrome/browser/devtools/filetype-dir-close.svg b/arc-firefox-theme/chrome/browser/devtools/filetype-dir-close.svg
index fa893f4..ae6f221 100644
--- a/arc-firefox-theme/chrome/browser/devtools/filetype-dir-close.svg
+++ b/arc-firefox-theme/chrome/browser/devtools/filetype-dir-close.svg
@@ -2,6 +2,6 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public

    - License, v. 2.0. If a copy of the MPL was not distributed with this

    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

-<svg viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg" fill="#000" width="16" height="16">

+<svg viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg" fill="#0A0805" width="16" height="16">

   <path d="M 0.00,160.00 L 512.00,160.00 L 480.00,480.00 L 32.00,480.00 L 0.00,160.00 Z M 464.00,96.00 L 480.00,128.00 L 32.00,128.00 L 64.00,64.00 L 240.00,64.00 L 256.00,96.00 L 464.00,96.00 Z"/>

 </svg>

diff --git a/arc-firefox-theme/chrome/browser/devtools/filetype-dir-open.svg b/arc-firefox-theme/chrome/browser/devtools/filetype-dir-open.svg
index 1faebe4..c7fafc2 100644
--- a/arc-firefox-theme/chrome/browser/devtools/filetype-dir-open.svg
+++ b/arc-firefox-theme/chrome/browser/devtools/filetype-dir-open.svg
@@ -2,6 +2,6 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public

    - License, v. 2.0. If a copy of the MPL was not distributed with this

    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

-<svg viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg" fill="#000" width="16" height="16">

+<svg viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg" fill="#0A0805" width="16" height="16">

   <path d="M 416.00,480.00L 512.00,224.00L 96.00,224.00L0.00,480.00 zM 64.00,192.00 L 0.00,480.00 L 0.00,64.00 L 144.00,64.00 L 208.00,128.00 L 416.00,128.00 L 416.00,192.00 Z"/>

 </svg>

diff --git a/arc-firefox-theme/chrome/browser/devtools/filetype-globe.svg b/arc-firefox-theme/chrome/browser/devtools/filetype-globe.svg
index bf1fe2d..a5580b4 100644
--- a/arc-firefox-theme/chrome/browser/devtools/filetype-globe.svg
+++ b/arc-firefox-theme/chrome/browser/devtools/filetype-globe.svg
@@ -2,5 +2,5 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this

    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="20" viewBox="0 0 878 1024">

-  <path d="M438.857 73.143q119.429 0 220.286 58.857t159.714 159.714 58.857 220.286-58.857 220.286-159.714 159.714-220.286 58.857-220.286-58.857-159.714-159.714-58.857-220.286 58.857-220.286 159.714-159.714 220.286-58.857zM595.429 370.857q-1.143 0.571-5.429 5.429t-7.714 5.429q1.143 0 2.571-2.857t2.857-6.286 2-4q3.429-4 12.571-8.571 8-3.429 29.714-6.857 19.429-4.571 29.143 6.286-1.143-1.143 5.429-7.429t8.286-6.857q1.714-1.143 8.571-2.571t8.571-4.286l1.143-12.571q-6.857 0.571-10-4t-3.714-12q0 1.143-3.429 4.571 0-4-2.571-4.571t-6.571 0.571-5.143 0.571q-5.714-1.714-8.571-4.286t-4.571-9.429-2.286-8.571q-1.143-2.857-5.429-6t-5.429-6q-0.571-1.143-1.429-3.143t-1.714-3.714-2.286-3.143-3.143-1.429-4 2.857-4.286 5.714-2.571 2.857q-1.714-1.143-3.429-0.857t-2.571 0.571-2.571 1.714-2.857 2q-1.714 1.143-4.857 1.714t-4.857 1.143q8.571-2.857-0.571-6.286-5.714-2.286-9.143-1.714 5.143-2.286 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diff --git a/arc-firefox-theme/chrome/browser/devtools/filetype-store.svg b/arc-firefox-theme/chrome/browser/devtools/filetype-store.svg
index 01d3625..c85c560 100644
--- a/arc-firefox-theme/chrome/browser/devtools/filetype-store.svg
+++ b/arc-firefox-theme/chrome/browser/devtools/filetype-store.svg
@@ -1,7 +1,7 @@
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diff --git a/arc-firefox-theme/chrome/browser/devtools/filters.svg b/arc-firefox-theme/chrome/browser/devtools/filters.svg
index 1f51d32..700fdbf 100644
--- a/arc-firefox-theme/chrome/browser/devtools/filters.svg
+++ b/arc-firefox-theme/chrome/browser/devtools/filters.svg
@@ -3,20 +3,14 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
 <svg height="0" xmlns="http://www.w3.org/2000/svg">
-<filter id="invert" x="0%" y="0%" width="100%" height="100%" >
-  <feComponentTransfer>
-    <feFuncR type="table" tableValues=".1 0"/>
-    <feFuncG type="table" tableValues=".1 0"/>
-    <feFuncB type="table" tableValues=".1 0"/>
-  </feComponentTransfer>
-</filter>
-<filter id="invert-white" x="0%" y="0%" width="100%" height="100%" >
-  <feComponentTransfer>
-    <feFuncR type="table" tableValues=".6 0"/>
-    <feFuncG type="table" tableValues=".6 0"/>
-    <feFuncB type="table" tableValues=".6 0"/>
-  </feComponentTransfer>
- </filter>
+  <filter id="invert" x="0%" y="0%" width="100%" height="100%"
+          primitiveUnits="objectBoundingBox">
+    <feComponentTransfer>
+      <feFuncR type="table" tableValues=".1 0"/>
+      <feFuncG type="table" tableValues=".1 0"/>
+      <feFuncB type="table" tableValues=".1 0"/>
+    </feComponentTransfer>
+  </filter>
 
   <!-- Web Audio Gradients -->
   <linearGradient id="bypass-light" x1="6%" y1="8%" x2="12%" y2="12%" spreadMethod="repeat">
diff --git a/arc-firefox-theme/chrome/browser/devtools/light-theme.css b/arc-firefox-theme/chrome/browser/devtools/light-theme.css
index ea8b1fe..92515ff 100644
--- a/arc-firefox-theme/chrome/browser/devtools/light-theme.css
+++ b/arc-firefox-theme/chrome/browser/devtools/light-theme.css
@@ -28,7 +28,7 @@
 
   --theme-highlight-green: #2cbb0f;
   --theme-highlight-blue: #0088cc;
-  --theme-highlight-bluegrey: #5f88b0;
+  --theme-highlight-bluegrey: #0072ab;
   --theme-highlight-purple: #5b5fff;
   --theme-highlight-lightorange: #d97e00;
   --theme-highlight-orange: #f13c00;
@@ -951,73 +951,57 @@ div.CodeMirror span.eval-text {
   text-shadow: none;
 }
 
-.devtools-sidebar-tabs tabs > tab:first-child {
-  -moz-border-start-width: 0;
+.devtools-sidebar-tabs tabs > tab {
+  border-image: linear-gradient(transparent 15%, var(--theme-splitter-color) 15%, var(--theme-splitter-color) 85%, transparent 85%) 1 1;
 }
 
-.theme-dark .devtools-sidebar-tabs tabs > tab {
-  border-image: linear-gradient(transparent 15%, #5a6169 15%, #5a6169 85%, transparent 85%) 1 1;
+.devtools-sidebar-tabs tabs > tab[selected],
+.devtools-sidebar-tabs tabs > tab[selected] + tab {
+  border-image: linear-gradient(var(--theme-splitter-color), var(--theme-splitter-color)) 1 1;
+}
+
+.devtools-sidebar-tabs tabs > tab:first-child {
+  -moz-border-start-width: 0;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab:hover {
   background: hsla(206,37%,4%,.2);
-  border-image: linear-gradient(transparent 15%, #5a6169 15%, #5a6169 85%, transparent 85%) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab:hover:active {
   background: hsla(206,37%,4%,.4);
-  border-image: linear-gradient(transparent 15%, #5a6169 15%, #5a6169 85%, transparent 85%) 1 1;
-}
-
-.theme-dark .devtools-sidebar-tabs tabs > tab[selected] + tab {
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected] + tab:hover {
   background: hsla(206,37%,4%,.2);
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected] + tab:hover:active {
   background: hsla(206,37%,4%,.4);
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
 }
 
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected],
 .theme-dark .devtools-sidebar-tabs tabs > tab[selected]:hover:active {
   color: var(--theme-selection-color);
   background: #1d4f73;
-  border-image: linear-gradient(#2d5b7d, #2d5b7d) 1 1;
-}
-
-.theme-light .devtools-sidebar-tabs tabs > tab {
-  border-image: linear-gradient(transparent 15%, #aaa 15%, #aaa 85%, transparent 85%) 1 1;
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab:hover {
   background: #ddd;
-  border-image: linear-gradient(transparent 15%, #aaa 15%, #aaa 85%, transparent 85%) 1 1;
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab:hover:active {
   background: #ddd;
-  border-image: linear-gradient(transparent 15%, #aaa 15%, #aaa 85%, transparent 85%) 1 1;
-}
-
-.theme-light .devtools-sidebar-tabs tabs > tab[selected] + tab {
-  border-image: linear-gradient(#aaa, #aaa);
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab[selected] + tab:hover {
   background: #ddd;
-  border-image: linear-gradient(#aaa, #aaa);
 }
 
 .theme-light .devtools-sidebar-tabs tabs > tab[selected],
 .theme-light .devtools-sidebar-tabs tabs > tab[selected]:hover:active {
   color: var(--theme-selection-color);
   background: #4c9ed9;
-  border-image: linear-gradient(#aaa, #aaa);
 }
 
 /* Toolbox - moved from toolbox.css.
diff --git a/arc-firefox-theme/chrome/browser/devtools/netmonitor.css b/arc-firefox-theme/chrome/browser/devtools/netmonitor.css
index 92f2efc..9448a39 100644
--- a/arc-firefox-theme/chrome/browser/devtools/netmonitor.css
+++ b/arc-firefox-theme/chrome/browser/devtools/netmonitor.css
@@ -143,31 +143,28 @@
 }
 
 .requests-security-state-icon {
+  width: 16px;
+  height: 16px;
   -moz-margin-end: 4px;
-  -moz-image-region:rect(0px, 16px, 16px, 0px);
-}
-
-.requests-security-state-icon:hover {
-  -moz-image-region: rect(0px, 32px, 16px, 16px);
 }
 
 .security-state-insecure {
-  list-style-image: url(chrome://browser/skin/identity-icons-generic.png);
+  list-style-image: url(chrome://browser/skin/identity-not-secure.svg);
 }
 
 .security-state-secure {
   cursor: pointer;
-  list-style-image: url(chrome://browser/skin/identity-icons-https.png);
+  list-style-image: url(chrome://browser/skin/identity-secure.svg);
 }
 
 .security-state-weak {
   cursor: pointer;
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png);
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
 }
 
 .security-state-broken {
   cursor: pointer;
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active.png);
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
 }
 
 .requests-menu-type {
diff --git a/arc-firefox-theme/chrome/browser/devtools/performance.css b/arc-firefox-theme/chrome/browser/devtools/performance.css
index 1187fd8..8eafa36 100644
--- a/arc-firefox-theme/chrome/browser/devtools/performance.css
+++ b/arc-firefox-theme/chrome/browser/devtools/performance.css
@@ -1,7 +1,3 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
 /* vim:set ts=2 sw=2 sts=2 et: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
@@ -225,10 +221,10 @@
   width: 4.5vw;
 }
 
-.call-tree-header[type="allocations"],
-.call-tree-cell[type="allocations"],
-.call-tree-header[type="self-allocations"],
-.call-tree-cell[type="self-allocations"] {
+.call-tree-header[type="count"],
+.call-tree-cell[type="count"],
+.call-tree-header[type="self-count"],
+.call-tree-cell[type="self-count"] {
   width: 9vw;
 }
 
diff --git a/arc-firefox-theme/chrome/browser/devtools/promisedebugger.css b/arc-firefox-theme/chrome/browser/devtools/promisedebugger.css
new file mode 100644
index 0000000..e003224
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/devtools/promisedebugger.css
@@ -0,0 +1,3 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/arc-firefox-theme/chrome/browser/devtools/ruleview.css b/arc-firefox-theme/chrome/browser/devtools/ruleview.css
index c38224c..8fad666 100644
--- a/arc-firefox-theme/chrome/browser/devtools/ruleview.css
+++ b/arc-firefox-theme/chrome/browser/devtools/ruleview.css
@@ -243,14 +243,28 @@
   border-bottom-color: hsl(0,0%,50%);
 }
 
-.ruleview-selector {
+.ruleview-selectorcontainer {
   word-wrap: break-word;
+  cursor: text;
 }
 
 .ruleview-selector-separator, .ruleview-selector-unmatched {
   color: #888;
 }
 
+.ruleview-selector-matched > .ruleview-selector-attribute {
+  /* TODO: Bug 1178535 Awaiting UX feedback on highlight colors */
+}
+
+.ruleview-selector-matched > .ruleview-selector-pseudo-class {
+  /* TODO: Bug 1178535 Awaiting UX feedback on highlight colors */
+}
+
+.ruleview-selector-matched > .ruleview-selector-pseudo-class-lock {
+  font-weight: bold;
+  color: var(--theme-highlight-orange);
+}
+
 .ruleview-selectorhighlighter {
   background: url("chrome://browser/skin/devtools/vview-open-inspector.png") no-repeat 0 0;
   padding-left: 16px;
diff --git a/arc-firefox-theme/chrome/browser/devtools/scratchpad.css b/arc-firefox-theme/chrome/browser/devtools/scratchpad.css
index 96d6f70..4c8a5d1 100644
--- a/arc-firefox-theme/chrome/browser/devtools/scratchpad.css
+++ b/arc-firefox-theme/chrome/browser/devtools/scratchpad.css
@@ -1,7 +1,3 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
 
 #scratchpad-sidebar > tabs {
   height: 0;
diff --git a/arc-firefox-theme/chrome/browser/devtools/shadereditor.css b/arc-firefox-theme/chrome/browser/devtools/shadereditor.css
index c63a4c6..9ba9ff8 100644
--- a/arc-firefox-theme/chrome/browser/devtools/shadereditor.css
+++ b/arc-firefox-theme/chrome/browser/devtools/shadereditor.css
@@ -1,8 +1,4 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
diff --git a/arc-firefox-theme/chrome/browser/devtools/splitview.css b/arc-firefox-theme/chrome/browser/devtools/splitview.css
index 9710c38..902fedb 100644
--- a/arc-firefox-theme/chrome/browser/devtools/splitview.css
+++ b/arc-firefox-theme/chrome/browser/devtools/splitview.css
@@ -133,20 +133,3 @@
   min-width: 48px;
   min-height: 0;
 }
-
-
-/* Resizers */
-
-.splitview-portrait-resizer {
-  -moz-appearance: none;
-  background: linear-gradient(black 1px, rgba(255,255,255,0.2) 1px),
-              linear-gradient(hsl(210,11%,36%), hsl(210,11%,18%));
-  height: 12px;
-  background-size: 10px 2px, 100% 12px;
-  background-clip: content-box, border-box;
-  background-repeat: repeat-y, no-repeat;
-  background-position: center center;
-  padding: 2px 0;
-  border-top: 1px solid hsla(210,8%,5%,.5);
-  border-bottom: 1px solid hsla(210,8%,5%,.5);
-}
diff --git a/arc-firefox-theme/chrome/browser/devtools/storage.css b/arc-firefox-theme/chrome/browser/devtools/storage.css
index 5f6d78e..a5a897e 100644
--- a/arc-firefox-theme/chrome/browser/devtools/storage.css
+++ b/arc-firefox-theme/chrome/browser/devtools/storage.css
@@ -10,8 +10,8 @@
   overflow: auto;
 }
 
-.theme-dark #storage-tree {
-  background: #343c45; /* Toolbars */
+#storage-tree {
+  background: var(--theme-sidebar-background);
 }
 
 #storage-tree .tree-widget-item[type="store"]:after {
diff --git a/arc-firefox-theme/chrome/browser/devtools/webaudioeditor.css b/arc-firefox-theme/chrome/browser/devtools/webaudioeditor.css
index 11439a6..0d66638 100644
--- a/arc-firefox-theme/chrome/browser/devtools/webaudioeditor.css
+++ b/arc-firefox-theme/chrome/browser/devtools/webaudioeditor.css
@@ -1,8 +1,4 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
diff --git a/arc-firefox-theme/chrome/browser/devtools/widgets.css b/arc-firefox-theme/chrome/browser/devtools/widgets.css
index 17a96ad..18a6757 100644
--- a/arc-firefox-theme/chrome/browser/devtools/widgets.css
+++ b/arc-firefox-theme/chrome/browser/devtools/widgets.css
@@ -7,6 +7,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+.theme-dark {
+  --table-splitter-color: rgba(255,255,255,0.15);
+  --table-zebra-background: rgba(255,255,255,0.05);
+}
+.theme-light {
+  --table-splitter-color: rgba(0,0,0,0.15);
+  --table-zebra-background: rgba(0,0,0,0.05);
+}
 
 /* Generic pane helpers */
 
@@ -1199,43 +1207,16 @@
   overflow: auto;
 }
 
-.theme-light .table-widget-body {
-  background: var(--theme-sidebar-background);
-}
-
-.theme-dark .table-widget-body,
-.theme-dark .table-widget-empty-text {
-  background-color: var(--theme-toolbar-background);
-}
-
-.theme-dark .table-widget-body:-moz-locale-dir(ltr) {
-  box-shadow: inset -1px 0 0 #000;
-}
-
-.theme-dark .table-widget-body:-moz-locale-dir(rtl) {
-  box-shadow: inset 1px 0 0 #000;
-}
-
-.table-widget-body:-moz-locale-dir(ltr) {
-  box-shadow: inset -1px 0 0 #aaa;
-}
-
-.table-widget-body:-moz-locale-dir(rtl) {
-  box-shadow: inset 1px 0 0 #aaa;
+.table-widget-body,
+.table-widget-empty-text {
+  background-color: var(--theme-body-background);
 }
 
 /* Column Headers */
 
-.theme-dark .table-widget-column-header,
-.theme-dark .table-widget-cell {
-  -moz-border-end: 1px solid rgba(0,0,0,0.2);
-  box-shadow: inset 1px 0 0 rgba(128,128,128,0.15);
-}
-
-.theme-light .table-widget-column-header,
-.theme-light .table-widget-cell {
-  -moz-border-end: 1px solid rgba(128,128,128,0.25);
-  box-shadow: inset 1px 0 0 transparent;
+.table-widget-column-header,
+.table-widget-cell {
+  -moz-border-end: 1px solid var(--table-splitter-color) !important;
 }
 
 /* Table widget column header colors are taken from netmonitor.inc.css to match
@@ -1246,10 +1227,8 @@
   background: rgba(0,0,0,0);
   position: sticky;
   top: 0;
-  min-height: 32px;
   width: 100%;
-  border: none;
-  padding: 8px 0 0 !important;
+  padding: 5px 0 0 !important;
   color: inherit;
   text-align: center;
   font-weight: inherit !important;
@@ -1257,27 +1236,29 @@
 }
 
 .table-widget-column-header:hover {
-  background: rgba(0,0,0,0.10);
+  background-image: linear-gradient(rgba(0,0,0,0.10), rgba(0,0,0,0.10));
 }
 
 .table-widget-column-header:hover:active {
-  background: rgba(0,0,0,0.25);
+  background-image: linear-gradient(rgba(0,0,0,0.25), rgba(0,0,0,0.25));
 }
 
 .table-widget-column-header:not(:active)[sorted] {
-  background: rgba(0,0,0,0.15);
+  background-image: linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15));
 }
 
 .table-widget-column-header:not(:active)[sorted=ascending] {
-  background-image: radial-gradient(farthest-side at center top, hsla(200,100%,70%,.7), hsla(200,100%,70%,0.3));
-  background-size: 100% 1px;
-  background-repeat: no-repeat;
+  background-image: radial-gradient(farthest-side at center top, hsla(200,100%,70%,.7), hsla(200,100%,70%,0.3)),
+                    linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15));
+  background-size: 100% 1px, auto;
+  background-repeat: no-repeat, repeat;
 }
 
 .table-widget-column-header:not(:active)[sorted=descending] {
-  background-image: radial-gradient(farthest-side at center bottom, hsla(200,100%,70%,.7), hsla(200,100%,70%,0.3));
-  background-size: 100% 1px;
-  background-repeat: no-repeat;
+  background-image: radial-gradient(farthest-side at center bottom, hsla(200,100%,70%,.7), hsla(200,100%,70%,0.3)),
+                    linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15));
+  background-size: 100% 1px, auto;
+  background-repeat: no-repeat, repeat;
   background-position: bottom;
 }
 
@@ -1285,44 +1266,22 @@
 
 .table-widget-cell {
   width: 100%;
-  margin: -1px 0 !important;
   padding: 3px 4px;
   background-clip: padding-box;
   min-width: 100px;
   -moz-user-focus: normal;
-}
-
-.theme-dark .table-widget-cell {
-  border-top: 1px solid rgba(0,0,0,0.2);
-  border-bottom: 1px solid rgba(128,128,128,0.15);
-  color: var(--theme-selection-color);
-}
-
-.theme-dark:not(.filtering) .table-widget-cell:nth-child(odd):not(.theme-selected),
-.theme-dark .table-widget-cell:not(.theme-selected)[odd] {
-  background: rgba(255,255,255,0.05);
-}
-
-.theme-dark .table-widget-cell:last-of-type {
-  box-shadow: inset 0 -1px 0 rgba(0,0,0,0.2);
-}
-
-.theme-light .table-widget-cell {
-  border-top: 1px solid rgba(128,128,128,0.15);
+  margin-bottom: -1px !important;
   border-bottom: 1px solid transparent;
-}
-
-.theme-light .table-widget-cell:not(.theme-selected) {
   color: var(--theme-body-color);
 }
 
-.theme-light:not(.filtering) .table-widget-cell:nth-child(odd):not(.theme-selected),
-.theme-light .table-widget-cell:not(.theme-selected)[odd] {
-  background: rgba(128,128,128,0.05);
+.table-widget-cell:last-child {
+  border-bottom: 1px solid var(--table-splitter-color);
 }
 
-.theme-light .table-widget-cell:last-of-type {
-  box-shadow: inset 0 -1px 0 rgba(128,128,128,0.15);
+:root:not(.filtering) .table-widget-cell:nth-child(odd):not(.theme-selected),
+.table-widget-cell:not(.theme-selected)[odd] {
+  background: var(--table-zebra-background);
 }
 
 .table-widget-cell.flash-out {
@@ -1344,10 +1303,6 @@
   margin-top: -20px !important;
 }
 
-.theme-light .table-widget-empty-text {
-  background: #F7F7F7; /* Background-Sidebar */
-}
-
 .table-widget-body:empty + .table-widget-empty-text:not([value=""]),
 .table-widget-body[empty] + .table-widget-empty-text:not([value=""]) {
   display: block;
@@ -1399,11 +1354,11 @@
 }
 
 .tree-widget-item[level="1"] {
-  font-weight: 800;
+  font-weight: 700;
 }
 
 /* Twisties */
-.tree-widget-item:before {
+.tree-widget-item::before {
   content: "";
   width: 14px;
   height: 14px;
@@ -1416,24 +1371,24 @@
   background-position: -28px -14px;
 }
 
-.tree-widget-item:-moz-locale-dir(rtl):before {
+.tree-widget-item:-moz-locale-dir(rtl)::before {
   float: right;
   transform: scaleX(-1);
 }
 
-.theme-light .tree-widget-item:before {
+.theme-light .tree-widget-item:not(.theme-selected)::before {
   background-position: 0 -14px;
 }
 
-.tree-widget-item[empty]:before {
+.tree-widget-item[empty]::before {
   background: transparent;
 }
 
-.tree-widget-item[expanded]:before {
+.tree-widget-item[expanded]::before {
   background-position: -42px -14px;
 }
 
-.theme-light .tree-widget-item[expanded]:before {
+.theme-light .tree-widget-item:not(.theme-selected)[expanded]:before {
   background-position: -14px -14px;
 }
 
@@ -1511,7 +1466,7 @@
 
 /* Custom icons for certain tree items indicating the type of the item */
 
-.tree-widget-item[type]:after {
+.tree-widget-item[type]::after {
   content: "";
   float: left;
   width: 16px;
@@ -1519,31 +1474,36 @@
   -moz-margin-end: 4px;
   background-repeat: no-repeat;
   background-size: 20px auto;
-  filter: url('filters.svg#invert');
   background-position: 0 0;
   background-size: auto 20px;
+  opacity: 0.75;
+}
+
+.tree-widget-item.theme-selected[type]::after {
+  opacity: 1;
 }
 
-.tree-widget-item:-moz-locale-dir(rtl):after {
+.tree-widget-item:-moz-locale-dir(rtl)::after {
   float: right;
 }
 
-.theme-dark .tree-widget-item[type]:after {
-  filter: url('filters.svg#invert-white');
+.theme-light .tree-widget-item.theme-selected[type]::after,
+.theme-dark .tree-widget-item[type]::after {
+  filter: invert(1);
 }
 
-.tree-widget-item[type="dir"]:after {
+.tree-widget-item[type="dir"]::after {
   background-image: url(chrome://browser/skin/devtools/filetype-dir-close.svg);
   background-position: 2px 0;
   background-size: auto 16px;
   width: 20px;
 }
 
-.tree-widget-item[type="dir"][expanded]:not([empty]):after {
+.tree-widget-item[type="dir"][expanded]:not([empty])::after {
   background-image: url(chrome://browser/skin/devtools/filetype-dir-open.svg);
 }
 
-.tree-widget-item[type="url"]:after {
+.tree-widget-item[type="url"]::after {
   background-image: url(chrome://browser/skin/devtools/filetype-globe.svg);
   background-size: auto 18px;
   width: 18px;
diff --git a/arc-firefox-theme/chrome/browser/feeds/audioFeedIcon.png b/arc-firefox-theme/chrome/browser/feeds/audioFeedIcon.png
new file mode 100644
index 0000000..a788fff
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/feeds/audioFeedIcon.png
diff --git a/arc-firefox-theme/chrome/browser/feeds/audioFeedIcon16.png b/arc-firefox-theme/chrome/browser/feeds/audioFeedIcon16.png
new file mode 100644
index 0000000..f8536a4
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/feeds/audioFeedIcon16.png
diff --git a/arc-firefox-theme/chrome/browser/feeds/subscribe.css b/arc-firefox-theme/chrome/browser/feeds/subscribe.css
index 4cd70fa..03b534a 100644
--- a/arc-firefox-theme/chrome/browser/feeds/subscribe.css
+++ b/arc-firefox-theme/chrome/browser/feeds/subscribe.css
@@ -20,6 +20,7 @@ html {
   border-radius: 10px;
   margin: -4em auto 0 auto;
   background-color: InfoBackground;
+  -moz-appearance: -moz-gtk-info-bar;
 }
 
 #feedHeader {  
@@ -29,19 +30,19 @@ html {
   -moz-margin-end: 1em;
   -moz-padding-start: 2.9em;
   font-size: 110%;
-  color: InfoText;
+  color: -moz-gtk-info-bar-text;
 }
 
 .feedBackground {
-  background: url("chrome://browser/skin/feeds/feedIcon.png") 0% 10% no-repeat InfoBackground;
+  background: url("chrome://browser/skin/feeds/feedIcon.png") 0% 10% no-repeat;
 }
 
 .videoPodcastBackground {
-  background: url("chrome://browser/skin/feeds/videoFeedIcon.png") 0% 10% no-repeat InfoBackground;
+  background: url("chrome://browser/skin/feeds/videoFeedIcon.png") 0% 10% no-repeat;
 }
 
 .audioPodcastBackground {
-  background: url("chrome://browser/skin/feeds/audioFeedIcon.png") 0% 10% no-repeat InfoBackground;
+  background: url("chrome://browser/skin/feeds/audioFeedIcon.png") 0% 10% no-repeat;
 }
 
 #feedHeader[dir="rtl"] {
diff --git a/arc-firefox-theme/chrome/browser/feeds/videoFeedIcon.png b/arc-firefox-theme/chrome/browser/feeds/videoFeedIcon.png
new file mode 100644
index 0000000..a788fff
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/feeds/videoFeedIcon.png
diff --git a/arc-firefox-theme/chrome/browser/feeds/videoFeedIcon16.png b/arc-firefox-theme/chrome/browser/feeds/videoFeedIcon16.png
new file mode 100644
index 0000000..f8536a4
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/feeds/videoFeedIcon16.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/android.png b/arc-firefox-theme/chrome/browser/fxa/android.png
new file mode 100644
index 0000000..bb1ada8
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/android.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/android@2x.png b/arc-firefox-theme/chrome/browser/fxa/android@2x.png
new file mode 100644
index 0000000..957b907
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/android@2x.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/default-avatar.png b/arc-firefox-theme/chrome/browser/fxa/default-avatar.png
new file mode 100644
index 0000000..6ed0e7a
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/default-avatar.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/default-avatar@2x.png b/arc-firefox-theme/chrome/browser/fxa/default-avatar@2x.png
new file mode 100644
index 0000000..0bda852
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/default-avatar@2x.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/default-profile-image.svg b/arc-firefox-theme/chrome/browser/fxa/default-profile-image.svg
deleted file mode 100644
index 2b95431..0000000
--- a/arc-firefox-theme/chrome/browser/fxa/default-profile-image.svg
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000">
-  <path fill="#c3cfd8" d="M500-0.3c276.1,0,500,223.9,500,500s-223.9,500-500,500S0,775.8,0,499.7C0,223.5,223.9-0.3,500-0.3z"/>
-  <circle fill="#fff" cx="500" cy="317" r="139.1"/>
-  <path fill="#fff" d="M751.8,643.6L751.8,643.6c0.1-2.3,0.2-4.6,0.2-6.9c0-68-55.3-127-136.2-156.3L505.9,590.4h0 c-0.4,29.8-1.4,58.8-2.8,86.6c-1,0.1-2,0.3-3.1,0.3s-2-0.2-3.1-0.3c-1.4-27.9-2.4-56.9-2.8-86.7h0L384.3,480.4 C303.3,509.7,248,568.7,248,636.7c0,2.3,0.1,4.6,0.2,6.9l7.4,49.7c57.1,72,145.4,118.2,244.4,118.2c99,0,187.3-46.2,244.4-118.2 L751.8,643.6z"/>
-</svg>
diff --git a/arc-firefox-theme/chrome/browser/fxa/logo.png b/arc-firefox-theme/chrome/browser/fxa/logo.png
new file mode 100644
index 0000000..b54b392
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/logo.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/logo@2x.png b/arc-firefox-theme/chrome/browser/fxa/logo@2x.png
new file mode 100644
index 0000000..5d25f05
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/logo@2x.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/sync-illustration.png b/arc-firefox-theme/chrome/browser/fxa/sync-illustration.png
new file mode 100644
index 0000000..c6de26c
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/sync-illustration.png
diff --git a/arc-firefox-theme/chrome/browser/fxa/sync-illustration@2x.png b/arc-firefox-theme/chrome/browser/fxa/sync-illustration@2x.png
new file mode 100644
index 0000000..bc13da3
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/sync-illustration@2x.png
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-generic.png b/arc-firefox-theme/chrome/browser/identity-icons-generic.png
deleted file mode 100644
index a39e493..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-generic.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-generic@2x.png b/arc-firefox-theme/chrome/browser/identity-icons-generic@2x.png
deleted file mode 100644
index e7c041e..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-generic@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https-ev.png b/arc-firefox-theme/chrome/browser/identity-icons-https-ev.png
deleted file mode 100644
index d49be13..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https-ev.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https-ev@2x.png b/arc-firefox-theme/chrome/browser/identity-icons-https-ev@2x.png
deleted file mode 100644
index 93a615d..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https-ev@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-active.png b/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-active.png
deleted file mode 100644
index 3c77bc8..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-active.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-active@2x.png b/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-active@2x.png
deleted file mode 100644
index cb3456e..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-active@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-display.png b/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-display.png
deleted file mode 100644
index 09b4e97..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-display.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-display@2x.png b/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-display@2x.png
deleted file mode 100644
index c79694f..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https-mixed-display@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https.png b/arc-firefox-theme/chrome/browser/identity-icons-https.png
deleted file mode 100644
index ffd6694..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-icons-https@2x.png b/arc-firefox-theme/chrome/browser/identity-icons-https@2x.png
deleted file mode 100644
index a4af07b..0000000
--- a/arc-firefox-theme/chrome/browser/identity-icons-https@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/identity-mixed-active-blocked.svg b/arc-firefox-theme/chrome/browser/identity-mixed-active-blocked.svg
new file mode 100644
index 0000000..8b442ba
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/identity-mixed-active-blocked.svg
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon-default {
+      fill: #4d9a26;
+    }
+  </style>
+
+  <defs>
+    <rect id="shape-lock-clasp-outer" x="2" y="1" width="8" height="10" rx="4" ry="4" />
+    <rect id="shape-lock-clasp-inner" x="4" y="3" width="4" height="6" rx="2" ry="2" />
+    <rect id="shape-lock-base" x="1" y="6" width="10" height="7" rx="1" ry="1" />
+
+    <mask id="mask-clasp-cutout">
+      <rect width="16" height="16" fill="#000" />
+      <use xlink:href="#shape-lock-clasp-outer" fill="#fff" />
+      <use xlink:href="#shape-lock-clasp-inner" fill="#000" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-lock-clasp-outer" mask="url(#mask-clasp-cutout)" class="icon-default" />
+  <use xlink:href="#shape-lock-base" class="icon-default" />
+  <path fill="#fff" d="M10.5,5C9.8,5,9.1,5.4,8.8,6.2l-3.5,6.8c-0.4,0.7-0.4,1.4,0,2c0.4,0.6,1,1,1.8,1H14c0.8,0,1.4-0.4,1.8-1 c0.3-0.6,0.3-1.4,0-2l-3.5-6.8C11.9,5.4,11.2,5,10.5,5L10.5,5z"/>
+  <path fill="#999" d="M14.8,13.4l-3.5-6.8C11.2,6.2,10.9,6,10.5,6c-0.3,0-0.7,0.2-0.9,0.6l-3.5,6.8c-0.2,0.4-0.2,0.8,0,1.1C6.3,14.8,6.6,15,7,15 H14c0.4,0,0.7-0.2,0.9-0.5C15.1,14.2,15,13.8,14.8,13.4z"/>
+  <path fill="#fff" d="M10,8.5C10,8.2,10.2,8,10.5,8S11,8.2,11,8.5L10.8,11h-0.6L10,8.5z" />
+  <circle fill="#fff" cx="10.5" cy="12.5" r=".75" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/identity-mixed-active-loaded.svg b/arc-firefox-theme/chrome/browser/identity-mixed-active-loaded.svg
new file mode 100644
index 0000000..b7191a8
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/identity-mixed-active-loaded.svg
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon-default {
+      fill: #999;
+    }
+  </style>
+
+  <defs>
+    <rect id="shape-lock-clasp-outer" x="4" y="2" width="8" height="10" rx="4" ry="4" />
+    <rect id="shape-lock-clasp-inner" x="6" y="4" width="4" height="6" rx="2" ry="2" />
+    <rect id="shape-lock-base" x="3" y="7" width="10" height="7" rx="1" ry="1" />
+
+    <mask id="mask-clasp-cutout">
+      <rect width="16" height="16" fill="#000" />
+      <use xlink:href="#shape-lock-clasp-outer" fill="#fff" />
+      <use xlink:href="#shape-lock-clasp-inner" fill="#000" />
+      <line x1="2" y1="13" x2="14" y2="1.5" stroke="#000" stroke-width="2" />
+      <line x1="2" y1="15" x2="14" y2="3.5" stroke="#000" stroke-width="2" />
+      <rect x="3" y="7" width="10" height="7" rx="1" ry="1" fill="#000" />
+    </mask>
+
+    <mask id="mask-base-cutout">
+      <rect width="16" height="16" fill="#000" />
+      <use xlink:href="#shape-lock-base" fill="#fff" />
+      <line x1="2" y1="14.8" x2="14" y2="3.2" stroke="#000" stroke-width="1.8" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-lock-clasp-outer" mask="url(#mask-clasp-cutout)" class="icon-default" />
+  <use xlink:href="#shape-lock-base" mask="url(#mask-base-cutout)" class="icon-default" />
+
+  <line x1="2" y1="14.1" x2="14" y2="2.5" stroke="#d92d21" stroke-width="1.8" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/identity-mixed-passive-loaded.svg b/arc-firefox-theme/chrome/browser/identity-mixed-passive-loaded.svg
new file mode 100644
index 0000000..d1e9dbd
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/identity-mixed-passive-loaded.svg
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon-default {
+      fill: #808080;
+    }
+  </style>
+
+  <defs>
+    <rect id="shape-lock-clasp-outer" x="2" y="1" width="8" height="10" rx="4" ry="4" />
+    <rect id="shape-lock-clasp-inner" x="4" y="3" width="4" height="6" rx="2" ry="2" />
+    <rect id="shape-lock-base" x="1" y="6" width="10" height="7" rx="1" ry="1" />
+
+    <mask id="mask-clasp-cutout">
+      <rect width="16" height="16" fill="#000" />
+      <use xlink:href="#shape-lock-clasp-outer" fill="#fff" />
+      <use xlink:href="#shape-lock-clasp-inner" fill="#000" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-lock-clasp-outer" mask="url(#mask-clasp-cutout)" class="icon-default" />
+  <use xlink:href="#shape-lock-base" class="icon-default" />
+  <path fill="#fff" d="M10.5,5C9.8,5,9.1,5.4,8.8,6.2l-3.5,6.8c-0.4,0.7-0.4,1.4,0,2c0.4,0.6,1,1,1.8,1H14c0.8,0,1.4-0.4,1.8-1 c0.3-0.6,0.3-1.4,0-2l-3.5-6.8C11.9,5.4,11.2,5,10.5,5L10.5,5z"/>
+  <path fill="#ffbf00" d="M14.8,13.4l-3.5-6.8C11.2,6.2,10.9,6,10.5,6c-0.3,0-0.7,0.2-0.9,0.6l-3.5,6.8c-0.2,0.4-0.2,0.8,0,1.1C6.3,14.8,6.6,15,7,15 H14c0.4,0,0.7-0.2,0.9-0.5C15.1,14.2,15,13.8,14.8,13.4z"/>
+  <path fill="#fff" d="M10,8.5C10,8.2,10.2,8,10.5,8S11,8.2,11,8.5L10.8,11h-0.6L10,8.5z" />
+  <circle fill="#fff" cx="10.5" cy="12.5" r=".75" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/identity-not-secure.svg b/arc-firefox-theme/chrome/browser/identity-not-secure.svg
new file mode 100644
index 0000000..a57a5af
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/identity-not-secure.svg
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <circle fill="#a6a6a6" cx="8" cy="8" r="7" />
+  <path transform="translate(1 1)" fill="#fff" d="M5.31617536,1.74095137 C5.29841561,1.73995137 5.27868256,1.74095137 5.26190947,1.74795137 C5.25796286,1.74995137 5.2530296,1.75395137 5.24908299,1.75895137 C5.2550029,1.75895137 5.26190947,1.75895137 5.26684273,1.75795137 C5.28460248,1.75395137 5.29841561,1.74195137 5.31617536,1.74095137 L5.31617536,1.74095137 Z M5.33886837,2.59995137 C5.36156138,2.57095137 5.30729549,2.54695137 5.27670926,2.54895137 C5.28460248,2.51395137 5.32900184,2.49595137 5.31716201,2.45195137 C5.30630884,2.40595137 5.25105629,2.41495137 5.22145672,2.43995137 C5.1948171,2.46295137 5.18100396,2.50295137 5.15831095,2.52995137 C5.14548447,2.54495137 5.12180481,2.54995137 5.11292494,2.56795137 C5.10503172,2.58495137 5.11489824,2.61395137 5.11391159,2.63295137 C5.15041773,2.63795137 5.18889718,2.62695137 5.2155368,2.60095137 L5.23329655,2.59295137 C5.22934994,2.59595137 5.22737663,2.60295137 5.22540333,2.60695137 C5.24316307,2.62895137 5.32209528,2.62295137 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11.3357425,11.1209514 C11.3219293,11.0999514 11.3012096,11.0409514 11.2725967,11.0919514 C11.2558236,11.1249514 11.2666768,11.1579514 11.2400372,11.1879514 C11.2133976,11.2159514 11.2153709,11.2499514 11.1966245,11.2809514 C11.1680115,11.3299514 11.1393986,11.3589514 11.0910527,11.3879514 C11.0525732,11.4109514 11.04468,11.4539514 11.0170537,11.4859514 C10.9874541,11.5209514 10.9420681,11.5339514 10.9016154,11.5519514 C10.8730024,11.5639514 10.8256431,11.5979514 10.7930836,11.5789514 C10.7496709,11.5519514 10.80887,11.5039514 10.8295897,11.4869514 C10.8493228,11.4709514 10.9430548,11.4139514 10.9213484,11.3819514 C10.9065486,11.3609514 10.8532694,11.3639514 10.831563,11.3659514 C10.7871637,11.3709514 10.7536175,11.4159514 10.7161247,11.4369514 C10.6736986,11.4609514 10.6371925,11.4809514 10.5908198,11.4969514 C10.5375406,11.5159514 10.533594,11.5659514 10.4911679,11.5959514 C10.4576217,11.6219514 10.414209,11.6419514 10.3707963,11.6419514 C10.3135705,11.6419514 10.3165304,11.5939514 10.2997573,11.5539514 C10.278051,11.5569514 10.2593046,11.5849514 10.2385849,11.5939514 C10.2050387,11.6079514 10.1833323,11.6239514 10.1981321,11.6609514 C10.2119452,11.6989514 10.0590141,11.7339514 10.0323745,11.7529514 C10.0264546,11.7339514 10.0560541,11.7139514 10.067894,11.7029514 C10.0205346,11.6989514 9.96725541,11.7399514 9.91890944,11.7469514 C9.87253677,11.7529514 9.81531092,11.7849514 9.80840435,11.8329514 C9.80347109,11.8709514 9.75315181,11.8699514 9.72157893,11.8829514 C9.66928635,11.9049514 9.6909927,11.9359514 9.68112618,11.9779514 C9.66139313,12.0569514 9.49662215,11.9969514 9.58048762,11.8919514 C9.61008719,11.8549514 9.65448656,11.8309514 9.68112618,11.7929514 C9.71171241,11.7489514 9.71664567,11.6939514 9.74032533,11.6469514 C9.68803274,11.6619514 9.64856664,11.6919514 9.60416728,11.7209514 C9.553848,11.7539514 9.51142194,11.7459514 9.45518275,11.7349514 C9.39006368,11.7209514 9.34467766,11.7539514 9.28449186,11.7689514 C9.24601241,11.7779514 9.16017364,11.7749514 9.15524038,11.8309514 C9.15228042,11.8669514 9.21443953,11.8739514 9.23515923,11.8949514 C9.26574546,11.9269514 9.29929165,11.9739514 9.32494461,12.0099514 C9.34566432,12.0379514 9.42262321,12.0769514 9.41768995,12.1129514 C9.40979673,12.1829514 9.32198465,12.1709514 9.27462533,12.1829514 C9.22726601,12.1949514 9.22035944,12.2379514 9.1858266,12.2639514 C9.1463605,12.2929514 9.09308127,12.2589514 9.04966855,12.2769514 C9.00526919,12.2939514 8.97369631,12.3339514 8.93521686,12.3599514 C8.87009779,12.4049514 8.82767173,12.3559514 8.76057936,12.3529514 C8.70631347,12.3509514 8.65698085,12.3759514 8.60567491,12.3869514 C8.55930224,12.3969514 8.50306305,12.4049514 8.46754356,12.4379514 C8.38959801,12.5079514 8.64020775,12.4889514 8.66388741,12.4869514 C8.65303424,12.5269514 8.64218106,12.5739514 8.60567491,12.5999514 C8.5602889,12.6329514 8.49615648,12.6249514 8.4438639,12.6369514 C8.40341114,12.6469514 8.34717195,12.6919514 8.4063711,12.7239514 C8.45965034,12.7509514 8.52772936,12.7369514 8.5810086,12.7179514 C8.64218106,12.6969514 8.6994069,12.6639514 8.76353932,12.6499514 C8.83063169,12.6349514 8.90068402,12.6419514 8.96777639,12.6299514 C9.03980203,12.6159514 9.10294779,12.5769514 9.17004016,12.5499514 C9.23417258,12.5239514 9.30126495,12.5139514 9.36934398,12.5119514 C9.35553084,12.5369514 9.28843847,12.5349514 9.2627855,12.5409514 C9.21246622,12.5509514 9.17793338,12.5949514 9.1256408,12.5919514 C9.06644165,12.5899514 9.07334822,12.6319514 9.03092216,12.6419514 C9.00329589,12.6489514 8.93817682,12.7129514 8.91745711,12.6729514 C8.90167067,12.6419514 8.87108445,12.6479514 8.86121792,12.6859514 C8.8533247,12.7139514 8.86911114,12.7239514 8.83063169,12.7249514 C8.80103212,12.7249514 8.78721898,12.7129514 8.76057936,12.7059514 C8.70730012,12.6919514 8.68362046,12.7469514 8.64612767,12.7609514 C8.59087513,12.7819514 8.53167597,12.7749514 8.47839674,12.8099514 C8.44781051,12.8299514 8.41426432,12.8359514 8.37775818,12.8469514 C8.31165246,12.8679514 8.24949335,12.8929514 8.18338763,12.9149514 C8.1320817,12.9329514 8.08077576,12.9549514 8.02552322,12.9559514 C8.00283021,12.9559514 7.91205818,12.9399514 7.89725839,12.9669514 C7.86963212,13.0169514 7.95448424,12.9979514 7.97224399,12.9879514 C8.02256327,12.9609514 8.08373572,12.9769514 8.13997492,12.9769514 C8.20904059,12.9769514 8.26626644,12.9629514 8.32842555,12.9309514 C8.34519864,12.9219514 8.45669038,12.8979514 8.4626103,12.9109514 C8.47247682,12.9169514 8.54647576,12.8899514 8.55930224,12.8869514 C8.61948805,12.8729514 8.67967385,12.8599514 8.73887301,12.8449514 C8.92140372,12.7979514 9.10097449,12.7269514 9.27857194,12.6659514 C9.6327802,12.5459514 9.95837554,12.3429514 10.2662111,12.1369514 C10.4053291,12.0439514 10.5187942,11.9219514 10.669752,11.8459514 C10.8216965,11.7699514 10.9578546,11.6689514 11.0969726,11.5739514 C11.2331306,11.4809514 11.3367291,11.3529514 11.4501942,11.2359514 C11.5646459,11.1169514 11.6613378,11.0049514 11.7116571,10.8469514 C11.6830442,10.8399514 11.6534446,10.8989514 11.6297649,10.9099514 C11.5902988,10.9289514 11.5212332,10.9189514 11.4896603,10.9489514 L11.4896603,10.9489514 Z M10.6391658,10.7879514 C10.6736986,10.7409514 10.6440991,10.6769514 10.5829266,10.7139514 C10.5602336,10.7269514 10.5631935,10.7529514 10.5454338,10.7689514 C10.5266874,10.7859514 10.5247141,10.7659514 10.5059677,10.7609514 C10.4793281,10.7549514 10.4359154,10.7909514 10.4270355,10.8149514 C10.3905294,10.8139514 10.3579698,10.8549514 10.3747429,10.8869514 C10.4230889,10.8689514 10.4526885,10.8239514 10.504981,10.8379514 C10.5464205,10.8489514 10.6125262,10.8229514 10.6391658,10.7879514 L10.6391658,10.7879514 Z" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/identity-secure.svg b/arc-firefox-theme/chrome/browser/identity-secure.svg
new file mode 100644
index 0000000..5dad890
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/identity-secure.svg
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon-default {
+      fill: #4d9a26;
+    }
+  </style>
+
+  <defs>
+    <rect id="shape-lock-clasp-outer" x="4" y="2" width="8" height="10" rx="4" ry="4" />
+    <rect id="shape-lock-clasp-inner" x="6" y="4" width="4" height="6" rx="2" ry="2" />
+    <rect id="shape-lock-base" x="3" y="7" width="10" height="7" rx="1" ry="1" />
+
+    <mask id="mask-clasp-cutout">
+      <rect width="16" height="16" fill="#000" />
+      <use xlink:href="#shape-lock-clasp-outer" fill="#fff" />
+      <use xlink:href="#shape-lock-clasp-inner" fill="#000" />
+    </mask>
+  </defs>
+
+  <use xlink:href="#shape-lock-clasp-outer" mask="url(#mask-clasp-cutout)" class="icon-default" />
+  <use xlink:href="#shape-lock-base" class="icon-default" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/info.svg b/arc-firefox-theme/chrome/browser/info.svg
new file mode 100644
index 0000000..f004119
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/info.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <circle fill="#00a1f2" cx="8" cy="8" r="8" />
+  <circle fill="#fff" cx="8" cy="4" r="1.25" />
+  <rect x="7" y="7" width="2" height="6" rx="1" ry="1" fill="#fff" />
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/mask.png b/arc-firefox-theme/chrome/browser/mask.png
deleted file mode 100644
index f48d176..0000000
--- a/arc-firefox-theme/chrome/browser/mask.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/mask@2x.png b/arc-firefox-theme/chrome/browser/mask@2x.png
deleted file mode 100644
index e284af0..0000000
--- a/arc-firefox-theme/chrome/browser/mask@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/newtab/close.png b/arc-firefox-theme/chrome/browser/newtab/close.png
new file mode 100644
index 0000000..ea6ada4
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/newtab/close.png
diff --git a/arc-firefox-theme/chrome/browser/newtab/newTab.css b/arc-firefox-theme/chrome/browser/newtab/newTab.css
index 81042b4..4073cd9 100644
--- a/arc-firefox-theme/chrome/browser/newtab/newTab.css
+++ b/arc-firefox-theme/chrome/browser/newtab/newTab.css
@@ -12,16 +12,6 @@
   background-color: transparent;
 }
 
-/* SCROLLBOX */
-#newtab-scrollbox:not([page-disabled]) {
-  color: rgb(0,0,0);
-  background-color: #f9f9f9;
-}
-
-#newtab-scrollbox:not([page-disabled]) #newtab-margin-bottom {
-  background: inherit;
-}
-
 /* UNDO */
 #newtab-undo-container {
   padding: 4px 3px;
@@ -61,8 +51,24 @@
   border: none;
 }
 
-#newtab-undo-close-button:-moz-focusring {
-  outline: 1px dotted;
+#newtab-undo-close-button {
+  -moz-appearance: none;
+  padding: 0;
+  border: none;
+  height: 16px;
+  width: 16px;
+  float: right;
+  right: 0;
+  background-image: -moz-image-rect(url(chrome://browser/skin/newtab/close.png), 0, 16, 16, 0);
+  background-color: transparent;
+}
+
+#newtab-undo-close-button:hover {
+  background-image: -moz-image-rect(url(chrome://browser/skin/newtab/close.png), 0, 32, 16, 16);
+}
+
+#newtab-undo-close-button:hover:active {
+  background-image: -moz-image-rect(url(chrome://browser/skin/newtab/close.png), 0, 48, 16, 32);
 }
 
 /* CUSTOMIZE */
@@ -184,7 +190,7 @@
   margin-top: 6px;
 }
 
-.newtab-site[pinned] .newtab-title:-moz-locale-dir(rtl)::before {
+.newtab-site[pinned] .newtab-title:-moz-dir(rtl)::before {
   left: auto;
   right: 0;
 }
diff --git a/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css b/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css
index a7eaff1..16d0aee 100644
--- a/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css
+++ b/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css
@@ -112,9 +112,6 @@
 .pref-icon[type="plugins"] {
   list-style-image: url(chrome://mozapps/skin/plugins/pluginGeneric.png);
 }
-.pref-icon[type="fullscreen"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
 .pref-icon[type="camera"] {
   list-style-image: url(chrome://global/skin/icons/question-64.png);
 }
diff --git a/arc-firefox-theme/chrome/browser/preferences/in-content/preferences.css b/arc-firefox-theme/chrome/browser/preferences/in-content/preferences.css
index 28f5fc3..c83e0eb 100644
--- a/arc-firefox-theme/chrome/browser/preferences/in-content/preferences.css
+++ b/arc-firefox-theme/chrome/browser/preferences/in-content/preferences.css
@@ -194,15 +194,23 @@ treecol {
   -moz-margin-end: 8px !important;
 }
 
+/* Privacy pane */
+
+#doNotTrackInfo,
+#trackingProtectionPBMLearnMore,
+#trackingProtectionLearnMore {
+  -moz-margin-start: 1.5em !important;
+  margin-top: 0;
+}
+
 /* Collapse the non-active vboxes in decks to use only the height the
    active vbox needs */
 #historyPane:not([selectedIndex="1"]) > #historyDontRememberPane,
 #historyPane:not([selectedIndex="2"]) > #historyCustomPane,
 #weavePrefsDeck:not([selectedIndex="1"]) > #hasAccount,
 #weavePrefsDeck:not([selectedIndex="2"]) > #needsUpdate,
-#weavePrefsDeck:not([selectedIndex="3"]) > #fxaDeterminingStatus,
-#weavePrefsDeck:not([selectedIndex="4"]) > #noFxaAccount,
-#weavePrefsDeck:not([selectedIndex="5"]) > #hasFxaAccount,
+#weavePrefsDeck:not([selectedIndex="3"]) > #noFxaAccount,
+#weavePrefsDeck:not([selectedIndex="4"]) > #hasFxaAccount,
 #fxaLoginStatus:not([selectedIndex="1"]) > #fxaLoginUnverified,
 #fxaLoginStatus:not([selectedIndex="2"]) > #fxaLoginRejected {
   visibility: collapse;
@@ -214,28 +222,6 @@ description > html|a {
   cursor: pointer;
 }
 
-#fxaProfileImage {
-  width: 60px;
-  height: 60px;
-  border-radius: 50%;
-  border-width: 5px;
-  border-color: red;
-  background-image: url(chrome://browser/skin/fxa/default-profile-image.svg);
-  background-size: contain;
-  cursor: pointer;
-  -moz-margin-end: 15px;
-}
-
-#fxaProfileImage:hover {
-  border-color: blue;
-}
-
-#noFxaAccount {
-  /* Overriding the margins from the base preferences.css theme file.
-     These overrides can be simplified by fixing bug 1027174 */
-  margin: 0;
-}
-
 #weavePrefsDeck > vbox > label,
 #weavePrefsDeck > vbox > groupbox,
 #weavePrefsDeck > vbox > description,
@@ -266,16 +252,8 @@ description > html|a {
   -moz-margin-start: 33px;
 }
 
-#trackingProtectionImage {
-  width: 16px;
-  height: 16px;
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-16.png);
-}
-
-@media (min-resolution: 2dppx) {
-  #trackingProtectionImage {
-    list-style-image: url(chrome://browser/skin/bad-content-blocked-16@2x.png);
-  }
+.text-link {
+  margin-bottom: 0;
 }
 
 #showUpdateHistory {
@@ -392,13 +370,176 @@ description > html|a {
  * Sync
  */
 
+#fxaProfileImage {
+  max-width: 60px;
+  border-radius: 50%;
+  list-style-image: url(chrome://browser/skin/fxa/default-avatar.png);
+  margin-inline-end: 15px;
+}
+
+#fxaProfileImage.actionable {
+  cursor: pointer;
+}
+
+#fxaProfileImage.actionable:hover {
+  box-shadow: 0px 0px 0px 1px #0095DD;
+}
+
+#fxaProfileImage.actionable:hover:active {
+  box-shadow: 0px 0px 0px 1px #ff9500;
+}
+
+#noFxaAccount {
+  /* Overriding the margins from the base preferences.css theme file.
+     These overrides can be simplified by fixing bug 1027174 */
+  margin: 0;
+  padding-top: 15px;
+}
+
+#fxaContentWrapper {
+  -moz-box-flex: 1;
+}
+
+#noFxaGroup {
+  -moz-box-flex: 1;
+  margin: 0;
+}
+
+#fxaContentWrapper {
+  padding-right: 15px;
+}
+
+#noFxaGroup > vbox,
+#fxaGroup {
+  -moz-box-align: start;
+}
+
+#fxaSyncEngines > vbox:first-child {
+  margin-right: 80px;
+}
+
+#fxaSyncComputerName {
+  margin-inline-start: 0px;
+  -moz-box-flex: 1;
+}
+
+#tosPP-small-ToS {
+  margin-bottom: 14px;
+}
+
+#noFxaCaption {
+  font-weight: bold;
+  margin-bottom: 11px;
+}
+
+.fxaSyncIllustration {
+  margin-top: 35px;
+}
+
+#syncOptions caption {
+  margin-bottom: 11px;
+}
+
 #fxaDeviceName {
-  margin: 14px 0px;
+  margin-bottom: 27.5px;
+}
+
+#noFxaDescription {
+  margin-bottom: 20px !important;
+}
+
+.separator {
+  border-bottom: 1px solid var(--in-content-header-border-color);
+}
+
+.fxaAccountBox {
+  border: 1px solid #D1D2D3;
+  border-radius: 5px;
+  padding: 14px 20px 14px 14px;
+}
+
+#signedOutAccountBoxTitle {
+  margin-inline-start: 6px !important;
+  font-weight: bold;
+}
+
+.fxaAccountBoxButtons {
+  margin-bottom: 0 !important;
+  margin-top: 11px;
+}
+
+.fxaAccountBoxButtons > button {
+  padding-left: 11px;
+  padding-right: 11px;
 }
 
-#fxaSyncComputerName.plain {
-  background-color: transparent;
-  opacity: 1;
+.fxaSyncIllustration {
+  width: 231px;
+  list-style-image: url(chrome://browser/skin/fxa/sync-illustration.png)
+}
+
+#fxaEmailAddress1,
+#fxaEmailAddress2,
+#fxaEmailAddress3 {
+  word-break: break-all;
+}
+
+.fxaFirefoxLogo {
+  list-style-image: url(chrome://browser/skin/fxa/logo.png);
+  max-width: 64px;
+  margin-inline-end: 14px;
+}
+
+.fxaMobilePromo {
+  margin-top: 14px;
+  margin-bottom: 41px;
+}
+
+#fxaLoginRejectedWarning {
+  list-style-image: url(chrome://browser/skin/warning.svg);
+  filter: drop-shadow(0 1px 0 hsla(206, 50%, 10%, .15));
+  margin: 4px 8px 0px 0px;
+}
+
+#syncOptions {
+  margin-bottom: 27.5px;
+}
+
+.androidLogo {
+  list-style-image: url(chrome://browser/skin/fxa/android.png);
+  max-width: 24px;
+  position: relative;
+  top: 8px;
+  margin: 0px;
+  margin-inline-end: 5px;
+}
+
+.androidLink {
+  margin: 0;
+}
+
+#tosPP-small {
+  margin-bottom: 20px;
+}
+
+.androidAttribution {
+  font-size: 12px;
+  color: #D1D2D3;
+}
+
+@media (min-resolution: 1.1dppx) {
+  .fxaSyncIllustration {
+    list-style-image: url(chrome://browser/skin/fxa/sync-illustration@2x.png)
+  }
+  .fxaFirefoxLogo {
+    list-style-image: url(chrome://browser/skin/fxa/logo@2x.png);
+  }
+  .androidLogo {
+    list-style-image: url(chrome://browser/skin/fxa/android@2x.png);
+  }
+  #fxaProfileImage {
+    list-style-image: url(chrome://browser/skin/fxa/default-avatar@2x.png);
+  }
 }
 
 .treecol-sortdirection {
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/attention.png b/arc-firefox-theme/chrome/browser/privatebrowsing/attention.png
new file mode 100755
index 0000000..8706928
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/attention.png
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/attention@2x.png b/arc-firefox-theme/chrome/browser/privatebrowsing/attention@2x.png
new file mode 100755
index 0000000..5b32888
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/attention@2x.png
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/check.png b/arc-firefox-theme/chrome/browser/privatebrowsing/check.png
new file mode 100755
index 0000000..59ca51b
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/check.png
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/check@2x.png b/arc-firefox-theme/chrome/browser/privatebrowsing/check@2x.png
new file mode 100755
index 0000000..031685c
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/check@2x.png
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/mask.svg b/arc-firefox-theme/chrome/browser/privatebrowsing/mask.svg
new file mode 100755
index 0000000..655445e
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/mask.svg
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+     width="47.203" height="26.109" viewBox="0 0 94.407 52.219">
+  <path fill="#fff" d="M92.657,14.670 C92.270,21.197 93.816,28.994 85.124,40.236 C75.849,52.230 66.639,51.314 64.901,51.495 C54.468,52.578 53.093,43.491 46.999,43.491 C41.664,43.491 37.317,52.520 29.481,51.495 C27.749,51.268 18.533,52.230 9.259,40.236 C0.567,28.994 2.112,21.197 1.726,14.670 C1.340,8.142 -0.012,1.071 -0.012,1.071 C-0.012,1.071 4.176,5.241 9.585,5.604 C14.993,5.967 16.004,3.740 27.416,0.527 C39.755,-2.947 47.191,11.290 47.191,11.290 C47.191,11.290 55.571,-2.737 66.967,0.527 C78.363,3.791 78.836,5.967 84.245,5.604 C89.653,5.241 94.395,1.071 94.395,1.071 C94.395,1.071 93.043,8.142 92.657,14.670 ZM28.858,17.405 C22.113,15.942 19.283,18.441 16.393,19.507 C13.872,20.437 11.577,20.726 11.577,20.726 C11.577,20.726 11.963,24.533 18.724,27.797 C25.484,31.061 39.352,29.377 39.352,29.377 C39.352,29.377 40.824,20.000 28.858,17.405 ZM77.990,19.507 C75.100,18.441 72.270,15.942 65.525,17.405 C53.557,20.000 55.030,29.377 55.030,29.377 C55.030,29.377 68.899,31.061 75.659,27.797 C82.419,24.533 82.805,20.726 82.805,20.726 C82.805,20.726 80.511,20.437 77.990,19.507 Z"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/shield-page.png b/arc-firefox-theme/chrome/browser/privatebrowsing/shield-page.png
new file mode 100755
index 0000000..2ddcf34
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/shield-page.png
diff --git a/arc-firefox-theme/chrome/browser/privatebrowsing/shield-page@2x.png b/arc-firefox-theme/chrome/browser/privatebrowsing/shield-page@2x.png
new file mode 100755
index 0000000..72a0b82
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/privatebrowsing/shield-page@2x.png
diff --git a/arc-firefox-theme/chrome/browser/readinglist/icons.svg b/arc-firefox-theme/chrome/browser/readinglist/icons.svg
deleted file mode 100644
index f6bb404..0000000
--- a/arc-firefox-theme/chrome/browser/readinglist/icons.svg
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 14 14">
-  <defs>
-    <style>
-      use:not(:target) {
-        display: none;
-      }
-      #addpage, #alreadyadded {
-        fill: #808080;
-      }
-      #addpage-hover, #alreadyadded-hover {
-        fill: #555;
-      }
-      #addpage-active, #alreadyadded-active {
-        fill: #0095dd;
-      }
-    </style>
-    <mask id="plus-mask">
-      <rect width="100%" height="100%" fill="#fff"/>
-      <rect x="3" y="6" width="8" height="2"/>
-      <rect x="6" y="3" width="2" height="8"/>
-    </mask>
-    <mask id="minus-mask">
-      <rect width="100%" height="100%" fill="#fff"/>
-      <rect x="3" y="6" width="8" height="2"/>
-    </mask>
-    <g id="addpage-shape">
-      <circle cx="7" cy="7" r="6" mask="url(#plus-mask)"/>
-    </g>
-    <g id="removepage-shape">
-      <circle cx="7" cy="7" r="6" mask="url(#minus-mask)"/>
-    </g>
-  </defs>
-  <use id="addpage" xlink:href="#addpage-shape"/>
-  <use id="addpage-hover" xlink:href="#addpage-shape"/>
-  <use id="addpage-active" xlink:href="#addpage-shape"/>
-  <use id="alreadyadded" xlink:href="#removepage-shape"/>
-  <use id="alreadyadded-hover" xlink:href="#removepage-shape"/>
-  <use id="alreadyadded-active" xlink:href="#removepage-shape"/>
-</svg>
diff --git a/arc-firefox-theme/chrome/browser/readinglist/readinglist-icon.svg b/arc-firefox-theme/chrome/browser/readinglist/readinglist-icon.svg
deleted file mode 100644
index 58b18c9..0000000
--- a/arc-firefox-theme/chrome/browser/readinglist/readinglist-icon.svg
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
-  <rect x="4.8" y="6.4" fill="#808080" width="11.2" height="3.2"/>
-  <rect x="4.8" y="11.2" fill="#808080" width="11.2" height="3.2"/>
-  <rect x="4.8" y="1.6" fill="#808080" width="11.2" height="3.2"/>
-  <circle fill="#808080" cx="1.6" cy="3.2" r="1.6"/>
-  <circle fill="#808080" cx="1.6" cy="8" r="1.6"/>
-  <circle fill="#808080" cx="1.6" cy="12.8" r="1.6"/>
-</svg>
diff --git a/arc-firefox-theme/chrome/browser/readinglist/sidebar.css b/arc-firefox-theme/chrome/browser/readinglist/sidebar.css
deleted file mode 100644
index 27fc12b..0000000
--- a/arc-firefox-theme/chrome/browser/readinglist/sidebar.css
+++ /dev/null
@@ -1,148 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-
-:root, body {
-  overflow-x: hidden;
-}
-
-body {
-  margin: 0;
-  font: message-box;
-  color: #333333;
-  -moz-user-select: none;
-  overflow: hidden;
-}
-
-#emptyListInfo {
-  cursor: default;
-  padding: 3em 1em;
-  text-align: center;
-}
-
-.item {
-  display: flex;
-  flex-flow: row;
-  cursor: pointer;
-  padding: 6px;
-  opacity: 0;
-  max-height: 0;
-  transition: opacity 150ms ease-in-out, max-height 150ms ease-in-out 150ms;
-}
-
-.item.active {
-  background: #FEFEFE;
-}
-
-.item.selected {
-  background: #FDFDFD;
-}
-
-.item-thumb-container {
-  min-width: 64px;
-  max-width: 64px;
-  min-height: 40px;
-  max-height: 40px;
-  border: 1px solid white;
-  box-shadow: 0px 1px 2px rgba(0,0,0,.35);
-  margin: 5px;
-  background-color: #ebebeb;
-  background-size: contain;
-  background-repeat: no-repeat;
-  background-position: center;
-  background-image: url("chrome://branding/content/silhouette-40.svg");
-}
-
-.item-thumb-container.preview-available {
-  background-color: #fff;
-  background-size: cover;
-}
-
-.item-summary-container {
-  display: flex;
-  flex-flow: column;
-  -moz-padding-start: 4px;
-  overflow: hidden;
-  flex-grow: 1;
-}
-
-.item-title-lines {
-  display: flex;
-}
-
-.item-title {
-  overflow: hidden;
-  max-height: 2.8em;
-  line-height: 1.4;
-  flex-grow: 1;
-}
-
-.item-domain {
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  max-height: 1.4em;
-  color: #0095DD;
-}
-
-.item:hover .item-domain {
-  color: #008ACB;
-}
-
-.item:not(:hover):not(.selected) .remove-button {
-  visibility: hidden;
-}
-
-.remove-button {
-  padding: 0;
-  width: 16px;
-  height: 16px;
-  min-width: 16px;
-  min-height: 16px;
-  background-size: contain;
-  background-color: transparent;
-  border-width: 0;
-}
-
-.item.visible {
-  opacity: 1;
-  max-height: 80px;
-  transition: max-height 250ms ease-in-out, opacity 250ms ease-in-out 250ms;
-}
-
-html {
-  border: 1px solid ThreeDShadow;
-  background-color: -moz-Field;
-  color: -moz-FieldText;
-  box-sizing: border-box;
-}
-
-.item {
-  -moz-padding-end: 0;
-}
-
-.item.active {
-  background-color: -moz-cellhighlight;
-  color: -moz-cellhighlighttext;
-}
-
-.item-title {
-  margin: 1px 0 0;
-}
-
-.item-title, .item-domain {
-  -moz-margin-end: 6px;
-}
-
-.remove-button {
-  background-image: -moz-image-rect(url("chrome://global/skin/icons/close.svg"), 0, 16, 16, 0);
-}
-
-.remove-button:hover {
-  background-image: -moz-image-rect(url("chrome://global/skin/icons/close.svg"), 0, 32, 16, 16);
-}
-
-.remove-button:hover:active {
-  background-image: -moz-image-rect(url("chrome://global/skin/icons/close.svg"), 0, 48, 16, 32);
-}
diff --git a/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss b/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss
index b291c6c..dfb78a4 100644
--- a/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss
+++ b/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss
@@ -89,7 +89,8 @@ $darker_asset_path_2: if($darker=='true', 'dark', $asset_path);
 #TabsToolbar:not([collapsed="true"]) + #nav-bar {
   border-top: 1px solid $header_border !important;
   background-clip: padding-box;
-  margin-top: -1px; /* Move up into the TabsToolbar for the inner highlight at the top of the nav-bar */
+  /* Move up into the TabsToolbar for the inner highlight at the top of the nav-bar */
+  margin-top: calc(-1 * var(--navbar-tab-toolbar-highlight-overlap));
   /* Position the toolbar above the bottom of background tabs */
   position: relative;
   z-index: 1;
@@ -132,7 +133,7 @@ $darker_asset_path_2: if($darker=='true', 'dark', $asset_path);
 /* Places toolbar */
 toolbarbutton.bookmark-item:not(.subviewbutton),
 #personal-bookmarks[cui-areatype="toolbar"]:not([overflowedItem=true]) > #bookmarks-toolbar-placeholder {
-  margin: 1px;
+  margin: 0;
   padding: 2px 3px;
 }
 
@@ -353,7 +354,7 @@ menuitem.bookmark-item {
 }
 
 /* Stock icons for the menu bar items */
-menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
+menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip):not([endimage]) {
   -moz-binding: url("chrome://global/content/bindings/menu.xml#menuitem-iconic");
 }
 
@@ -548,11 +549,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png");
 }
 
-#menu_readingList,
-#BMB_readingList {
-  list-style-image: url("chrome://browser/skin/readinglist/readinglist-icon.svg");
-}
-
 #panelMenu_pocket,
 #menu_pocket,
 #BMB_pocket {
@@ -614,7 +610,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 .findbar-button > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon {
   -moz-margin-end: 0;
   padding: 2px 6px;
@@ -625,14 +621,14 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px;
 }
 
 /* Help SDK icons fit: */
 toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon,
-toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   width: 16px;
 }
 
@@ -652,11 +648,12 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   border-image: url("chrome://browser/skin/custom_images/navbar-separator.png") 0 0 0 2 / 0 0 0 2px;
 }
 
+
 .findbar-button:not(:-moz-any([checked="true"],[disabled="true"])):hover > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open]:not([disabled=true]) > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-icon {
   background: var(--toolbarbutton-hover-background);
   border-width: 1px;
@@ -665,6 +662,12 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   box-shadow: var(--toolbarbutton-hover-boxshadow);
 }
 
+//:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
+//:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
+//  margin-top: 4px;
+//  margin-bottom: 4px;
+//}
+
 #TabsToolbar .toolbarbutton-1[open]:not([disabled=true]) > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
@@ -675,16 +678,10 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   background-clip: padding-box;
 }
 
-//:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-//:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
-//  margin-top: 4px;
-//  margin-bottom: 4px;
-//}
-
 .findbar-button:not([disabled=true]):-moz-any([checked="true"],:hover:active) > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([open="true"]) > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-icon {
   background: var(--toolbarbutton-active-background);
   box-shadow: var(--toolbarbutton-active-boxshadow);
@@ -696,7 +693,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-badge-container,
+#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-badge-stack,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-icon {
   background: none;
   @include button(header-active);
@@ -753,30 +750,41 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 }
 
 //#back-button > .toolbarbutton-icon {
-//  border-radius: 2px;
+//  border-radius: 10000px;
 //  background-clip: padding-box;
-//  padding: 3px 7px;
+//  padding: 6px;
 //  border: none;
-//  box-shadow: none;
-//  background: none !important;
+//  box-shadow: 0 1px 0 hsla(0,0%,100%,.3) inset,
+//              0 0 0 1px hsla(0,0%,100%,.3) inset,
+//              0 0 0 1px hsla(210,54%,20%,.25),
+//              0 1px 0 hsla(210,54%,20%,.35);
+//  background-image: linear-gradient(hsla(0,0%,100%,.6), hsla(0,0%,100%,.1));
 //  transition-property: background-color, box-shadow;
 //  transition-duration: 250ms;
 //}
 
 //#back-button:not([disabled="true"]):not([open="true"]):not(:active):hover > .toolbarbutton-icon {
-//  background-color: transparent;
-//  box-shadow: none;
+//  background-color: hsla(210,48%,96%,.75);
+//  box-shadow: 0 1px 0 hsla(0,0%,100%,.3) inset,
+//              0 0 0 1px hsla(0,0%,100%,.3) inset,
+//              0 0 0 1px hsla(210,54%,20%,.3),
+//              0 1px 0 hsla(210,54%,20%,.4),
+//              0 0 4px hsla(210,54%,20%,.2);
 //}
 
 //#back-button:not([disabled="true"]):hover:active > .toolbarbutton-icon,
 //#back-button[open="true"] > .toolbarbutton-icon {
-//  background-color: red;
-//  box-shadow: none;
+//  background-color: hsla(210,54%,20%,.15);
+//  box-shadow: 0 1px 1px hsla(210,54%,20%,.1) inset,
+//              0 0 1px hsla(210,54%,20%,.2) inset,
+//              0 0 0 1px hsla(210,54%,20%,.4),
+//              0 1px 0 hsla(210,54%,20%,.2);
 //  transition: none;
 //}
 
 //#main-window:not([customizing]) #back-button[disabled] > .toolbarbutton-icon {
-//  box-shadow: none !important;
+//  box-shadow: 0 0 0 1px hsla(210,54%,20%,.55),
+//              0 1px 0 hsla(210,54%,20%,.65) !important;
 //  transition: none;
 //}
 
@@ -785,26 +793,27 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 }
 
 #forward-button {
+//  -moz-box-align: stretch; /* let the button shape grow vertically with the location bar */
+  padding: 0;
   margin-left: 2px;
   margin-right: 2px;
-  //-moz-box-align: stretch;
-  padding: 0;
 }
 
-#forward-button > .toolbarbutton-icon {
+//#forward-button > .toolbarbutton-icon {
 //  background-clip: padding-box;
-//  padding: 3px 7px;
-//  border: 1px solid transparent;
+//  padding-left: 9px;
+//  padding-right: 3px;
+//  border: 1px solid #9a9a9a;
 //  border-left-style: none;
 //  border-radius: 0;
-}
+//}
 
 //window:not([chromehidden~="toolbar"]) #urlbar-wrapper:not([switchingtabs]) > #forward-button {
 //  transition: margin-left 150ms ease-out;
 //}
 
 //window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #forward-button[disabled] {
-//  margin-left: 5px;
+//  margin-left: -30px;
 //}
 
 //window:not([chromehidden~="toolbar"]) #urlbar-wrapper:hover:not([switchingtabs]) > #forward-button[disabled] {
@@ -814,7 +823,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 
 //window:not([chromehidden~="toolbar"]) #urlbar-wrapper:not(:hover) > #forward-button[disabled] {
 //  /* when not hovered anymore, trigger a new transition to hide the forward button immediately */
-//  margin-left: 10px;
+//  margin-left: -30.01px;
 //}
 
 /* tabview menu item */
@@ -1003,6 +1012,15 @@ toolbar[brighttext] #sync-button[status="active"] {
   -moz-image-region: rect(0, 486px, 18px, 468px);
 }
 
+#PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger.png") !important;
+  -moz-image-region: auto !important;
+}
+
+toolbar[brighttext] #PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger-inverted.png") !important;
+}
+
 #edit-controls:not(:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])) > #cut-button {
   -moz-image-region: rect(0, 504px, 18px, 486px);
 }
@@ -1059,44 +1077,44 @@ toolbar[brighttext] #sync-button[status="active"] {
   -moz-image-region: rect(0, 720px, 18px, 702px);
 }
 
-#loop-button > .toolbarbutton-badge-container {
+#loop-button {
   list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/loop-toolbar-icons.svg");
   -moz-image-region: rect(0, 18px, 18px, 0);
 
   #TabsToolbar & { list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/loop-tabbar-icons.svg"); }
 }
 
-#loop-button:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-badge-container,
-#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open],[checked],:hover:active) > .toolbarbutton-badge-container {
-  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg");
+#loop-button:not([disabled=true]):-moz-any([open],[checked],:hover:active),
+#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open],[checked],:hover:active) {
+  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg") !important;
 }
 
-//toolbar[brighttext] #loop-button > .toolbarbutton-badge-container {
+//toolbar[brighttext] #loop-button {
 //  list-style-image: url(chrome://browser/skin/loop/toolbar-inverted.png);
 //}
 
-#loop-button[state="disabled"] > .toolbarbutton-badge-container,
-#loop-button[disabled="true"] > .toolbarbutton-badge-container {
+#loop-button[state="disabled"],
+#loop-button[disabled="true"] {
   -moz-image-region: rect(0, 36px, 18px, 18px);
 }
 
-#loop-button:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="error"] {
   -moz-image-region: rect(0, 54px, 18px, 36px);
 }
 
-#loop-button:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"] {
   -moz-image-region: rect(0, 72px, 18px, 54px);
 }
 
-#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover,:hover:active,[open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover,:hover:active,[open]) {
   -moz-image-region: rect(0, 90px, 18px, 72px);
 }
 
-#loop-button:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"] {
   -moz-image-region: rect(0, 108px, 18px, 90px);
 }
 
-#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover,:hover:active,[open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover,:hover:active,[open]) {
   -moz-image-region: rect(0, 126px, 18px, 108px);
 }
 
@@ -1305,39 +1323,39 @@ toolbar[brighttext] #sync-button[status="active"] {
     -moz-image-region: rect(0, 832px, 32px, 800px);
   }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel.png);
     -moz-image-region: rect(0, 32px, 32px, 0);
   }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 32px, 32px, 0) !important;
   }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 64px, 32px, 32px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 96px, 32px, 64px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 128px, 32px, 96px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover,:hover:active,[open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover,:hover:active,[open]) {
     -moz-image-region: rect(0, 160px, 32px, 128px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 192px, 32px, 160px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover,:hover:active,[open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover,:hover:active,[open]) {
     -moz-image-region: rect(0, 224px, 32px, 192px);
   }
 
@@ -1489,39 +1507,39 @@ toolbar[brighttext] #sync-button[status="active"] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px);
   }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel@2x.png);
     -moz-image-region: rect(0, 64px, 64px, 0);
   }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 64px, 64px, 0) !important;
   }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 128px, 64px, 64px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 192px, 64px, 128px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 256px, 64px, 192px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover,:hover:active,[open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover,:hover:active,[open]) {
     -moz-image-region: rect(0, 320px, 64px, 256px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 384px, 64px, 320px);
   }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover,:hover:active,[open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover,:hover:active,[open]) {
     -moz-image-region: rect(0, 448px, 64px, 384px);
   }
 
@@ -1688,7 +1706,7 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar,
 .searchbar-textbox {
   -moz-appearance: none;
-  padding: 3px;
+  padding: 2px 3px;
   border-radius: 3px;
   margin: 0 3px;
   @include entry(normal);
@@ -1739,7 +1757,7 @@ toolbar[brighttext] #sync-button[status="active"] {
 
 //window:not([chromehidden~="toolbar"]) #urlbar-wrapper {
 //  clip-path: url("chrome://browser/content/browser.xul#urlbar-back-button-clip-path");
-//  -moz-margin-start: -5px;
+//  margin-inline-start: calc(-1 * var(--backbutton-urlbar-overlap));
 //}
 
 //window:not([chromehidden~="toolbar"]) #urlbar-wrapper:-moz-locale-dir(rtl),
@@ -1760,6 +1778,29 @@ toolbar[brighttext] #sync-button[status="active"] {
 //  padding: 0 3px;
 //}
 
+#urlbar-search-footer {
+  border-top: 1px solid hsla(210,4%,10%,.14);
+  background-color: hsla(210,4%,10%,.07);
+}
+
+#urlbar-search-settings {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  color: inherit;
+  margin: 0;
+  border: 0;
+  padding: 8px 20px;
+  background: transparent;
+}
+
+#urlbar-search-settings:hover {
+  background-color: hsla(210,4%,10%,.07);
+}
+
+#urlbar-search-settings:hover:active {
+  background-color: hsla(210,4%,10%,.12);
+}
+
 #urlbar-search-splitter {
   -moz-appearance: none;
   width: 8px;
@@ -1784,70 +1825,80 @@ toolbar[brighttext] #sync-button[status="active"] {
   color: GrayText;
 }
 
-#search-container {
-  min-width: calc(54px + 11ch);
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] {
+  border-bottom: 1px solid hsla(210, 4%, 10%, 0.14);
+  background-color: hsla(210, 4%, 10%, 0.07);
+  padding: 6px 0;
+  -moz-padding-start: 44px;
+  -moz-padding-end: 6px;
+  background-image: url("chrome://browser/skin/info.svg");
+  background-clip: padding-box;
+  background-position: 20px center;
+  background-repeat: no-repeat;
+  background-size: 16px 16px;
 }
 
-/* identity box */
-
-#identity-box {
-  padding: 1px;
-  font-size: .9em;
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"]:-moz-locale-dir(rtl) {
+  background-position: right 20px center;
 }
 
-#identity-box:-moz-locale-dir(ltr) {
-  border-top-left-radius: 1.5px;
-  border-bottom-left-radius: 1.5px;
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description {
+  margin: 0;
+  padding: 0;
 }
 
-#identity-box:-moz-locale-dir(rtl) {
-  border-top-right-radius: 1.5px;
-  border-bottom-right-radius: 1.5px;
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description > label.text-link {
+  -moz-margin-start: 0;
 }
 
-#notification-popup-box:not([hidden]) + #identity-box {
-  //-moz-padding-start: 10px;
-  border-radius: 0;
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  min-width: 80px;
+  border-radius: 3px;
+  padding: 4px 16px;
+  margin: 0;
+  -moz-margin-start: 10px;
 }
 
-window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
-  border-radius: 0;
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"] {
+  color: hsl(210, 0%, 38%);
+  background-color: hsl(210, 0%, 88%);
+  border: 1px solid hsl(210, 0%, 82%);
 }
 
-//window:not([chromehidden~="toolbar"]) #urlbar-wrapper:not([switchingtabs]) > #urlbar > #identity-box {
-  //transition: padding-left, padding-right;
-//}
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"]:hover {
+  background-color: hsl(210, 0%, 84%);
+}
 
-//window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box:-moz-locale-dir(ltr) {
-  //padding-left: 5px;
-//}
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"] {
+  color: white;
+  background-color: hsl(93, 82%, 44%);
+  border: 1px solid hsl(93, 82%, 44%);
+}
 
-//window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box:-moz-locale-dir(rtl) {
-  //padding-right: 5px;
-//}
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"]:hover {
+  background-color: hsl(93, 82%, 40%);
+}
 
-//window:not([chromehidden~="toolbar"]) #urlbar-wrapper:hover:not([switchingtabs]) > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box {
-  /* forward button hiding is delayed when hovered */
-//  transition-delay: 100s;
-//}
+#search-container {
+  min-width: calc(54px + 11ch);
+}
 
-//window:not([chromehidden~="toolbar"]) #urlbar-wrapper:not(:hover) > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box:-moz-locale-dir(ltr) {
-  /* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-  //padding-left: 5.01px;
-//}
+/* identity box */
 
-//window:not([chromehidden~="toolbar"]) #urlbar-wrapper:not(:hover) > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box:-moz-locale-dir(rtl) {
-  /* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-  //padding-right: 5.01px;
-//}
+#identity-box:-moz-locale-dir(ltr) {
+  border-top-left-radius: 1.5px;
+  border-bottom-left-radius: 1.5px;
+}
 
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  -moz-margin-end: 4px;
+#identity-box:-moz-locale-dir(rtl) {
+  border-top-right-radius: 1.5px;
+  border-bottom-right-radius: 1.5px;
 }
 
-#identity-box.verifiedIdentity:not(:-moz-lwtheme) {
-  background-color: var(--verified-identity-box-backgroundcolor);
+#identity-box.verifiedIdentity:not(:-moz-lwtheme):not(:hover):not([open=true]) {
+  background-color: var(--identity-box-verified-background-color);
 }
 
 #identity-box:-moz-focusring {
@@ -1855,141 +1906,137 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   outline-offset: -3px;
 }
 
-#identity-icon-labels {
-  -moz-padding-start: 2px;
-  -moz-padding-end: 5px;
-}
-
 
-:root {
+#identity-box {
+//  --identity-box-selected-background-color: rgb(231,230,230);
   --identity-box-verified-color: hsl(92,100%,30%);
-  --identity-box-verified-background-image: linear-gradient(
-                                            transparent 15%,
-                                            hsla(92,81%,16%,.2) 15%,
-                                            hsla(92,81%,16%,.2) 85%,
-                                            transparent 85%);
   --identity-box-chrome-color: rgb(229,115,0);
-  --identity-box-chrome-background-image: linear-gradient(
-                                    transparent 15%,
-                                    rgba(229,114,0,.5) 15%,
-                                    rgba(229,114,0,.5) 85%,
-                                    transparent 85%);
-}
 
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  background-position: right;
-  background-size: 1px;
-  background-repeat: no-repeat;
+  border-inline-end: 1px solid var(--urlbar-separator-color);
+  border-image: linear-gradient(transparent 15%,
+                                var(--urlbar-separator-color) 15%,
+                                var(--urlbar-separator-color) 85%,
+                                transparent 85%);
+  border-image-slice: 1;
+  font-size: .9em;
+  padding: 3px 5px 3px 3px;
+  margin-inline-end: 4px;
+  overflow: hidden;
+//  /* The latter two properties have a transition to handle the delayed hiding of
+//     the forward button when hovered. */
+//  transition: background-color 150ms ease, padding-left, padding-right;
 }
 
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI:-moz-locale-dir(rtl),
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity:-moz-locale-dir(rtl) {
-  background-position: left;
-}
+//#identity-box:hover,
+//#identity-box[open=true] {
+//  background-color: var(--identity-box-selected-background-color);
+//  border-image-source: none;
+//}
 
 #urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
   color: var(--identity-box-verified-color);
-  background-image: var(--identity-box-verified-background-image);
 }
 
 #urlbar[pageproxystate="valid"] > #identity-box.chromeUI {
   color: var(--identity-box-chrome-color);
-  background-image: var(--identity-box-chrome-background-image);
 }
 
-/* page proxy icon */
-
-#page-proxy-favicon {
-  width: 16px;
-  height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-icons-generic.png);
+#identity-icon-labels {
+  padding-inline-start: 2px;
 }
 
-.chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.png);
+#notification-popup-box:not([hidden]) + #identity-box {
+  padding-inline-start: 5px;
+  border-radius: 0;
 }
 
-.verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https.png);
+window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
+  border-radius: 0;
 }
 
-.verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-ev.png);
-}
+//window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box {
+//  padding-inline-start: calc(var(--backbutton-urlbar-overlap) + 4px);
+//}
 
-.mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active.png);
-}
+//window:not([chromehidden~="toolbar"]) #urlbar-wrapper:hover:not([switchingtabs]) > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box {
+//  /* Forward button hiding is delayed when hovered, so we should use the same
+//     delay for the identity box. We handle both horizontal paddings (for LTR and
+//     RTL), the latter two delays here are for padding-left and padding-right. */
+//  transition-delay: 0s, 100s, 100s;
+//}
 
-.mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png);
-}
+//window:not([chromehidden~="toolbar"]) #urlbar-wrapper:not(:hover) > #forward-button[disabled] + #urlbar > #notification-popup-box[hidden] + #identity-box {
+//  /* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
+//  padding-inline-start: calc(var(--backbutton-urlbar-overlap) + 4.01px);
+//}
 
-.mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png);
-}
+/* TRACKING PROTECTION ICON */
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3;
+#tracking-protection-icon {
+  width: 16px;
+  height: 16px;
+  margin-inline-start: 0;
+  margin-inline-end: 2px;
+  list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
+  opacity: 1;
 }
 
-@media not all and (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    -moz-image-region: rect(0, 16px, 16px, 0);
-  }
+#tracking-protection-icon[state="loaded-tracking-content"] {
+  list-style-image: url(chrome://browser/skin/tracking-protection-disabled-16.svg);
+}
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 32px, 16px, 16px);
-  }
+#tracking-protection-icon[animate] {
+  transition: margin-left 200ms ease-out, margin-right 200ms ease-out;
+}
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 48px, 16px, 32px);
-  }
+#tracking-protection-icon:not([state]) {
+  margin-inline-start: -18px;
+  pointer-events: none;
+  opacity: 0;
+  /* Only animate the shield in, when it disappears hide it immediately. */
+  transition: none;
 }
 
-@media (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    list-style-image: url(chrome://browser/skin/identity-icons-generic@2x.png);
-    -moz-image-region: rect(0, 32px, 32px, 0);
-  }
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+  visibility: collapse;
+}
 
-  .chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://branding/content/identity-icons-brand@2x.png);
-  }
+/* MAIN IDENTITY ICON */
 
-  .verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https@2x.png);
-  }
+#page-proxy-favicon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-not-secure.svg);
+}
 
-  .verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-ev@2x.png);
-  }
+.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg);
+}
 
-  .mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active@2x.png);
-  }
+.verifiedDomain > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.verifiedIdentity > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg);
+}
 
-  .mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png);
-  }
+.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
+}
 
-  .mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png);
-  }
+.weakCipher > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContentLoadedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
+}
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 64px, 32px, 32px);
-  }
+.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg);
+}
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 96px, 32px, 64px);
-  }
+#page-proxy-favicon[pageproxystate="invalid"] {
+  opacity: 0.3;
 }
 
-#urlbar[actiontype="searchengine"] > #identity-box > #page-proxy-favicon {
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icons > #page-proxy-favicon {
   -moz-image-region: inherit;
   list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
   width: 16px;
@@ -1997,13 +2044,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   opacity: 1;
 }
 
-#page-proxy-favicon {
-  margin-top: 1px;
-  margin-bottom: 1px;
-  -moz-margin-start: 3px;
-  -moz-margin-end: 1px;
-}
-
 
 .popup-notification-icon {
   width: 64px;
@@ -2072,15 +2112,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   list-style-image: url(chrome://global/skin/icons/webapps-64.png);
 }
 
-.popup-notification-icon[popupid="bad-content"] {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-64.png);
-}
-
-.popup-notification-icon[popupid="bad-content"][mixedblockdisabled],
-.popup-notification-icon[popupid="bad-content"][trackingblockdisabled] {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-64.png);
-}
-
 .popup-notification-icon[popupid="webRTC-sharingDevices"],
 .popup-notification-icon[popupid="webRTC-shareDevices"] {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-64.png);
@@ -2221,16 +2252,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   }
 }
 
-.bad-content-blocked-notification-icon,
-#bad-content-blocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-16.png);
-}
-
-.bad-content-unblocked-notification-icon,
-#bad-content-unblocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-16.png);
-}
-
 .webRTC-shareDevices-notification-icon,
 #webRTC-shareDevices-notification-icon {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-16.png);
@@ -2382,8 +2403,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 /* Notification icon box */
 #notification-popup-box {
   border-radius: 2.5px 0 0 2.5px;
-  margin-top: -1px;
-  margin-bottom: -1px;
 }
 
 .notification-anchor-icon:-moz-focusring {
@@ -2601,7 +2620,9 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   height: 16px;
 }
 
-.ac-comment {
+.ac-comment,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
   font-size: 1.05em;
 }
 
@@ -2756,41 +2777,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   list-style-image: url("chrome://browser/skin/Info.png");
 }
 
-/* Reading List button */
-
-#urlbar:not([focused]):not(:hover) #readinglist-addremove-button {
-  opacity: 0;
-  width: 0px;
-}
-
-#readinglist-addremove-button {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage");
-  -moz-image-region: rect(0, 14px, 14px, 0);
-  transition: width 150ms ease-in-out, opacity 150ms ease-in-out 150ms;
-  opacity: 1;
-  width: 20px;
-}
-
-#readinglist-addremove-button:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-hover");
-}
-
-#readinglist-addremove-button:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-active");
-}
-
-#readinglist-addremove-button[already-added="true"] {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded");
-}
-
-#readinglist-addremove-button[already-added="true"]:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-hover");
-}
-
-#readinglist-addremove-button[already-added="true"]:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-active");
-}
-
 /* Reader mode button */
 
 #reader-mode-button {
@@ -2870,10 +2856,10 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-box-align: center;
 }
 
-#bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
-  //margin-top: 3px;
-  //margin-bottom: 3px;
-}
+//#bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
+//  margin-top: 3px;
+//  margin-bottom: 3px;
+//}
 
 #bookmarks-menu-button[disabled][cui-areatype="toolbar"] > .toolbarbutton-icon,
 #bookmarks-menu-button[disabled][cui-areatype="toolbar"] > .toolbarbutton-menu-dropmarker,
@@ -2953,7 +2939,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: Window;
 }
 
-
 /* Findbar */
 .browserContainer > findbar {
   background-color: $bg_color;
@@ -3047,12 +3032,11 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 :root {
   --tab-toolbar-navbar-overlap: 1px;
+  --navbar-tab-toolbar-highlight-overlap: 1px;
   --tab-min-height: 31px;
 }
 #TabsToolbar {
-  --tab-separator-image: url(chrome://browser/skin/tabbrowser/tab-separator.png);
-  --tab-separator-size: 3px 100%;
-  --tab-separator-opacity: 1;
+  --tab-stroke-background-size: auto 100%;
 }
 
 
@@ -3118,6 +3102,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 .tab-throbber,
 .tab-icon-image,
+.tab-icon-sound,
 .tab-close-button {
   margin-top: 1px;
 }
@@ -3136,16 +3121,49 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 .tab-icon-overlay {
   width: 16px;
   height: 16px;
-  margin-top: 10px;
+  margin-top: -12px;
   -moz-margin-start: -16px;
-  display: none;
+  position: relative;
 }
 
 .tab-icon-overlay[crashed] {
-  display: -moz-box;
   list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg");
 }
 
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]) {
+  border-radius: 8px;
+}
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover {
+  background-color: white;
+}
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio-small.svg#tab-audio");
+}
+
+.tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio-small.svg#tab-audio-muted");
+}
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio-small.svg#tab-audio");
+}
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio-small.svg#tab-audio-muted");
+}
+
+//#TabsToolbar[brighttext] .tab-icon-overlay[soundplaying]:not(:hover) {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white");
+//}
+
+//#TabsToolbar[brighttext] .tab-icon-overlay[muted]:not([crashed]):not(:hover) {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-muted");
+//}
+
 .tab-throbber[busy] {
   list-style-image: url("chrome://browser/skin/custom_images/connecting.png");
 }
@@ -3165,6 +3183,85 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   padding: 0;
 }
 
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0;
+}
+
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio.svg#tab-audio-backgroundTab");
+}
+
+.tab-icon-sound[soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio.svg#tab-audio-backgroundTab-hover");
+}
+
+.tab-icon-sound[soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio.svg#tab-audio-backgroundTab-pressed");
+}
+
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio.svg#tab-audio-backgroundTab-muted");
+}
+
+.tab-icon-sound[muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-hover");
+}
+
+.tab-icon-sound[muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-pressed");
+}
+
+.tab-icon-sound[visuallyselected=true][soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio.svg#tab-audio");
+}
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio.svg#tab-audio-hover");
+}
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio.svg#tab-audio-pressed");
+}
+
+.tab-icon-sound[visuallyselected=true][muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio.svg#tab-audio-muted");
+}
+
+.tab-icon-sound[visuallyselected=true][muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio.svg#tab-audio-muted-hover");
+}
+
+.tab-icon-sound[visuallyselected=true][muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/tabs/tab-audio.svg#tab-audio-muted-pressed");
+}
+
+//#TabsToolbar[brighttext] .tab-icon-sound[soundplaying] {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-white");
+//}
+
+//#TabsToolbar[brighttext] .tab-icon-sound[soundplaying]:hover {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-white-hover");
+//}
+
+//#TabsToolbar[brighttext] .tab-icon-sound[soundplaying]:hover:active {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-white-pressed");
+//}
+
+//#TabsToolbar[brighttext] .tab-icon-sound[muted] {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-muted-white");
+//}
+
+//#TabsToolbar[brighttext] .tab-icon-sound[muted]:hover {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-muted-white-hover");
+//}
+
+//#TabsToolbar[brighttext] .tab-icon-sound[muted]:hover:active {
+//  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-muted-white-pressed");
+//}
+
 .tab-background,
 .tabs-newtab-button {
   /* overlap the tab curves */
@@ -3183,7 +3280,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: url(chrome://browser/skin/custom_images/#{$darker_asset_path_2}/tabs/tab-overflow-indicator.png);
   background-size: 100% 100%;
   width: 14px;
-  margin-bottom: var(--tab-toolbar-navbar-overlap);
+  margin-bottom: var(--navbar-tab-toolbar-highlight-overlap);
   pointer-events: none;
   position: relative;
   z-index: 3; /* the selected tab's z-index + 1 */
@@ -3301,7 +3398,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: transparent;
   background-image: url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-middle.svg);
   background-repeat: repeat-x;
-  background-size: auto 100%;
+  background-size: var(--tab-stroke-background-size);
   /* The padding-top combined with background-clip: content-box (the bottom-most) ensure the
      background-color doesn't extend above the top border. */
   padding-top: 2px;
@@ -3315,7 +3412,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
                     linear-gradient(transparent 0px, transparent 2px, hsla(0,0%,100%,0.35) 2px, hsla(0,0%,100%,0.35) 3px, hsla(0,0%,100%,0.65) 3px, hsla(0,0%,100%,0.65) 4px, rgba(255,255,255,.3));/*,
                     lwtHeader;*/
   /* Don't stretch the LWT header images */
-  background-size: auto 100%, auto 100%, auto auto;
+  background-size: var(--tab-stroke-background-size), auto 100%, auto auto;
 }
 
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
@@ -3335,10 +3432,9 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 /* new tab button border and gradient on hover */
 .tabbrowser-tab:hover > .tab-stack > .tab-background:not([visuallyselected=true]),
 .tabs-newtab-button:hover {
-  background-image:
-    url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-start-hover.svg),
-    url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-middle-hover.svg),
-    url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-end-hover.svg);
+  background-image: url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-start-hover.svg),
+                    url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-middle-hover.svg),
+                    url(chrome://browser/skin/custom_images/#{$darker_asset_path}/tabs/tab-end-hover.svg);
   background-position: left bottom, 30px bottom, right bottom;
   background-repeat: no-repeat;
   background-size: 30px 100%, calc(100% - (2 * 30px)) 100%, 30px 100%;
@@ -3351,6 +3447,9 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 .tab-background-middle,
 .tabs-newtab-button,
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-sound,
 .tab-close-button {
   pointer-events: auto;
 }
@@ -3370,27 +3469,30 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-size: 85% 100%;
 }
 
-///* Background tab separators (3px wide).
-//   Also show separators beside the selected tab when dragging it. */
+/* Tab separators */
+
+//.tabbrowser-tab::after,
+//.tabbrowser-tab::before {
+//  width: 1px;
+//  -moz-margin-start: -1px;
+//  background-image: linear-gradient(transparent 5px,
+//                                    currentColor 5px,
+//                                    currentColor calc(100% - 4px),
+//                                    transparent calc(100% - 4px));
+//  opacity: 0.2;
+//}
+
+//#TabsToolbar[brighttext] > #tabbrowser-tabs > .tabbrowser-tab::before,
+//#TabsToolbar[brighttext] > #tabbrowser-tabs > .tabbrowser-tab::after {
+//  opacity: 0.4;
+//}
+
+/* Also show separators beside the selected tab when dragging it. */
 //#tabbrowser-tabs[movingtab] > .tabbrowser-tab[beforeselected]:not([last-visible-tab])::after,
 //.tabbrowser-tab:not([visuallyselected]):not([afterselected-visible]):not([afterhovered]):not([first-visible-tab]):not(:hover)::before,
 //#tabbrowser-tabs:not([overflow]) > .tabbrowser-tab[last-visible-tab]:not([visuallyselected]):not([beforehovered]):not(:hover)::after {
-//  -moz-margin-start: -1.5px;
-//  -moz-margin-end: -1.5px;
-//  background-image: var(--tab-separator-image);
-//  background-position: left bottom var(--tab-toolbar-navbar-overlap);
-//  background-repeat: no-repeat;
-//  background-size: var(--tab-separator-size);
-//  opacity: var(--tab-separator-opacity);
 //  content: "";
 //  display: -moz-box;
-//  width: 3px;
-//}
-
-//#TabsToolbar[brighttext] {
-//  --tab-separator-image: linear-gradient(transparent 0%, transparent 15%, currentColor 15%, currentColor 90%, transparent 90%);
-//  --tab-separator-size: 1px 100%;
-//  --tab-separator-opacity: 0.4;
 //}
 
 /* New tab button */
@@ -3421,8 +3523,9 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar-drag");
 }
 
-.tabbrowser-tab:focus > .tab-stack > .tab-content > .tab-label {
+.tabbrowser-tab:focus > .tab-stack > .tab-content {
   outline: 1px dotted;
+  outline-offset: -6px;
 }
 
 #context_reloadTab {
@@ -3697,10 +3800,6 @@ toolbarbutton.chevron > .toolbarbutton-icon {
   box-shadow: 0 0 2px white;
 }
 
-#full-screen-warning-container[obscure-browser] {
-  background-color: rgba(0,0,0,0.3);
-}
-
 .full-screen-description {
   font-size: 150%;
 }
@@ -3709,11 +3808,6 @@ toolbarbutton.chevron > .toolbarbutton-icon {
   font-size: 300%;
 }
 
-.full-screen-approval-button,
-#full-screen-remember-decision {
-  font-size: 120%;
-}
-
 
 /* Responsive Mode */
 
@@ -4357,27 +4451,6 @@ notification.pluginVulnerable {
 notification.pluginVulnerable .messageImage {
   list-style-image: url("chrome://browser/skin/notification-pluginBlocked.png");
 }
-.popup-notification-item-title[popupid="bad-content"] {
-  font-weight: bold;
-}
-
-.popup-notification-item-message[popupid="bad-content"] {
-  width: 17em;
-}
-
-.popup-notification-item-message[popupid="bad-content"][mixedblockdisabled]:not(.popup-notification-item-message-critical),
-.popup-notification-item-message[popupid="bad-content"][trackingblockdisabled]:not(.popup-notification-item-message-critical) {
-  color: GrayText;
-}
-
-.popup-notification-item-message-critical[popupid="bad-content"] {
-  color: #d74345;
-  font-style: italic;
-}
-
-.popup-notification-footer[popupid="bad-content"] {
-  padding-top: 1em;
-}
 #notification-popup[popupid="login-fill"] > .panel-arrowcontainer > .panel-arrowcontent {
   /* Since we display a sliding subview that extends to the border, we cannot
    * keep the default padding of arrow panels. We use the same padding in the
@@ -5184,14 +5257,14 @@ toolbarpaletteitem[notransition][place="panel"] {
 }
 
 toolbarpaletteitem > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon,
+toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon,
 toolbarpaletteitem > toolbaritem.panel-wide-item,
 toolbarpaletteitem > toolbarbutton[type="menu-button"] {
   transition: transform .3s cubic-bezier(.6, 2, .75, 1.5) !important;
 }
 
 toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   transform: scale(1.3);
 }
 
@@ -5576,10 +5649,12 @@ toolbarpaletteitem[place="toolbar"] {
   padding: 2em 15px;
 }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button {
   margin: 0 15px;
 }
 
+#UITourTooltipButtons > label:first-child,
 #UITourTooltipButtons > button:first-child {
   -moz-margin-start: 0;
 }
@@ -5590,6 +5665,7 @@ toolbarpaletteitem[place="toolbar"] {
   -moz-margin-end: 5px;
 }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button .button-text {
   font-size: 1.15rem;
 }
@@ -5612,6 +5688,7 @@ toolbarpaletteitem[place="toolbar"] {
   box-shadow: 0 1px 0 0 hsla(210,4%,10%,.05) inset;
 }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button.button-link {
   -moz-appearance: none;
   background: transparent;
@@ -5893,3 +5970,7 @@ notification.heartbeat {
   -moz-padding-end: 0 !important;
   -moz-margin-end: 0 !important;
 }
+
+.browser-action-panel > .panel-arrowcontainer > .panel-arrowcontent {
+  padding: 0;
+}
diff --git a/arc-firefox-theme/chrome/browser/sass/browser-dark.css b/arc-firefox-theme/chrome/browser/sass/browser-dark.css
index 55cd3dd..b559ab2 100644
--- a/arc-firefox-theme/chrome/browser/sass/browser-dark.css
+++ b/arc-firefox-theme/chrome/browser/sass/browser-dark.css
@@ -62,8 +62,8 @@
 #TabsToolbar:not([collapsed="true"]) + #nav-bar {
   border-top: 1px solid rgba(38, 42, 51, 0.97) !important;
   background-clip: padding-box;
-  margin-top: -1px;
   /* Move up into the TabsToolbar for the inner highlight at the top of the nav-bar */
+  margin-top: calc(-1 * var(--navbar-tab-toolbar-highlight-overlap));
   /* Position the toolbar above the bottom of background tabs */
   position: relative;
   z-index: 1; }
@@ -99,7 +99,7 @@
 /* Places toolbar */
 toolbarbutton.bookmark-item:not(.subviewbutton),
 #personal-bookmarks[cui-areatype="toolbar"]:not([overflowedItem=true]) > #bookmarks-toolbar-placeholder {
-  margin: 1px;
+  margin: 0;
   padding: 2px 3px; }
 
 toolbarbutton.bookmark-item:not(.subviewbutton):not(:hover):not(:active):not([open]) {
@@ -283,7 +283,7 @@ menuitem.bookmark-item {
   opacity: 0.7; }
 
 /* Stock icons for the menu bar items */
-menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
+menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip):not([endimage]) {
   -moz-binding: url("chrome://global/content/bindings/menu.xml#menuitem-iconic"); }
 
 #placesContext_open\:newwindow,
@@ -442,10 +442,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 #panelMenu_unsortedBookmarks {
   list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png"); }
 
-#menu_readingList,
-#BMB_readingList {
-  list-style-image: url("chrome://browser/skin/readinglist/readinglist-icon.svg"); }
-
 #panelMenu_pocket,
 #menu_pocket,
 #BMB_pocket {
@@ -495,7 +491,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 .findbar-button > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon {
   -moz-margin-end: 0;
   padding: 2px 6px;
@@ -505,13 +501,13 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-duration: 150ms; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 /* Help SDK icons fit: */
 toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon,
-toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   width: 16px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon {
@@ -531,7 +527,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open]:not([disabled=true]) > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-icon {
   background: var(--toolbarbutton-hover-background);
   border-width: 1px;
@@ -553,7 +549,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 .findbar-button:not([disabled=true]):-moz-any([checked="true"], :hover:active) > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([open="true"]) > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: var(--toolbarbutton-active-background);
   box-shadow: var(--toolbarbutton-active-boxshadow);
@@ -564,7 +560,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: none;
   color: #ffffff;
@@ -604,9 +600,9 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   transform: scaleX(-1); }
 
 #forward-button {
+  padding: 0;
   margin-left: 2px;
-  margin-right: 2px;
-  padding: 0; }
+  margin-right: 2px; }
 
 /* tabview menu item */
 #menu_tabview {
@@ -743,6 +739,13 @@ toolbar[brighttext] #sync-button[status="active"] {
 #PanelUI-menu-button {
   -moz-image-region: rect(0, 486px, 18px, 468px); }
 
+#PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger.png") !important;
+  -moz-image-region: auto !important; }
+
+toolbar[brighttext] #PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger-inverted.png") !important; }
+
 #edit-controls:not(:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])) > #cut-button {
   -moz-image-region: rect(0, 504px, 18px, 486px); }
 
@@ -785,33 +788,33 @@ toolbar[brighttext] #sync-button[status="active"] {
 #web-apps-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 720px, 18px, 702px); }
 
-#loop-button > .toolbarbutton-badge-container {
+#loop-button {
   list-style-image: url("chrome://browser/skin/custom_images/dark/loop-toolbar-icons.svg");
   -moz-image-region: rect(0, 18px, 18px, 0); }
-  #TabsToolbar #loop-button > .toolbarbutton-badge-container {
+  #TabsToolbar #loop-button {
     list-style-image: url("chrome://browser/skin/custom_images/dark/loop-tabbar-icons.svg"); }
 
-#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
-#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container {
-  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg"); }
+#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active),
+#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg") !important; }
 
-#loop-button[state="disabled"] > .toolbarbutton-badge-container,
-#loop-button[disabled="true"] > .toolbarbutton-badge-container {
+#loop-button[state="disabled"],
+#loop-button[disabled="true"] {
   -moz-image-region: rect(0, 36px, 18px, 18px); }
 
-#loop-button:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="error"] {
   -moz-image-region: rect(0, 54px, 18px, 36px); }
 
-#loop-button:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"] {
   -moz-image-region: rect(0, 72px, 18px, 54px); }
 
-#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 90px, 18px, 72px); }
 
-#loop-button:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"] {
   -moz-image-region: rect(0, 108px, 18px, 90px); }
 
-#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 126px, 18px, 108px); }
 
 #webide-button[cui-areatype="toolbar"] {
@@ -975,32 +978,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel.png);
     -moz-image-region: rect(0, 32px, 32px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 32px, 32px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 64px, 32px, 32px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 96px, 32px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 128px, 32px, 96px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 160px, 32px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 192px, 32px, 160px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 224px, 32px, 192px); }
 
   /* Wide panel control icons */
@@ -1119,32 +1122,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel@2x.png);
     -moz-image-region: rect(0, 64px, 64px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 64px, 64px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 128px, 64px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 192px, 64px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 256px, 64px, 192px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 320px, 64px, 256px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 384px, 64px, 320px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 448px, 64px, 384px); }
 
   #new-tab-button[cui-areatype="menu-panel"],
@@ -1282,7 +1285,7 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar,
 .searchbar-textbox {
   -moz-appearance: none;
-  padding: 3px;
+  padding: 2px 3px;
   border-radius: 3px;
   margin: 0 3px;
   color: #D3DAE3;
@@ -1315,6 +1318,25 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar-icons {
   -moz-box-align: center; }
 
+#urlbar-search-footer {
+  border-top: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  color: inherit;
+  margin: 0;
+  border: 0;
+  padding: 8px 20px;
+  background: transparent; }
+
+#urlbar-search-settings:hover {
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings:hover:active {
+  background-color: rgba(24, 26, 27, 0.12); }
+
 #urlbar-search-splitter {
   -moz-appearance: none;
   width: 8px; }
@@ -1331,14 +1353,57 @@ toolbar[brighttext] #sync-button[status="active"] {
   -moz-margin-start: 0;
   color: GrayText; }
 
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] {
+  border-bottom: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07);
+  padding: 6px 0;
+  -moz-padding-start: 44px;
+  -moz-padding-end: 6px;
+  background-image: url("chrome://browser/skin/info.svg");
+  background-clip: padding-box;
+  background-position: 20px center;
+  background-repeat: no-repeat;
+  background-size: 16px 16px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"]:-moz-locale-dir(rtl) {
+  background-position: right 20px center; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description {
+  margin: 0;
+  padding: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description > label.text-link {
+  -moz-margin-start: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  min-width: 80px;
+  border-radius: 3px;
+  padding: 4px 16px;
+  margin: 0;
+  -moz-margin-start: 10px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"] {
+  color: #616161;
+  background-color: #e0e0e0;
+  border: 1px solid #d1d1d1; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"]:hover {
+  background-color: #d6d6d6; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"] {
+  color: white;
+  background-color: #67cc14;
+  border: 1px solid #67cc14; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"]:hover {
+  background-color: #5eba12; }
+
 #search-container {
   min-width: calc(54px + 11ch); }
 
 /* identity box */
-#identity-box {
-  padding: 1px;
-  font-size: .9em; }
-
 #identity-box:-moz-locale-dir(ltr) {
   border-top-left-radius: 1.5px;
   border-bottom-left-radius: 1.5px; }
@@ -1347,133 +1412,99 @@ toolbar[brighttext] #sync-button[status="active"] {
   border-top-right-radius: 1.5px;
   border-bottom-right-radius: 1.5px; }
 
-#notification-popup-box:not([hidden]) + #identity-box {
-  border-radius: 0; }
-
-window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
-  border-radius: 0; }
-
-/* forward button hiding is delayed when hovered */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  -moz-margin-end: 4px; }
-
-#identity-box.verifiedIdentity:not(:-moz-lwtheme) {
-  background-color: var(--verified-identity-box-backgroundcolor); }
+#identity-box.verifiedIdentity:not(:-moz-lwtheme):not(:hover):not([open=true]) {
+  background-color: var(--identity-box-verified-background-color); }
 
 #identity-box:-moz-focusring {
   outline: 1px dotted #000;
   outline-offset: -3px; }
 
-#identity-icon-labels {
-  -moz-padding-start: 2px;
-  -moz-padding-end: 5px; }
-
-:root {
+#identity-box {
   --identity-box-verified-color: #479900;
-  --identity-box-verified-background-image: linear-gradient(transparent 15%, rgba(39, 74, 8, 0.2) 15%, rgba(39, 74, 8, 0.2) 85%, transparent 85%);
   --identity-box-chrome-color: #e57300;
-  --identity-box-chrome-background-image: linear-gradient(transparent 15%, rgba(229, 114, 0, 0.5) 15%, rgba(229, 114, 0, 0.5) 85%, transparent 85%); }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  background-position: right;
-  background-size: 1px;
-  background-repeat: no-repeat; }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI:-moz-locale-dir(rtl),
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity:-moz-locale-dir(rtl) {
-  background-position: left; }
+  border-inline-end: 1px solid var(--urlbar-separator-color);
+  border-image: linear-gradient(transparent 15%, var(--urlbar-separator-color) 15%, var(--urlbar-separator-color) 85%, transparent 85%);
+  border-image-slice: 1;
+  font-size: .9em;
+  padding: 3px 5px 3px 3px;
+  margin-inline-end: 4px;
+  overflow: hidden; }
 
 #urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  color: var(--identity-box-verified-color);
-  background-image: var(--identity-box-verified-background-image); }
+  color: var(--identity-box-verified-color); }
 
 #urlbar[pageproxystate="valid"] > #identity-box.chromeUI {
-  color: var(--identity-box-chrome-color);
-  background-image: var(--identity-box-chrome-background-image); }
-
-/* page proxy icon */
-#page-proxy-favicon {
-  width: 16px;
-  height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-icons-generic.png); }
+  color: var(--identity-box-chrome-color); }
 
-.chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.png); }
-
-.verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https.png); }
-
-.verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-ev.png); }
+#identity-icon-labels {
+  padding-inline-start: 2px; }
 
-.mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active.png); }
+#notification-popup-box:not([hidden]) + #identity-box {
+  padding-inline-start: 5px;
+  border-radius: 0; }
 
-.mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
+  border-radius: 0; }
 
-.mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+/* TRACKING PROTECTION ICON */
+#tracking-protection-icon {
+  width: 16px;
+  height: 16px;
+  margin-inline-start: 0;
+  margin-inline-end: 2px;
+  list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
+  opacity: 1; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#tracking-protection-icon[state="loaded-tracking-content"] {
+  list-style-image: url(chrome://browser/skin/tracking-protection-disabled-16.svg); }
 
-@media not all and (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    -moz-image-region: rect(0, 16px, 16px, 0); }
+#tracking-protection-icon[animate] {
+  transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 32px, 16px, 16px); }
+#tracking-protection-icon:not([state]) {
+  margin-inline-start: -18px;
+  pointer-events: none;
+  opacity: 0;
+  /* Only animate the shield in, when it disappears hide it immediately. */
+  transition: none; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 48px, 16px, 32px); } }
-@media (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    list-style-image: url(chrome://browser/skin/identity-icons-generic@2x.png);
-    -moz-image-region: rect(0, 32px, 32px, 0); }
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+  visibility: collapse; }
 
-  .chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://branding/content/identity-icons-brand@2x.png); }
+/* MAIN IDENTITY ICON */
+#page-proxy-favicon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
 
-  .verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https@2x.png); }
+.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
 
-  .verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-ev@2x.png); }
+.verifiedDomain > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.verifiedIdentity > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg); }
 
-  .mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active@2x.png); }
+.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
 
-  .mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.weakCipher > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContentLoadedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg); }
 
-  .mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 64px, 32px, 32px); }
+#page-proxy-favicon[pageproxystate="invalid"] {
+  opacity: 0.3; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 96px, 32px, 64px); } }
-#urlbar[actiontype="searchengine"] > #identity-box > #page-proxy-favicon {
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icons > #page-proxy-favicon {
   -moz-image-region: inherit;
   list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
   width: 16px;
   height: 16px;
   opacity: 1; }
 
-#page-proxy-favicon {
-  margin-top: 1px;
-  margin-bottom: 1px;
-  -moz-margin-start: 3px;
-  -moz-margin-end: 1px; }
-
 .popup-notification-icon {
   width: 64px;
   height: 64px;
@@ -1526,13 +1557,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 .popup-notification-icon[popupid="webapps-install"] {
   list-style-image: url(chrome://global/skin/icons/webapps-64.png); }
 
-.popup-notification-icon[popupid="bad-content"] {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-64.png); }
-
-.popup-notification-icon[popupid="bad-content"][mixedblockdisabled],
-.popup-notification-icon[popupid="bad-content"][trackingblockdisabled] {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-64.png); }
-
 .popup-notification-icon[popupid="webRTC-sharingDevices"],
 .popup-notification-icon[popupid="webRTC-shareDevices"] {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-64.png); }
@@ -1638,14 +1662,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
     opacity: 0; }
   to {
     opacity: 1; } }
-.bad-content-blocked-notification-icon,
-#bad-content-blocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-16.png); }
-
-.bad-content-unblocked-notification-icon,
-#bad-content-unblocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-16.png); }
-
 .webRTC-shareDevices-notification-icon,
 #webRTC-shareDevices-notification-icon {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-16.png); }
@@ -1764,9 +1780,7 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 
 /* Notification icon box */
 #notification-popup-box {
-  border-radius: 2.5px 0 0 2.5px;
-  margin-top: -1px;
-  margin-bottom: -1px; }
+  border-radius: 2.5px 0 0 2.5px; }
 
 .notification-anchor-icon:-moz-focusring {
   outline: 1px dotted -moz-DialogText; }
@@ -1939,7 +1953,9 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   width: 16px;
   height: 16px; }
 
-.ac-comment {
+.ac-comment,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
   font-size: 1.05em; }
 
 .ac-extra > .ac-comment {
@@ -2056,33 +2072,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 #page-report-button {
   list-style-image: url("chrome://browser/skin/Info.png"); }
 
-/* Reading List button */
-#urlbar:not([focused]):not(:hover) #readinglist-addremove-button {
-  opacity: 0;
-  width: 0px; }
-
-#readinglist-addremove-button {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage");
-  -moz-image-region: rect(0, 14px, 14px, 0);
-  transition: width 150ms ease-in-out, opacity 150ms ease-in-out 150ms;
-  opacity: 1;
-  width: 20px; }
-
-#readinglist-addremove-button:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-hover"); }
-
-#readinglist-addremove-button:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-active"); }
-
-#readinglist-addremove-button[already-added="true"] {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded"); }
-
-#readinglist-addremove-button[already-added="true"]:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-hover"); }
-
-#readinglist-addremove-button[already-added="true"]:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-active"); }
-
 /* Reader mode button */
 #reader-mode-button {
   list-style-image: url("chrome://browser/skin/readerMode.svg");
@@ -2276,12 +2265,11 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 /* Tabstrip */
 :root {
   --tab-toolbar-navbar-overlap: 1px;
+  --navbar-tab-toolbar-highlight-overlap: 1px;
   --tab-min-height: 31px; }
 
 #TabsToolbar {
-  --tab-separator-image: url(chrome://browser/skin/tabbrowser/tab-separator.png);
-  --tab-separator-size: 3px 100%;
-  --tab-separator-opacity: 1; }
+  --tab-stroke-background-size: auto 100%; }
 
 /* image preloading hack */
 #tabbrowser-tabs::before {
@@ -2331,6 +2319,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 .tab-throbber,
 .tab-icon-image,
+.tab-icon-sound,
 .tab-close-button {
   margin-top: 1px; }
 
@@ -2346,14 +2335,33 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 .tab-icon-overlay {
   width: 16px;
   height: 16px;
-  margin-top: 10px;
+  margin-top: -12px;
   -moz-margin-start: -16px;
-  display: none; }
+  position: relative; }
 
 .tab-icon-overlay[crashed] {
-  display: -moz-box;
   list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg"); }
 
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]) {
+  border-radius: 8px; }
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover {
+  background-color: white; }
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
 .tab-throbber[busy] {
   list-style-image: url("chrome://browser/skin/custom_images/connecting.png"); }
 
@@ -2369,6 +2377,48 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-margin-end: -2px;
   padding: 0; }
 
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0; }
+
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab"); }
+
+.tab-icon-sound[soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-hover"); }
+
+.tab-icon-sound[soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-pressed"); }
+
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-muted"); }
+
+.tab-icon-sound[muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-hover"); }
+
+.tab-icon-sound[muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-hover"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-muted"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-muted-hover"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-muted-pressed"); }
+
 .tab-background,
 .tabs-newtab-button {
   /* overlap the tab curves */
@@ -2385,7 +2435,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: url(chrome://browser/skin/custom_images/dark/tabs/tab-overflow-indicator.png);
   background-size: 100% 100%;
   width: 14px;
-  margin-bottom: var(--tab-toolbar-navbar-overlap);
+  margin-bottom: var(--navbar-tab-toolbar-highlight-overlap);
   pointer-events: none;
   position: relative;
   z-index: 3;
@@ -2476,7 +2526,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: transparent;
   background-image: url(chrome://browser/skin/custom_images/dark/tabs/tab-middle.svg);
   background-repeat: repeat-x;
-  background-size: auto 100%;
+  background-size: var(--tab-stroke-background-size);
   /* The padding-top combined with background-clip: content-box (the bottom-most) ensure the
      background-color doesn't extend above the top border. */
   padding-top: 2px; }
@@ -2489,7 +2539,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
                                                                                                                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
-  background-size: auto 100%, auto 100%, auto auto; }
+  background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
 
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
@@ -2516,6 +2566,9 @@ lwtHeader;*/
 
 .tab-background-middle,
 .tabs-newtab-button,
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-sound,
 .tab-close-button {
   pointer-events: auto; }
 
@@ -2531,6 +2584,8 @@ lwtHeader;*/
   background-repeat: no-repeat;
   background-size: 85% 100%; }
 
+/* Tab separators */
+/* Also show separators beside the selected tab when dragging it. */
 /* New tab button */
 .tabs-newtab-button {
   width: calc(36px + 30px); }
@@ -2553,8 +2608,9 @@ lwtHeader;*/
 #TabsToolbar:not(:-moz-lwtheme):-moz-system-metric(menubar-drag) {
   -moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar-drag"); }
 
-.tabbrowser-tab:focus > .tab-stack > .tab-content > .tab-label {
-  outline: 1px dotted; }
+.tabbrowser-tab:focus > .tab-stack > .tab-content {
+  outline: 1px dotted;
+  outline-offset: -6px; }
 
 #context_reloadTab {
   list-style-image: url("moz-icon://stock/gtk-refresh?size=menu"); }
@@ -2759,19 +2815,12 @@ toolbarbutton.chevron > .toolbarbutton-icon {
   padding: 30px 50px;
   box-shadow: 0 0 2px white; }
 
-#full-screen-warning-container[obscure-browser] {
-  background-color: rgba(0, 0, 0, 0.3); }
-
 .full-screen-description {
   font-size: 150%; }
 
 #full-screen-domain-text {
   font-size: 300%; }
 
-.full-screen-approval-button,
-#full-screen-remember-decision {
-  font-size: 120%; }
-
 /* Responsive Mode */
 .browserContainer[responsivemode] {
   background-color: #222;
@@ -3297,23 +3346,6 @@ notification.pluginVulnerable {
 notification.pluginVulnerable .messageImage {
   list-style-image: url("chrome://browser/skin/notification-pluginBlocked.png"); }
 
-.popup-notification-item-title[popupid="bad-content"] {
-  font-weight: bold; }
-
-.popup-notification-item-message[popupid="bad-content"] {
-  width: 17em; }
-
-.popup-notification-item-message[popupid="bad-content"][mixedblockdisabled]:not(.popup-notification-item-message-critical),
-.popup-notification-item-message[popupid="bad-content"][trackingblockdisabled]:not(.popup-notification-item-message-critical) {
-  color: GrayText; }
-
-.popup-notification-item-message-critical[popupid="bad-content"] {
-  color: #d74345;
-  font-style: italic; }
-
-.popup-notification-footer[popupid="bad-content"] {
-  padding-top: 1em; }
-
 #notification-popup[popupid="login-fill"] > .panel-arrowcontainer > .panel-arrowcontent {
   /* Since we display a sliding subview that extends to the border, we cannot
    * keep the default padding of arrow panels. We use the same padding in the
@@ -3963,13 +3995,13 @@ toolbarpaletteitem[notransition][place="panel"] {
   transition: none; }
 
 toolbarpaletteitem > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon,
+toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon,
 toolbarpaletteitem > toolbaritem.panel-wide-item,
 toolbarpaletteitem > toolbarbutton[type="menu-button"] {
   transition: transform 0.3s cubic-bezier(0.6, 2, 0.75, 1.5) !important; }
 
 toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   transform: scale(1.3); }
 
 toolbarpaletteitem[mousedown] > toolbaritem.panel-wide-item,
@@ -4289,9 +4321,11 @@ toolbarpaletteitem[place="toolbar"] {
   margin: 24px -16px -16px;
   padding: 2em 15px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button {
   margin: 0 15px; }
 
+#UITourTooltipButtons > label:first-child,
 #UITourTooltipButtons > button:first-child {
   -moz-margin-start: 0; }
 
@@ -4300,6 +4334,7 @@ toolbarpaletteitem[place="toolbar"] {
   height: 16px;
   -moz-margin-end: 5px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button .button-text {
   font-size: 1.15rem; }
 
@@ -4319,6 +4354,7 @@ toolbarpaletteitem[place="toolbar"] {
   border-color: rgba(24, 26, 27, 0.15);
   box-shadow: 0 1px 0 0 rgba(24, 26, 27, 0.05) inset; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button.button-link {
   -moz-appearance: none;
   background: transparent;
@@ -4538,3 +4574,6 @@ notification.heartbeat {
   /* override toolkit/themes/linux/global/menu.css */
   -moz-padding-end: 0 !important;
   -moz-margin-end: 0 !important; }
+
+.browser-action-panel > .panel-arrowcontainer > .panel-arrowcontent {
+  padding: 0; }
diff --git a/arc-firefox-theme/chrome/browser/sass/browser-darker.css b/arc-firefox-theme/chrome/browser/sass/browser-darker.css
index 7ab44b6..1e9220c 100644
--- a/arc-firefox-theme/chrome/browser/sass/browser-darker.css
+++ b/arc-firefox-theme/chrome/browser/sass/browser-darker.css
@@ -62,8 +62,8 @@
 #TabsToolbar:not([collapsed="true"]) + #nav-bar {
   border-top: 1px solid rgba(38, 42, 51, 0.97) !important;
   background-clip: padding-box;
-  margin-top: -1px;
   /* Move up into the TabsToolbar for the inner highlight at the top of the nav-bar */
+  margin-top: calc(-1 * var(--navbar-tab-toolbar-highlight-overlap));
   /* Position the toolbar above the bottom of background tabs */
   position: relative;
   z-index: 1; }
@@ -99,7 +99,7 @@
 /* Places toolbar */
 toolbarbutton.bookmark-item:not(.subviewbutton),
 #personal-bookmarks[cui-areatype="toolbar"]:not([overflowedItem=true]) > #bookmarks-toolbar-placeholder {
-  margin: 1px;
+  margin: 0;
   padding: 2px 3px; }
 
 toolbarbutton.bookmark-item:not(.subviewbutton):not(:hover):not(:active):not([open]) {
@@ -283,7 +283,7 @@ menuitem.bookmark-item {
   opacity: 0.7; }
 
 /* Stock icons for the menu bar items */
-menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
+menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip):not([endimage]) {
   -moz-binding: url("chrome://global/content/bindings/menu.xml#menuitem-iconic"); }
 
 #placesContext_open\:newwindow,
@@ -442,10 +442,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 #panelMenu_unsortedBookmarks {
   list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png"); }
 
-#menu_readingList,
-#BMB_readingList {
-  list-style-image: url("chrome://browser/skin/readinglist/readinglist-icon.svg"); }
-
 #panelMenu_pocket,
 #menu_pocket,
 #BMB_pocket {
@@ -495,7 +491,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 .findbar-button > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon {
   -moz-margin-end: 0;
   padding: 2px 6px;
@@ -505,13 +501,13 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-duration: 150ms; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 /* Help SDK icons fit: */
 toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon,
-toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   width: 16px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon {
@@ -531,7 +527,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open]:not([disabled=true]) > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-icon {
   background: var(--toolbarbutton-hover-background);
   border-width: 1px;
@@ -553,7 +549,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 .findbar-button:not([disabled=true]):-moz-any([checked="true"], :hover:active) > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([open="true"]) > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: var(--toolbarbutton-active-background);
   box-shadow: var(--toolbarbutton-active-boxshadow);
@@ -564,7 +560,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: none;
   color: #ffffff;
@@ -604,9 +600,9 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   transform: scaleX(-1); }
 
 #forward-button {
+  padding: 0;
   margin-left: 2px;
-  margin-right: 2px;
-  padding: 0; }
+  margin-right: 2px; }
 
 /* tabview menu item */
 #menu_tabview {
@@ -743,6 +739,13 @@ toolbar[brighttext] #sync-button[status="active"] {
 #PanelUI-menu-button {
   -moz-image-region: rect(0, 486px, 18px, 468px); }
 
+#PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger.png") !important;
+  -moz-image-region: auto !important; }
+
+toolbar[brighttext] #PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger-inverted.png") !important; }
+
 #edit-controls:not(:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])) > #cut-button {
   -moz-image-region: rect(0, 504px, 18px, 486px); }
 
@@ -785,33 +788,33 @@ toolbar[brighttext] #sync-button[status="active"] {
 #web-apps-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 720px, 18px, 702px); }
 
-#loop-button > .toolbarbutton-badge-container {
+#loop-button {
   list-style-image: url("chrome://browser/skin/custom_images/light/loop-toolbar-icons.svg");
   -moz-image-region: rect(0, 18px, 18px, 0); }
-  #TabsToolbar #loop-button > .toolbarbutton-badge-container {
+  #TabsToolbar #loop-button {
     list-style-image: url("chrome://browser/skin/custom_images/dark/loop-tabbar-icons.svg"); }
 
-#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
-#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container {
-  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg"); }
+#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active),
+#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg") !important; }
 
-#loop-button[state="disabled"] > .toolbarbutton-badge-container,
-#loop-button[disabled="true"] > .toolbarbutton-badge-container {
+#loop-button[state="disabled"],
+#loop-button[disabled="true"] {
   -moz-image-region: rect(0, 36px, 18px, 18px); }
 
-#loop-button:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="error"] {
   -moz-image-region: rect(0, 54px, 18px, 36px); }
 
-#loop-button:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"] {
   -moz-image-region: rect(0, 72px, 18px, 54px); }
 
-#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 90px, 18px, 72px); }
 
-#loop-button:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"] {
   -moz-image-region: rect(0, 108px, 18px, 90px); }
 
-#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 126px, 18px, 108px); }
 
 #webide-button[cui-areatype="toolbar"] {
@@ -975,32 +978,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel.png);
     -moz-image-region: rect(0, 32px, 32px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 32px, 32px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 64px, 32px, 32px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 96px, 32px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 128px, 32px, 96px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 160px, 32px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 192px, 32px, 160px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 224px, 32px, 192px); }
 
   /* Wide panel control icons */
@@ -1119,32 +1122,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel@2x.png);
     -moz-image-region: rect(0, 64px, 64px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 64px, 64px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 128px, 64px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 192px, 64px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 256px, 64px, 192px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 320px, 64px, 256px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 384px, 64px, 320px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 448px, 64px, 384px); }
 
   #new-tab-button[cui-areatype="menu-panel"],
@@ -1282,7 +1285,7 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar,
 .searchbar-textbox {
   -moz-appearance: none;
-  padding: 3px;
+  padding: 2px 3px;
   border-radius: 3px;
   margin: 0 3px;
   color: #5c616c;
@@ -1314,6 +1317,25 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar-icons {
   -moz-box-align: center; }
 
+#urlbar-search-footer {
+  border-top: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  color: inherit;
+  margin: 0;
+  border: 0;
+  padding: 8px 20px;
+  background: transparent; }
+
+#urlbar-search-settings:hover {
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings:hover:active {
+  background-color: rgba(24, 26, 27, 0.12); }
+
 #urlbar-search-splitter {
   -moz-appearance: none;
   width: 8px; }
@@ -1330,14 +1352,57 @@ toolbar[brighttext] #sync-button[status="active"] {
   -moz-margin-start: 0;
   color: GrayText; }
 
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] {
+  border-bottom: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07);
+  padding: 6px 0;
+  -moz-padding-start: 44px;
+  -moz-padding-end: 6px;
+  background-image: url("chrome://browser/skin/info.svg");
+  background-clip: padding-box;
+  background-position: 20px center;
+  background-repeat: no-repeat;
+  background-size: 16px 16px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"]:-moz-locale-dir(rtl) {
+  background-position: right 20px center; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description {
+  margin: 0;
+  padding: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description > label.text-link {
+  -moz-margin-start: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  min-width: 80px;
+  border-radius: 3px;
+  padding: 4px 16px;
+  margin: 0;
+  -moz-margin-start: 10px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"] {
+  color: #616161;
+  background-color: #e0e0e0;
+  border: 1px solid #d1d1d1; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"]:hover {
+  background-color: #d6d6d6; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"] {
+  color: white;
+  background-color: #67cc14;
+  border: 1px solid #67cc14; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"]:hover {
+  background-color: #5eba12; }
+
 #search-container {
   min-width: calc(54px + 11ch); }
 
 /* identity box */
-#identity-box {
-  padding: 1px;
-  font-size: .9em; }
-
 #identity-box:-moz-locale-dir(ltr) {
   border-top-left-radius: 1.5px;
   border-bottom-left-radius: 1.5px; }
@@ -1346,133 +1411,99 @@ toolbar[brighttext] #sync-button[status="active"] {
   border-top-right-radius: 1.5px;
   border-bottom-right-radius: 1.5px; }
 
-#notification-popup-box:not([hidden]) + #identity-box {
-  border-radius: 0; }
-
-window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
-  border-radius: 0; }
-
-/* forward button hiding is delayed when hovered */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  -moz-margin-end: 4px; }
-
-#identity-box.verifiedIdentity:not(:-moz-lwtheme) {
-  background-color: var(--verified-identity-box-backgroundcolor); }
+#identity-box.verifiedIdentity:not(:-moz-lwtheme):not(:hover):not([open=true]) {
+  background-color: var(--identity-box-verified-background-color); }
 
 #identity-box:-moz-focusring {
   outline: 1px dotted #000;
   outline-offset: -3px; }
 
-#identity-icon-labels {
-  -moz-padding-start: 2px;
-  -moz-padding-end: 5px; }
-
-:root {
+#identity-box {
   --identity-box-verified-color: #479900;
-  --identity-box-verified-background-image: linear-gradient(transparent 15%, rgba(39, 74, 8, 0.2) 15%, rgba(39, 74, 8, 0.2) 85%, transparent 85%);
   --identity-box-chrome-color: #e57300;
-  --identity-box-chrome-background-image: linear-gradient(transparent 15%, rgba(229, 114, 0, 0.5) 15%, rgba(229, 114, 0, 0.5) 85%, transparent 85%); }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  background-position: right;
-  background-size: 1px;
-  background-repeat: no-repeat; }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI:-moz-locale-dir(rtl),
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity:-moz-locale-dir(rtl) {
-  background-position: left; }
+  border-inline-end: 1px solid var(--urlbar-separator-color);
+  border-image: linear-gradient(transparent 15%, var(--urlbar-separator-color) 15%, var(--urlbar-separator-color) 85%, transparent 85%);
+  border-image-slice: 1;
+  font-size: .9em;
+  padding: 3px 5px 3px 3px;
+  margin-inline-end: 4px;
+  overflow: hidden; }
 
 #urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  color: var(--identity-box-verified-color);
-  background-image: var(--identity-box-verified-background-image); }
+  color: var(--identity-box-verified-color); }
 
 #urlbar[pageproxystate="valid"] > #identity-box.chromeUI {
-  color: var(--identity-box-chrome-color);
-  background-image: var(--identity-box-chrome-background-image); }
-
-/* page proxy icon */
-#page-proxy-favicon {
-  width: 16px;
-  height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-icons-generic.png); }
+  color: var(--identity-box-chrome-color); }
 
-.chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.png); }
-
-.verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https.png); }
-
-.verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-ev.png); }
+#identity-icon-labels {
+  padding-inline-start: 2px; }
 
-.mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active.png); }
+#notification-popup-box:not([hidden]) + #identity-box {
+  padding-inline-start: 5px;
+  border-radius: 0; }
 
-.mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
+  border-radius: 0; }
 
-.mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+/* TRACKING PROTECTION ICON */
+#tracking-protection-icon {
+  width: 16px;
+  height: 16px;
+  margin-inline-start: 0;
+  margin-inline-end: 2px;
+  list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
+  opacity: 1; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#tracking-protection-icon[state="loaded-tracking-content"] {
+  list-style-image: url(chrome://browser/skin/tracking-protection-disabled-16.svg); }
 
-@media not all and (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    -moz-image-region: rect(0, 16px, 16px, 0); }
+#tracking-protection-icon[animate] {
+  transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 32px, 16px, 16px); }
+#tracking-protection-icon:not([state]) {
+  margin-inline-start: -18px;
+  pointer-events: none;
+  opacity: 0;
+  /* Only animate the shield in, when it disappears hide it immediately. */
+  transition: none; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 48px, 16px, 32px); } }
-@media (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    list-style-image: url(chrome://browser/skin/identity-icons-generic@2x.png);
-    -moz-image-region: rect(0, 32px, 32px, 0); }
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+  visibility: collapse; }
 
-  .chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://branding/content/identity-icons-brand@2x.png); }
+/* MAIN IDENTITY ICON */
+#page-proxy-favicon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
 
-  .verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https@2x.png); }
+.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
 
-  .verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-ev@2x.png); }
+.verifiedDomain > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.verifiedIdentity > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg); }
 
-  .mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active@2x.png); }
+.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
 
-  .mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.weakCipher > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContentLoadedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg); }
 
-  .mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 64px, 32px, 32px); }
+#page-proxy-favicon[pageproxystate="invalid"] {
+  opacity: 0.3; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 96px, 32px, 64px); } }
-#urlbar[actiontype="searchengine"] > #identity-box > #page-proxy-favicon {
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icons > #page-proxy-favicon {
   -moz-image-region: inherit;
   list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
   width: 16px;
   height: 16px;
   opacity: 1; }
 
-#page-proxy-favicon {
-  margin-top: 1px;
-  margin-bottom: 1px;
-  -moz-margin-start: 3px;
-  -moz-margin-end: 1px; }
-
 .popup-notification-icon {
   width: 64px;
   height: 64px;
@@ -1525,13 +1556,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 .popup-notification-icon[popupid="webapps-install"] {
   list-style-image: url(chrome://global/skin/icons/webapps-64.png); }
 
-.popup-notification-icon[popupid="bad-content"] {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-64.png); }
-
-.popup-notification-icon[popupid="bad-content"][mixedblockdisabled],
-.popup-notification-icon[popupid="bad-content"][trackingblockdisabled] {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-64.png); }
-
 .popup-notification-icon[popupid="webRTC-sharingDevices"],
 .popup-notification-icon[popupid="webRTC-shareDevices"] {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-64.png); }
@@ -1637,14 +1661,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
     opacity: 0; }
   to {
     opacity: 1; } }
-.bad-content-blocked-notification-icon,
-#bad-content-blocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-16.png); }
-
-.bad-content-unblocked-notification-icon,
-#bad-content-unblocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-16.png); }
-
 .webRTC-shareDevices-notification-icon,
 #webRTC-shareDevices-notification-icon {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-16.png); }
@@ -1763,9 +1779,7 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 
 /* Notification icon box */
 #notification-popup-box {
-  border-radius: 2.5px 0 0 2.5px;
-  margin-top: -1px;
-  margin-bottom: -1px; }
+  border-radius: 2.5px 0 0 2.5px; }
 
 .notification-anchor-icon:-moz-focusring {
   outline: 1px dotted -moz-DialogText; }
@@ -1938,7 +1952,9 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   width: 16px;
   height: 16px; }
 
-.ac-comment {
+.ac-comment,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
   font-size: 1.05em; }
 
 .ac-extra > .ac-comment {
@@ -2055,33 +2071,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 #page-report-button {
   list-style-image: url("chrome://browser/skin/Info.png"); }
 
-/* Reading List button */
-#urlbar:not([focused]):not(:hover) #readinglist-addremove-button {
-  opacity: 0;
-  width: 0px; }
-
-#readinglist-addremove-button {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage");
-  -moz-image-region: rect(0, 14px, 14px, 0);
-  transition: width 150ms ease-in-out, opacity 150ms ease-in-out 150ms;
-  opacity: 1;
-  width: 20px; }
-
-#readinglist-addremove-button:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-hover"); }
-
-#readinglist-addremove-button:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-active"); }
-
-#readinglist-addremove-button[already-added="true"] {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded"); }
-
-#readinglist-addremove-button[already-added="true"]:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-hover"); }
-
-#readinglist-addremove-button[already-added="true"]:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-active"); }
-
 /* Reader mode button */
 #reader-mode-button {
   list-style-image: url("chrome://browser/skin/readerMode.svg");
@@ -2276,12 +2265,11 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 /* Tabstrip */
 :root {
   --tab-toolbar-navbar-overlap: 1px;
+  --navbar-tab-toolbar-highlight-overlap: 1px;
   --tab-min-height: 31px; }
 
 #TabsToolbar {
-  --tab-separator-image: url(chrome://browser/skin/tabbrowser/tab-separator.png);
-  --tab-separator-size: 3px 100%;
-  --tab-separator-opacity: 1; }
+  --tab-stroke-background-size: auto 100%; }
 
 /* image preloading hack */
 #tabbrowser-tabs::before {
@@ -2331,6 +2319,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 .tab-throbber,
 .tab-icon-image,
+.tab-icon-sound,
 .tab-close-button {
   margin-top: 1px; }
 
@@ -2346,14 +2335,33 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 .tab-icon-overlay {
   width: 16px;
   height: 16px;
-  margin-top: 10px;
+  margin-top: -12px;
   -moz-margin-start: -16px;
-  display: none; }
+  position: relative; }
 
 .tab-icon-overlay[crashed] {
-  display: -moz-box;
   list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg"); }
 
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]) {
+  border-radius: 8px; }
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover {
+  background-color: white; }
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
 .tab-throbber[busy] {
   list-style-image: url("chrome://browser/skin/custom_images/connecting.png"); }
 
@@ -2369,6 +2377,48 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-margin-end: -2px;
   padding: 0; }
 
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0; }
+
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab"); }
+
+.tab-icon-sound[soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-hover"); }
+
+.tab-icon-sound[soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-pressed"); }
+
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-muted"); }
+
+.tab-icon-sound[muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-hover"); }
+
+.tab-icon-sound[muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/dark/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-hover"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted-hover"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted-pressed"); }
+
 .tab-background,
 .tabs-newtab-button {
   /* overlap the tab curves */
@@ -2385,7 +2435,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: url(chrome://browser/skin/custom_images/dark/tabs/tab-overflow-indicator.png);
   background-size: 100% 100%;
   width: 14px;
-  margin-bottom: var(--tab-toolbar-navbar-overlap);
+  margin-bottom: var(--navbar-tab-toolbar-highlight-overlap);
   pointer-events: none;
   position: relative;
   z-index: 3;
@@ -2476,7 +2526,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: transparent;
   background-image: url(chrome://browser/skin/custom_images/darker/tabs/tab-middle.svg);
   background-repeat: repeat-x;
-  background-size: auto 100%;
+  background-size: var(--tab-stroke-background-size);
   /* The padding-top combined with background-clip: content-box (the bottom-most) ensure the
      background-color doesn't extend above the top border. */
   padding-top: 2px; }
@@ -2489,7 +2539,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
                                                                                                                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
-  background-size: auto 100%, auto 100%, auto auto; }
+  background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
 
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
@@ -2516,6 +2566,9 @@ lwtHeader;*/
 
 .tab-background-middle,
 .tabs-newtab-button,
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-sound,
 .tab-close-button {
   pointer-events: auto; }
 
@@ -2531,6 +2584,8 @@ lwtHeader;*/
   background-repeat: no-repeat;
   background-size: 85% 100%; }
 
+/* Tab separators */
+/* Also show separators beside the selected tab when dragging it. */
 /* New tab button */
 .tabs-newtab-button {
   width: calc(36px + 30px); }
@@ -2553,8 +2608,9 @@ lwtHeader;*/
 #TabsToolbar:not(:-moz-lwtheme):-moz-system-metric(menubar-drag) {
   -moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar-drag"); }
 
-.tabbrowser-tab:focus > .tab-stack > .tab-content > .tab-label {
-  outline: 1px dotted; }
+.tabbrowser-tab:focus > .tab-stack > .tab-content {
+  outline: 1px dotted;
+  outline-offset: -6px; }
 
 #context_reloadTab {
   list-style-image: url("moz-icon://stock/gtk-refresh?size=menu"); }
@@ -2759,19 +2815,12 @@ toolbarbutton.chevron > .toolbarbutton-icon {
   padding: 30px 50px;
   box-shadow: 0 0 2px white; }
 
-#full-screen-warning-container[obscure-browser] {
-  background-color: rgba(0, 0, 0, 0.3); }
-
 .full-screen-description {
   font-size: 150%; }
 
 #full-screen-domain-text {
   font-size: 300%; }
 
-.full-screen-approval-button,
-#full-screen-remember-decision {
-  font-size: 120%; }
-
 /* Responsive Mode */
 .browserContainer[responsivemode] {
   background-color: #222;
@@ -3297,23 +3346,6 @@ notification.pluginVulnerable {
 notification.pluginVulnerable .messageImage {
   list-style-image: url("chrome://browser/skin/notification-pluginBlocked.png"); }
 
-.popup-notification-item-title[popupid="bad-content"] {
-  font-weight: bold; }
-
-.popup-notification-item-message[popupid="bad-content"] {
-  width: 17em; }
-
-.popup-notification-item-message[popupid="bad-content"][mixedblockdisabled]:not(.popup-notification-item-message-critical),
-.popup-notification-item-message[popupid="bad-content"][trackingblockdisabled]:not(.popup-notification-item-message-critical) {
-  color: GrayText; }
-
-.popup-notification-item-message-critical[popupid="bad-content"] {
-  color: #d74345;
-  font-style: italic; }
-
-.popup-notification-footer[popupid="bad-content"] {
-  padding-top: 1em; }
-
 #notification-popup[popupid="login-fill"] > .panel-arrowcontainer > .panel-arrowcontent {
   /* Since we display a sliding subview that extends to the border, we cannot
    * keep the default padding of arrow panels. We use the same padding in the
@@ -3963,13 +3995,13 @@ toolbarpaletteitem[notransition][place="panel"] {
   transition: none; }
 
 toolbarpaletteitem > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon,
+toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon,
 toolbarpaletteitem > toolbaritem.panel-wide-item,
 toolbarpaletteitem > toolbarbutton[type="menu-button"] {
   transition: transform 0.3s cubic-bezier(0.6, 2, 0.75, 1.5) !important; }
 
 toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   transform: scale(1.3); }
 
 toolbarpaletteitem[mousedown] > toolbaritem.panel-wide-item,
@@ -4289,9 +4321,11 @@ toolbarpaletteitem[place="toolbar"] {
   margin: 24px -16px -16px;
   padding: 2em 15px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button {
   margin: 0 15px; }
 
+#UITourTooltipButtons > label:first-child,
 #UITourTooltipButtons > button:first-child {
   -moz-margin-start: 0; }
 
@@ -4300,6 +4334,7 @@ toolbarpaletteitem[place="toolbar"] {
   height: 16px;
   -moz-margin-end: 5px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button .button-text {
   font-size: 1.15rem; }
 
@@ -4319,6 +4354,7 @@ toolbarpaletteitem[place="toolbar"] {
   border-color: rgba(24, 26, 27, 0.15);
   box-shadow: 0 1px 0 0 rgba(24, 26, 27, 0.05) inset; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button.button-link {
   -moz-appearance: none;
   background: transparent;
@@ -4538,3 +4574,6 @@ notification.heartbeat {
   /* override toolkit/themes/linux/global/menu.css */
   -moz-padding-end: 0 !important;
   -moz-margin-end: 0 !important; }
+
+.browser-action-panel > .panel-arrowcontainer > .panel-arrowcontent {
+  padding: 0; }
diff --git a/arc-firefox-theme/chrome/browser/sass/browser-light.css b/arc-firefox-theme/chrome/browser/sass/browser-light.css
index 82ffb11..f7ed613 100644
--- a/arc-firefox-theme/chrome/browser/sass/browser-light.css
+++ b/arc-firefox-theme/chrome/browser/sass/browser-light.css
@@ -62,8 +62,8 @@
 #TabsToolbar:not([collapsed="true"]) + #nav-bar {
   border-top: 1px solid rgba(212, 213, 219, 0.95) !important;
   background-clip: padding-box;
-  margin-top: -1px;
   /* Move up into the TabsToolbar for the inner highlight at the top of the nav-bar */
+  margin-top: calc(-1 * var(--navbar-tab-toolbar-highlight-overlap));
   /* Position the toolbar above the bottom of background tabs */
   position: relative;
   z-index: 1; }
@@ -99,7 +99,7 @@
 /* Places toolbar */
 toolbarbutton.bookmark-item:not(.subviewbutton),
 #personal-bookmarks[cui-areatype="toolbar"]:not([overflowedItem=true]) > #bookmarks-toolbar-placeholder {
-  margin: 1px;
+  margin: 0;
   padding: 2px 3px; }
 
 toolbarbutton.bookmark-item:not(.subviewbutton):not(:hover):not(:active):not([open]) {
@@ -283,7 +283,7 @@ menuitem.bookmark-item {
   opacity: 0.7; }
 
 /* Stock icons for the menu bar items */
-menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
+menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip):not([endimage]) {
   -moz-binding: url("chrome://global/content/bindings/menu.xml#menuitem-iconic"); }
 
 #placesContext_open\:newwindow,
@@ -442,10 +442,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 #panelMenu_unsortedBookmarks {
   list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png"); }
 
-#menu_readingList,
-#BMB_readingList {
-  list-style-image: url("chrome://browser/skin/readinglist/readinglist-icon.svg"); }
-
 #panelMenu_pocket,
 #menu_pocket,
 #BMB_pocket {
@@ -495,7 +491,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 .findbar-button > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon {
   -moz-margin-end: 0;
   padding: 2px 6px;
@@ -505,13 +501,13 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-duration: 150ms; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not(:-moz-any(#back-button, #forward-button, #home-button, #print-button, #downloads-button, #bookmarks-menu-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-button, #tabview-button, #social-share-button, #open-file-button, #find-button, #developer-button, #preferences-button, #privatebrowsing-button, #save-page-button, #add-ons-button, #history-panelmenu, #nav-bar-overflow-button, #PanelUI-menu-button, #characterencoding-button, #email-link-button, #sidebar-button, #zoom-out-button, #zoom-reset-button, #zoom-in-button, #cut-button, #copy-button, #paste-button, #e10s-button, #panic-button, #web-apps-button, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 /* Help SDK icons fit: */
 toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon,
-toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   width: 16px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-icon {
@@ -531,7 +527,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open]:not([disabled=true]) > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-button > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):not([open]):hover > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):hover > .toolbarbutton-icon {
   background: var(--toolbarbutton-hover-background);
   border-width: 1px;
@@ -553,7 +549,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 .findbar-button:not([disabled=true]):-moz-any([checked="true"], :hover:active) > .toolbarbutton-text,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([open="true"]) > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+:-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: var(--toolbarbutton-active-background);
   box-shadow: var(--toolbarbutton-active-boxshadow);
@@ -564,7 +560,7 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
 
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-menubutton-button:not([disabled=true]):-moz-any(:hover:active, [open="true"]) > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1[open="true"] > .toolbarbutton-menubutton-dropmarker:not([disabled=true]) > .dropmarker-icon,
-#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
+#TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-stack,
 #TabsToolbar .toolbarbutton-1:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-icon {
   background: none;
   color: #ffffff;
@@ -604,9 +600,9 @@ toolbarbutton[constrain-size="true"][cui-areatype="toolbar"] > .toolbarbutton-ba
   transform: scaleX(-1); }
 
 #forward-button {
+  padding: 0;
   margin-left: 2px;
-  margin-right: 2px;
-  padding: 0; }
+  margin-right: 2px; }
 
 /* tabview menu item */
 #menu_tabview {
@@ -743,6 +739,13 @@ toolbar[brighttext] #sync-button[status="active"] {
 #PanelUI-menu-button {
   -moz-image-region: rect(0, 486px, 18px, 468px); }
 
+#PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger.png") !important;
+  -moz-image-region: auto !important; }
+
+toolbar[brighttext] #PanelUI-menu-button.thumburger {
+  list-style-image: url("chrome://browser/skin/customizableui/thumburger-inverted.png") !important; }
+
 #edit-controls:not(:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])) > #cut-button {
   -moz-image-region: rect(0, 504px, 18px, 486px); }
 
@@ -785,33 +788,33 @@ toolbar[brighttext] #sync-button[status="active"] {
 #web-apps-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 720px, 18px, 702px); }
 
-#loop-button > .toolbarbutton-badge-container {
+#loop-button {
   list-style-image: url("chrome://browser/skin/custom_images/light/loop-toolbar-icons.svg");
   -moz-image-region: rect(0, 18px, 18px, 0); }
-  #TabsToolbar #loop-button > .toolbarbutton-badge-container {
+  #TabsToolbar #loop-button {
     list-style-image: url("chrome://browser/skin/custom_images/light/loop-tabbar-icons.svg"); }
 
-#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container,
-#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .toolbarbutton-badge-container {
-  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg"); }
+#loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active),
+#TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+  list-style-image: url("chrome://browser/skin/custom_images/loop-toolbar-icons-active.svg") !important; }
 
-#loop-button[state="disabled"] > .toolbarbutton-badge-container,
-#loop-button[disabled="true"] > .toolbarbutton-badge-container {
+#loop-button[state="disabled"],
+#loop-button[disabled="true"] {
   -moz-image-region: rect(0, 36px, 18px, 18px); }
 
-#loop-button:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="error"] {
   -moz-image-region: rect(0, 54px, 18px, 36px); }
 
-#loop-button:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"] {
   -moz-image-region: rect(0, 72px, 18px, 54px); }
 
-#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 90px, 18px, 72px); }
 
-#loop-button:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"] {
   -moz-image-region: rect(0, 108px, 18px, 90px); }
 
-#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+#loop-button:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
   -moz-image-region: rect(0, 126px, 18px, 108px); }
 
 #webide-button[cui-areatype="toolbar"] {
@@ -975,32 +978,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel.png);
     -moz-image-region: rect(0, 32px, 32px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 32px, 32px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 64px, 32px, 32px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 96px, 32px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 128px, 32px, 96px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 160px, 32px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 192px, 32px, 160px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 224px, 32px, 192px); }
 
   /* Wide panel control icons */
@@ -1119,32 +1122,32 @@ toolbar[brighttext] #sync-button[status="active"] {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #loop-button[cui-areatype="menu-panel"] > .toolbarbutton-badge-container,
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > #loop-button {
     list-style-image: url(chrome://browser/skin/loop/menuPanel@2x.png);
     -moz-image-region: rect(0, 64px, 64px, 0); }
 
   /* Make sure that the state icons are not shown in the customization palette. */
-  toolbarpaletteitem[place="palette"] > #loop-button > .toolbarbutton-badge-container {
+  toolbarpaletteitem[place="palette"] > #loop-button {
     -moz-image-region: rect(0, 64px, 64px, 0) !important; }
 
-  #loop-button[cui-areatype="menu-panel"][state="disabled"] > .toolbarbutton-badge-container,
-  #loop-button[cui-areatype="menu-panel"][disabled="true"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"][state="disabled"],
+  #loop-button[cui-areatype="menu-panel"][disabled="true"] {
     -moz-image-region: rect(0, 128px, 64px, 64px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="error"] {
     -moz-image-region: rect(0, 192px, 64px, 128px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"] {
     -moz-image-region: rect(0, 256px, 64px, 192px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="action"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 320px, 64px, 256px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"] {
     -moz-image-region: rect(0, 384px, 64px, 320px); }
 
-  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) > .toolbarbutton-badge-container {
+  #loop-button[cui-areatype="menu-panel"]:not([disabled="true"])[state="active"]:-moz-any(:hover, :hover:active, [open]) {
     -moz-image-region: rect(0, 448px, 64px, 384px); }
 
   #new-tab-button[cui-areatype="menu-panel"],
@@ -1282,7 +1285,7 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar,
 .searchbar-textbox {
   -moz-appearance: none;
-  padding: 3px;
+  padding: 2px 3px;
   border-radius: 3px;
   margin: 0 3px;
   color: #5c616c;
@@ -1314,6 +1317,25 @@ toolbar[brighttext] #sync-button[status="active"] {
 #urlbar-icons {
   -moz-box-align: center; }
 
+#urlbar-search-footer {
+  border-top: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  color: inherit;
+  margin: 0;
+  border: 0;
+  padding: 8px 20px;
+  background: transparent; }
+
+#urlbar-search-settings:hover {
+  background-color: rgba(24, 26, 27, 0.07); }
+
+#urlbar-search-settings:hover:active {
+  background-color: rgba(24, 26, 27, 0.12); }
+
 #urlbar-search-splitter {
   -moz-appearance: none;
   width: 8px; }
@@ -1330,14 +1352,57 @@ toolbar[brighttext] #sync-button[status="active"] {
   -moz-margin-start: 0;
   color: GrayText; }
 
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] {
+  border-bottom: 1px solid rgba(24, 26, 27, 0.14);
+  background-color: rgba(24, 26, 27, 0.07);
+  padding: 6px 0;
+  -moz-padding-start: 44px;
+  -moz-padding-end: 6px;
+  background-image: url("chrome://browser/skin/info.svg");
+  background-clip: padding-box;
+  background-position: 20px center;
+  background-repeat: no-repeat;
+  background-size: 16px 16px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"]:-moz-locale-dir(rtl) {
+  background-position: right 20px center; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description {
+  margin: 0;
+  padding: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description > label.text-link {
+  -moz-margin-start: 0; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
+  -moz-appearance: none;
+  -moz-user-focus: ignore;
+  min-width: 80px;
+  border-radius: 3px;
+  padding: 4px 16px;
+  margin: 0;
+  -moz-margin-start: 10px; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"] {
+  color: #616161;
+  background-color: #e0e0e0;
+  border: 1px solid #d1d1d1; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"]:hover {
+  background-color: #d6d6d6; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"] {
+  color: white;
+  background-color: #67cc14;
+  border: 1px solid #67cc14; }
+
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"]:hover {
+  background-color: #5eba12; }
+
 #search-container {
   min-width: calc(54px + 11ch); }
 
 /* identity box */
-#identity-box {
-  padding: 1px;
-  font-size: .9em; }
-
 #identity-box:-moz-locale-dir(ltr) {
   border-top-left-radius: 1.5px;
   border-bottom-left-radius: 1.5px; }
@@ -1346,133 +1411,99 @@ toolbar[brighttext] #sync-button[status="active"] {
   border-top-right-radius: 1.5px;
   border-bottom-right-radius: 1.5px; }
 
-#notification-popup-box:not([hidden]) + #identity-box {
-  border-radius: 0; }
-
-window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
-  border-radius: 0; }
-
-/* forward button hiding is delayed when hovered */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-/* when not hovered anymore, trigger a new non-delayed transition to react to the forward button hiding */
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  -moz-margin-end: 4px; }
-
-#identity-box.verifiedIdentity:not(:-moz-lwtheme) {
-  background-color: var(--verified-identity-box-backgroundcolor); }
+#identity-box.verifiedIdentity:not(:-moz-lwtheme):not(:hover):not([open=true]) {
+  background-color: var(--identity-box-verified-background-color); }
 
 #identity-box:-moz-focusring {
   outline: 1px dotted #000;
   outline-offset: -3px; }
 
-#identity-icon-labels {
-  -moz-padding-start: 2px;
-  -moz-padding-end: 5px; }
-
-:root {
+#identity-box {
   --identity-box-verified-color: #479900;
-  --identity-box-verified-background-image: linear-gradient(transparent 15%, rgba(39, 74, 8, 0.2) 15%, rgba(39, 74, 8, 0.2) 85%, transparent 85%);
   --identity-box-chrome-color: #e57300;
-  --identity-box-chrome-background-image: linear-gradient(transparent 15%, rgba(229, 114, 0, 0.5) 15%, rgba(229, 114, 0, 0.5) 85%, transparent 85%); }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI,
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  background-position: right;
-  background-size: 1px;
-  background-repeat: no-repeat; }
-
-#urlbar[pageproxystate="valid"] > #identity-box.chromeUI:-moz-locale-dir(rtl),
-#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity:-moz-locale-dir(rtl) {
-  background-position: left; }
+  border-inline-end: 1px solid var(--urlbar-separator-color);
+  border-image: linear-gradient(transparent 15%, var(--urlbar-separator-color) 15%, var(--urlbar-separator-color) 85%, transparent 85%);
+  border-image-slice: 1;
+  font-size: .9em;
+  padding: 3px 5px 3px 3px;
+  margin-inline-end: 4px;
+  overflow: hidden; }
 
 #urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
-  color: var(--identity-box-verified-color);
-  background-image: var(--identity-box-verified-background-image); }
+  color: var(--identity-box-verified-color); }
 
 #urlbar[pageproxystate="valid"] > #identity-box.chromeUI {
-  color: var(--identity-box-chrome-color);
-  background-image: var(--identity-box-chrome-background-image); }
-
-/* page proxy icon */
-#page-proxy-favicon {
-  width: 16px;
-  height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-icons-generic.png); }
+  color: var(--identity-box-chrome-color); }
 
-.chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.png); }
-
-.verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https.png); }
-
-.verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-ev.png); }
+#identity-icon-labels {
+  padding-inline-start: 2px; }
 
-.mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active.png); }
+#notification-popup-box:not([hidden]) + #identity-box {
+  padding-inline-start: 5px;
+  border-radius: 0; }
 
-.mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
+  border-radius: 0; }
 
-.mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display.png); }
+/* TRACKING PROTECTION ICON */
+#tracking-protection-icon {
+  width: 16px;
+  height: 16px;
+  margin-inline-start: 0;
+  margin-inline-end: 2px;
+  list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
+  opacity: 1; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#tracking-protection-icon[state="loaded-tracking-content"] {
+  list-style-image: url(chrome://browser/skin/tracking-protection-disabled-16.svg); }
 
-@media not all and (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    -moz-image-region: rect(0, 16px, 16px, 0); }
+#tracking-protection-icon[animate] {
+  transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 32px, 16px, 16px); }
+#tracking-protection-icon:not([state]) {
+  margin-inline-start: -18px;
+  pointer-events: none;
+  opacity: 0;
+  /* Only animate the shield in, when it disappears hide it immediately. */
+  transition: none; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 48px, 16px, 32px); } }
-@media (min-resolution: 1.1dppx) {
-  #page-proxy-favicon {
-    list-style-image: url(chrome://browser/skin/identity-icons-generic@2x.png);
-    -moz-image-region: rect(0, 32px, 32px, 0); }
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+  visibility: collapse; }
 
-  .chromeUI > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://branding/content/identity-icons-brand@2x.png); }
+/* MAIN IDENTITY ICON */
+#page-proxy-favicon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
 
-  .verifiedDomain > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https@2x.png); }
+.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
 
-  .verifiedIdentity > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-ev@2x.png); }
+.verifiedDomain > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.verifiedIdentity > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg); }
 
-  .mixedActiveContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-active@2x.png); }
+.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
 
-  .mixedDisplayContent > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.weakCipher > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
+.mixedDisplayContentLoadedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg); }
 
-  .mixedDisplayContentLoadedActiveBlocked > #page-proxy-favicon[pageproxystate="valid"] {
-    list-style-image: url(chrome://browser/skin/identity-icons-https-mixed-display@2x.png); }
+.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
 
-  #identity-box:hover > #page-proxy-favicon {
-    -moz-image-region: rect(0, 64px, 32px, 32px); }
+#page-proxy-favicon[pageproxystate="invalid"] {
+  opacity: 0.3; }
 
-  #identity-box:hover:active > #page-proxy-favicon,
-  #identity-box[open=true] > #page-proxy-favicon {
-    -moz-image-region: rect(0, 96px, 32px, 64px); } }
-#urlbar[actiontype="searchengine"] > #identity-box > #page-proxy-favicon {
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icons > #page-proxy-favicon {
   -moz-image-region: inherit;
   list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
   width: 16px;
   height: 16px;
   opacity: 1; }
 
-#page-proxy-favicon {
-  margin-top: 1px;
-  margin-bottom: 1px;
-  -moz-margin-start: 3px;
-  -moz-margin-end: 1px; }
-
 .popup-notification-icon {
   width: 64px;
   height: 64px;
@@ -1525,13 +1556,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 .popup-notification-icon[popupid="webapps-install"] {
   list-style-image: url(chrome://global/skin/icons/webapps-64.png); }
 
-.popup-notification-icon[popupid="bad-content"] {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-64.png); }
-
-.popup-notification-icon[popupid="bad-content"][mixedblockdisabled],
-.popup-notification-icon[popupid="bad-content"][trackingblockdisabled] {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-64.png); }
-
 .popup-notification-icon[popupid="webRTC-sharingDevices"],
 .popup-notification-icon[popupid="webRTC-shareDevices"] {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-64.png); }
@@ -1637,14 +1661,6 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
     opacity: 0; }
   to {
     opacity: 1; } }
-.bad-content-blocked-notification-icon,
-#bad-content-blocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-blocked-16.png); }
-
-.bad-content-unblocked-notification-icon,
-#bad-content-unblocked-notification-icon {
-  list-style-image: url(chrome://browser/skin/bad-content-unblocked-16.png); }
-
 .webRTC-shareDevices-notification-icon,
 #webRTC-shareDevices-notification-icon {
   list-style-image: url(chrome://browser/skin/webRTC-shareDevice-16.png); }
@@ -1763,9 +1779,7 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 
 /* Notification icon box */
 #notification-popup-box {
-  border-radius: 2.5px 0 0 2.5px;
-  margin-top: -1px;
-  margin-bottom: -1px; }
+  border-radius: 2.5px 0 0 2.5px; }
 
 .notification-anchor-icon:-moz-focusring {
   outline: 1px dotted -moz-DialogText; }
@@ -1938,7 +1952,9 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   width: 16px;
   height: 16px; }
 
-.ac-comment {
+.ac-comment,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description,
+#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
   font-size: 1.05em; }
 
 .ac-extra > .ac-comment {
@@ -2055,33 +2071,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 #page-report-button {
   list-style-image: url("chrome://browser/skin/Info.png"); }
 
-/* Reading List button */
-#urlbar:not([focused]):not(:hover) #readinglist-addremove-button {
-  opacity: 0;
-  width: 0px; }
-
-#readinglist-addremove-button {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage");
-  -moz-image-region: rect(0, 14px, 14px, 0);
-  transition: width 150ms ease-in-out, opacity 150ms ease-in-out 150ms;
-  opacity: 1;
-  width: 20px; }
-
-#readinglist-addremove-button:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-hover"); }
-
-#readinglist-addremove-button:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#addpage-active"); }
-
-#readinglist-addremove-button[already-added="true"] {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded"); }
-
-#readinglist-addremove-button[already-added="true"]:hover {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-hover"); }
-
-#readinglist-addremove-button[already-added="true"]:active {
-  list-style-image: url("chrome://browser/skin/readinglist/icons.svg#alreadyadded-active"); }
-
 /* Reader mode button */
 #reader-mode-button {
   list-style-image: url("chrome://browser/skin/readerMode.svg");
@@ -2276,12 +2265,11 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 /* Tabstrip */
 :root {
   --tab-toolbar-navbar-overlap: 1px;
+  --navbar-tab-toolbar-highlight-overlap: 1px;
   --tab-min-height: 31px; }
 
 #TabsToolbar {
-  --tab-separator-image: url(chrome://browser/skin/tabbrowser/tab-separator.png);
-  --tab-separator-size: 3px 100%;
-  --tab-separator-opacity: 1; }
+  --tab-stroke-background-size: auto 100%; }
 
 /* image preloading hack */
 #tabbrowser-tabs::before {
@@ -2331,6 +2319,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 
 .tab-throbber,
 .tab-icon-image,
+.tab-icon-sound,
 .tab-close-button {
   margin-top: 1px; }
 
@@ -2346,14 +2335,33 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 .tab-icon-overlay {
   width: 16px;
   height: 16px;
-  margin-top: 10px;
+  margin-top: -12px;
   -moz-margin-start: -16px;
-  display: none; }
+  position: relative; }
 
 .tab-icon-overlay[crashed] {
-  display: -moz-box;
   list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg"); }
 
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]) {
+  border-radius: 8px; }
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover {
+  background-color: white; }
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio"); }
+
+.tabbrowser-tab[visuallyselected=true] .tab-icon-overlay[muted]:not([crashed]) {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio-small.svg#tab-audio-muted"); }
+
 .tab-throbber[busy] {
   list-style-image: url("chrome://browser/skin/custom_images/connecting.png"); }
 
@@ -2369,6 +2377,48 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-margin-end: -2px;
   padding: 0; }
 
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0; }
+
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab"); }
+
+.tab-icon-sound[soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-hover"); }
+
+.tab-icon-sound[soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-pressed"); }
+
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-muted"); }
+
+.tab-icon-sound[muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-hover"); }
+
+.tab-icon-sound[muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-backgroundTab-muted-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-hover"); }
+
+.tab-icon-sound[visuallyselected=true][soundplaying]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-pressed"); }
+
+.tab-icon-sound[visuallyselected=true][muted] {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted-hover"); }
+
+.tab-icon-sound[visuallyselected=true][muted]:hover:active {
+  list-style-image: url("chrome://browser/skin/custom_images/light/tabs/tab-audio.svg#tab-audio-muted-pressed"); }
+
 .tab-background,
 .tabs-newtab-button {
   /* overlap the tab curves */
@@ -2385,7 +2435,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: url(chrome://browser/skin/custom_images/light/tabs/tab-overflow-indicator.png);
   background-size: 100% 100%;
   width: 14px;
-  margin-bottom: var(--tab-toolbar-navbar-overlap);
+  margin-bottom: var(--navbar-tab-toolbar-highlight-overlap);
   pointer-events: none;
   position: relative;
   z-index: 3;
@@ -2476,7 +2526,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: transparent;
   background-image: url(chrome://browser/skin/custom_images/light/tabs/tab-middle.svg);
   background-repeat: repeat-x;
-  background-size: auto 100%;
+  background-size: var(--tab-stroke-background-size);
   /* The padding-top combined with background-clip: content-box (the bottom-most) ensure the
      background-color doesn't extend above the top border. */
   padding-top: 2px; }
@@ -2489,7 +2539,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
                                                                                                                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
-  background-size: auto 100%, auto 100%, auto auto; }
+  background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
 
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
@@ -2516,6 +2566,9 @@ lwtHeader;*/
 
 .tab-background-middle,
 .tabs-newtab-button,
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-sound,
 .tab-close-button {
   pointer-events: auto; }
 
@@ -2531,6 +2584,8 @@ lwtHeader;*/
   background-repeat: no-repeat;
   background-size: 85% 100%; }
 
+/* Tab separators */
+/* Also show separators beside the selected tab when dragging it. */
 /* New tab button */
 .tabs-newtab-button {
   width: calc(36px + 30px); }
@@ -2553,8 +2608,9 @@ lwtHeader;*/
 #TabsToolbar:not(:-moz-lwtheme):-moz-system-metric(menubar-drag) {
   -moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar-drag"); }
 
-.tabbrowser-tab:focus > .tab-stack > .tab-content > .tab-label {
-  outline: 1px dotted; }
+.tabbrowser-tab:focus > .tab-stack > .tab-content {
+  outline: 1px dotted;
+  outline-offset: -6px; }
 
 #context_reloadTab {
   list-style-image: url("moz-icon://stock/gtk-refresh?size=menu"); }
@@ -2759,19 +2815,12 @@ toolbarbutton.chevron > .toolbarbutton-icon {
   padding: 30px 50px;
   box-shadow: 0 0 2px white; }
 
-#full-screen-warning-container[obscure-browser] {
-  background-color: rgba(0, 0, 0, 0.3); }
-
 .full-screen-description {
   font-size: 150%; }
 
 #full-screen-domain-text {
   font-size: 300%; }
 
-.full-screen-approval-button,
-#full-screen-remember-decision {
-  font-size: 120%; }
-
 /* Responsive Mode */
 .browserContainer[responsivemode] {
   background-color: #222;
@@ -3297,23 +3346,6 @@ notification.pluginVulnerable {
 notification.pluginVulnerable .messageImage {
   list-style-image: url("chrome://browser/skin/notification-pluginBlocked.png"); }
 
-.popup-notification-item-title[popupid="bad-content"] {
-  font-weight: bold; }
-
-.popup-notification-item-message[popupid="bad-content"] {
-  width: 17em; }
-
-.popup-notification-item-message[popupid="bad-content"][mixedblockdisabled]:not(.popup-notification-item-message-critical),
-.popup-notification-item-message[popupid="bad-content"][trackingblockdisabled]:not(.popup-notification-item-message-critical) {
-  color: GrayText; }
-
-.popup-notification-item-message-critical[popupid="bad-content"] {
-  color: #d74345;
-  font-style: italic; }
-
-.popup-notification-footer[popupid="bad-content"] {
-  padding-top: 1em; }
-
 #notification-popup[popupid="login-fill"] > .panel-arrowcontainer > .panel-arrowcontent {
   /* Since we display a sliding subview that extends to the border, we cannot
    * keep the default padding of arrow panels. We use the same padding in the
@@ -3963,13 +3995,13 @@ toolbarpaletteitem[notransition][place="panel"] {
   transition: none; }
 
 toolbarpaletteitem > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon,
+toolbarpaletteitem > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon,
 toolbarpaletteitem > toolbaritem.panel-wide-item,
 toolbarpaletteitem > toolbarbutton[type="menu-button"] {
   transition: transform 0.3s cubic-bezier(0.6, 2, 0.75, 1.5) !important; }
 
 toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-icon,
-toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-container > .toolbarbutton-icon {
+toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-badge-stack > .toolbarbutton-icon {
   transform: scale(1.3); }
 
 toolbarpaletteitem[mousedown] > toolbaritem.panel-wide-item,
@@ -4289,9 +4321,11 @@ toolbarpaletteitem[place="toolbar"] {
   margin: 24px -16px -16px;
   padding: 2em 15px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button {
   margin: 0 15px; }
 
+#UITourTooltipButtons > label:first-child,
 #UITourTooltipButtons > button:first-child {
   -moz-margin-start: 0; }
 
@@ -4300,6 +4334,7 @@ toolbarpaletteitem[place="toolbar"] {
   height: 16px;
   -moz-margin-end: 5px; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button .button-text {
   font-size: 1.15rem; }
 
@@ -4319,6 +4354,7 @@ toolbarpaletteitem[place="toolbar"] {
   border-color: rgba(24, 26, 27, 0.15);
   box-shadow: 0 1px 0 0 rgba(24, 26, 27, 0.05) inset; }
 
+#UITourTooltipButtons > label,
 #UITourTooltipButtons > button.button-link {
   -moz-appearance: none;
   background: transparent;
@@ -4538,3 +4574,6 @@ notification.heartbeat {
   /* override toolkit/themes/linux/global/menu.css */
   -moz-padding-end: 0 !important;
   -moz-margin-end: 0 !important; }
+
+.browser-action-panel > .panel-arrowcontainer > .panel-arrowcontent {
+  padding: 0; }
diff --git a/arc-firefox-theme/chrome/browser/search-arrow-go.svg b/arc-firefox-theme/chrome/browser/search-arrow-go.svg
new file mode 100644
index 0000000..ddddff1
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/search-arrow-go.svg
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    use:not(:target) {
+      display: none;
+    }
+    use {
+      fill: #616366;
+    }
+    use[id$="-inverted"] {
+      fill: #fff;
+    }
+  </style>
+  <defs>
+    <path id="search-arrow-go-glyph" d="M1,7v2.2C1,9.8,1.4,10,2,10h7.5l-3,3.1c-0.4,0.3-0.4,1,0,1.4l0.8,0.8 c0.4,0.4,1,0.4,1.4,0l6.6-6.6c0.4-0.4,0.4-1,0-1.4L8.7,0.7c-0.4-0.4-1-0.4-1.4,0L6.5,1.6C6.1,2,6.1,2.6,6.5,3l3,3H2C1.4,6,1,6.4,1,7z"/>
+  </defs>
+  <use id="search-arrow-go" xlink:href="#search-arrow-go-glyph"/>
+  <use id="search-arrow-go-inverted" xlink:href="#search-arrow-go-glyph"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/search-indicator-magnifying-glass.svg b/arc-firefox-theme/chrome/browser/search-indicator-magnifying-glass.svg
new file mode 100644
index 0000000..15bddfb
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/search-indicator-magnifying-glass.svg
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
+  <path fill="#808080" d="M21.7,20.3l-1.4,1.4l-5.4-5.4c-1.3,1-3,1.7-4.9,1.7 c-4.4,0-8-3.6-8-8c0-4.4,3.6-8,8-8c4.4,0,8,3.6,8,8c0,1.8-0.6,3.5-1.7,4.9L21.7,20.3z M10,4c-3.3,0-6,2.7-6,6s2.7,6,6,6s6-2.7,6-6 S13.3,4,10,4z"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/searchbar.css b/arc-firefox-theme/chrome/browser/searchbar.css
index 4627bba..08fd9dd 100644
--- a/arc-firefox-theme/chrome/browser/searchbar.css
+++ b/arc-firefox-theme/chrome/browser/searchbar.css
@@ -7,11 +7,6 @@
   padding: 1px;
 }
 
-.searchbar-textbox {
-  min-height: 22px;
-  background-color: -moz-field;
-}
-
 .autocomplete-textbox-container {
   -moz-box-align: stretch;
 }
@@ -81,6 +76,8 @@ menuitem[cmd="cmd_clearhistory"][disabled] {
 .searchbar-search-button {
   list-style-image: url("chrome://browser/skin/search-indicator.png");
   -moz-image-region: rect(0, 20px, 20px, 0);
+  margin-top: 1px;
+  margin-bottom: 1px;
   -moz-margin-start: 2px;
 }
 
diff --git a/arc-firefox-theme/chrome/browser/tabbrowser/pendingpaint.png b/arc-firefox-theme/chrome/browser/tabbrowser/pendingpaint.png
index 82bac53..512b525 100644
--- a/arc-firefox-theme/chrome/browser/tabbrowser/pendingpaint.png
+++ b/arc-firefox-theme/chrome/browser/tabbrowser/pendingpaint.png
diff --git a/arc-firefox-theme/chrome/browser/tabbrowser/tab-audio-small.svg b/arc-firefox-theme/chrome/browser/tabbrowser/tab-audio-small.svg
new file mode 100644
index 0000000..27a36c4
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/tabbrowser/tab-audio-small.svg
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #262626;
+    }
+    .icon > .outline {
+      fill: #fff;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white > .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+  </style>
+
+  <g id="tab-audio" class="icon">
+    <path class="outline" d="M12.4,3.6l-1-0.6l-0.9,2.5H10V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5H4C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.6l3.6,3.6 c0.3,0.3,0.9,0.1,0.9-0.4v-3.7h0.5l0.9,2.5l1-0.6C14,11.5,15,9.8,15,8S14,4.5,12.4,3.6z M9,13l-3-3H4c-0.6,0-1-0.4-1-1V7 c0-0.6,0.4-1,1-1h2l3-3V13z M10,9.5v-3c0.8,0,1.5,0.7,1.5,1.5S10.8,9.5,10,9.5z M11.9,11.5l-0.4-0.9C12.4,10,13,9.1,13,8 s-0.6-2-1.4-2.5l0.3-1C13.2,5.2,14,6.5,14,8S13.2,10.8,11.9,11.5z"/>
+    <path d="M4,6C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h2l3,3V3L6,6H4z M10,6.5v3c0.8,0,1.5-0.7,1.5-1.5S10.8,6.5,10,6.5z M11.9,4.5 l-0.4,0.9C12.4,6,13,6.9,13,8s-0.6,2-1.4,2.5l0.4,0.9c1.2-0.7,2.1-2,2.1-3.5S13.2,5.2,11.9,4.5z"/>
+  </g>
+  <g id="tab-audio-muted" class="icon">
+    <path class="outline" d="M5.6,5H4C2.9,5,2,5.9,2,7v2c0,0.7,0.3,1.3,0.9,1.7l-1.8,1.8l2.5,2.5l3-3l2.6,2.6c0.3,0.3,0.9,0.1,0.9-0.4V8.5l3.9-3.9 l-2.5-2.5L10,3.5V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5z"/>
+    <path d="M11.5,3.5L9,5.9V3L6,6H4C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h0.9l-2.5,2.5l1.1,1.1l9-9L11.5,3.5z M9,13V9.7l-1.7,1.7L9,13z"/>
+  </g>
+
+  <g id="tab-audio-white" class="icon white">
+    <path class="outline" d="M12.4,3.6l-1-0.6l-0.9,2.5H10V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5H4C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.6l3.6,3.6 c0.3,0.3,0.9,0.1,0.9-0.4v-3.7h0.5l0.9,2.5l1-0.6C14,11.5,15,9.8,15,8S14,4.5,12.4,3.6z M9,13l-3-3H4c-0.6,0-1-0.4-1-1V7 c0-0.6,0.4-1,1-1h2l3-3V13z M10,9.5v-3c0.8,0,1.5,0.7,1.5,1.5S10.8,9.5,10,9.5z M11.9,11.5l-0.4-0.9C12.4,10,13,9.1,13,8 s-0.6-2-1.4-2.5l0.3-1C13.2,5.2,14,6.5,14,8S13.2,10.8,11.9,11.5z"/>
+    <path d="M4,6C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h2l3,3V3L6,6H4z M10,6.5v3c0.8,0,1.5-0.7,1.5-1.5S10.8,6.5,10,6.5z M11.9,4.5 l-0.4,0.9C12.4,6,13,6.9,13,8s-0.6,2-1.4,2.5l0.4,0.9c1.2-0.7,2.1-2,2.1-3.5S13.2,5.2,11.9,4.5z"/>
+  </g>
+  <g id="tab-audio-white-muted" class="icon white">
+    <path class="outline" d="M5.6,5H4C2.9,5,2,5.9,2,7v2c0,0.7,0.3,1.3,0.9,1.7l-1.8,1.8l2.5,2.5l3-3l2.6,2.6c0.3,0.3,0.9,0.1,0.9-0.4V8.5l3.9-3.9 l-2.5-2.5L10,3.5V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5z"/>
+    <path d="M11.5,3.5L9,5.9V3L6,6H4C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h0.9l-2.5,2.5l1.1,1.1l9-9L11.5,3.5z M9,13V9.7l-1.7,1.7L9,13z"/>
+  </g>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/tabbrowser/tab-audio.svg b/arc-firefox-theme/chrome/browser/tabbrowser/tab-audio.svg
new file mode 100644
index 0000000..e62a69f
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/tabbrowser/tab-audio.svg
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #333;
+      opacity: .75;
+    }
+    .icon.hover {
+      fill: #1a1a1a;
+      opacity: .85;
+    }
+    .icon.pressed {
+      fill: #0d0d0d;
+      opacity: .95;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white.hover {
+      opacity: .9;
+    }
+    .icon.white.pressed {
+      opacity: 1;
+    }
+    .icon.white > .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+
+    .icon.backgroundTab,
+    .icon.backgroundTab.hover,
+    .icon.backgroundTab.pressed {
+      fill: -moz-MenuBarText;
+    }
+  </style>
+
+  <path id="tab-audio" class="icon" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  <path id="tab-audio-hover" class="icon hover" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  <path id="tab-audio-pressed" class="icon pressed" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+
+  <path id="tab-audio-muted" class="icon" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  <path id="tab-audio-muted-hover" class="icon hover" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  <path id="tab-audio-muted-pressed" class="icon pressed" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+
+  <path id="tab-audio-backgroundTab" class="icon backgroundTab" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  <path id="tab-audio-backgroundTab-hover" class="icon backgroundTab hover" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  <path id="tab-audio-backgroundTab-pressed" class="icon backgroundTab pressed" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+
+  <path id="tab-audio-backgroundTab-muted" class="icon backgroundTab" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  <path id="tab-audio-backgroundTab-muted-hover" class="icon backgroundTab hover" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  <path id="tab-audio-backgroundTab-muted-pressed" class="icon backgroundTab pressed" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+
+  <g id="tab-audio-white" class="icon white">
+    <path class="outline" d="M9,2v12l-3.8-3H4c-1.1,0-2-0.9-2-2V7c0-1.1,0.9-2,2-2h1.2L9,2 M11.4,3.2C13.5,3.8,15,5.7,15,8 s-1.5,4.2-3.5,4.7l-0.4-0.9c1.7-0.4,2.9-2,2.9-3.8s-1.2-3.4-3-3.9L11.4,3.2 M10.7,5.1C12,5.4,13,6.6,13,8s-1,2.6-2.2,2.9L10.4,10 C11.3,9.8,12,9,12,8s-0.7-1.8-1.6-2L10.7,5.1 M10,7c0.6,0,1,0.4,1,1s-0.4,1-1,1V7 M10-0.1L8.4,1.2L4.9,4H4C2.3,4,1,5.3,1,7v2 c0,1.7,1.3,3,3,3h0.9l3.5,2.8l1.6,1.3V14v-2.2l0.2,0.4l0.4,0.9l0.3,0.8l0.8-0.2C14.2,13,16,10.7,16,8c0-2.7-1.7-5-4.3-5.8L10.8,2 l-0.4,0.8l-0.4,0.9L10,3.9V2V-0.1L10-0.1z"/>
+    <path d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  </g>
+  <g id="tab-audio-white-hover" class="icon white hover">
+    <path class="outline" d="M9,2v12l-3.8-3H4c-1.1,0-2-0.9-2-2V7c0-1.1,0.9-2,2-2h1.2L9,2 M11.4,3.2C13.5,3.8,15,5.7,15,8 s-1.5,4.2-3.5,4.7l-0.4-0.9c1.7-0.4,2.9-2,2.9-3.8s-1.2-3.4-3-3.9L11.4,3.2 M10.7,5.1C12,5.4,13,6.6,13,8s-1,2.6-2.2,2.9L10.4,10 C11.3,9.8,12,9,12,8s-0.7-1.8-1.6-2L10.7,5.1 M10,7c0.6,0,1,0.4,1,1s-0.4,1-1,1V7 M10-0.1L8.4,1.2L4.9,4H4C2.3,4,1,5.3,1,7v2 c0,1.7,1.3,3,3,3h0.9l3.5,2.8l1.6,1.3V14v-2.2l0.2,0.4l0.4,0.9l0.3,0.8l0.8-0.2C14.2,13,16,10.7,16,8c0-2.7-1.7-5-4.3-5.8L10.8,2 l-0.4,0.8l-0.4,0.9L10,3.9V2V-0.1L10-0.1z"/>
+    <path d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  </g>
+  <g id="tab-audio-white-pressed" class="icon white pressed">
+    <path class="outline" d="M9,2v12l-3.8-3H4c-1.1,0-2-0.9-2-2V7c0-1.1,0.9-2,2-2h1.2L9,2 M11.4,3.2C13.5,3.8,15,5.7,15,8 s-1.5,4.2-3.5,4.7l-0.4-0.9c1.7-0.4,2.9-2,2.9-3.8s-1.2-3.4-3-3.9L11.4,3.2 M10.7,5.1C12,5.4,13,6.6,13,8s-1,2.6-2.2,2.9L10.4,10 C11.3,9.8,12,9,12,8s-0.7-1.8-1.6-2L10.7,5.1 M10,7c0.6,0,1,0.4,1,1s-0.4,1-1,1V7 M10-0.1L8.4,1.2L4.9,4H4C2.3,4,1,5.3,1,7v2 c0,1.7,1.3,3,3,3h0.9l3.5,2.8l1.6,1.3V14v-2.2l0.2,0.4l0.4,0.9l0.3,0.8l0.8-0.2C14.2,13,16,10.7,16,8c0-2.7-1.7-5-4.3-5.8L10.8,2 l-0.4,0.8l-0.4,0.9L10,3.9V2V-0.1L10-0.1z"/>
+    <path d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+  </g>
+
+  <g id="tab-audio-muted-white" class="icon muted white">
+    <path class="outline" d="M9,2v4.3l3.5-2.9l0.9,1.2l-11,9l-1-1.2l1.9-1.5C2.6,10.6,2,9.9,2,9V7c0-1.1,0.9-2,2-2h1.2L9,2 M9,10v4l-2.5-2L9,10 M10-0.1 L8.4,1.2L4.9,4H4C2.3,4,1,5.3,1,7v2c0,0.7,0.3,1.4,0.7,2l-0.8,0.7l-0.8,0.6l0.6,0.8l1,1.2L2.3,15l0.8-0.6l2.3-1.9l0.4,0.3l2.5,2 l1.6,1.3V14v-4V8.7l4.1-3.4l0.8-0.6l-0.6-0.8l-0.9-1.2L12.7,2l-0.8,0.6L10,4.2V2V-0.1L10-0.1z"/>
+    <path d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  </g>
+  <g id="tab-audio-muted-white-hover" class="icon muted white hover">
+    <path class="outline" d="M9,2v4.3l3.5-2.9l0.9,1.2l-11,9l-1-1.2l1.9-1.5C2.6,10.6,2,9.9,2,9V7c0-1.1,0.9-2,2-2h1.2L9,2 M9,10v4l-2.5-2L9,10 M10-0.1 L8.4,1.2L4.9,4H4C2.3,4,1,5.3,1,7v2c0,0.7,0.3,1.4,0.7,2l-0.8,0.7l-0.8,0.6l0.6,0.8l1,1.2L2.3,15l0.8-0.6l2.3-1.9l0.4,0.3l2.5,2 l1.6,1.3V14v-4V8.7l4.1-3.4l0.8-0.6l-0.6-0.8l-0.9-1.2L12.7,2l-0.8,0.6L10,4.2V2V-0.1L10-0.1z"/>
+    <path d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  </g>
+  <g id="tab-audio-muted-white-pressed" class="icon muted white pressed">
+    <path class="outline" d="M9,2v4.3l3.5-2.9l0.9,1.2l-11,9l-1-1.2l1.9-1.5C2.6,10.6,2,9.9,2,9V7c0-1.1,0.9-2,2-2h1.2L9,2 M9,10v4l-2.5-2L9,10 M10-0.1 L8.4,1.2L4.9,4H4C2.3,4,1,5.3,1,7v2c0,0.7,0.3,1.4,0.7,2l-0.8,0.7l-0.8,0.6l0.6,0.8l1,1.2L2.3,15l0.8-0.6l2.3-1.9l0.4,0.3l2.5,2 l1.6,1.3V14v-4V8.7l4.1-3.4l0.8-0.6l-0.6-0.8l-0.9-1.2L12.7,2l-0.8,0.6L10,4.2V2V-0.1L10-0.1z"/>
+    <path d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+  </g>
+
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/tracking-protection-16.svg b/arc-firefox-theme/chrome/browser/tracking-protection-16.svg
new file mode 100755
index 0000000..ebe6b5f
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/tracking-protection-16.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>

+<!-- This Source Code Form is subject to the terms of the Mozilla Public

+   - License, v. 2.0. If a copy of the MPL was not distributed with this

+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"

+     width="16" height="16" viewBox="0 0 16 16">

+  <defs>

+    <path id="shape-shield-outer" d="M8,1L2.8,1.9C2.4,1.9,2,2.4,2,2.8C2,4,2,6.1,2.1,7.1c0.3,2.7,0.8,4,1.9,5.6C5.6,14.7,8,15,8,15s2.4-0.3,4-2.4 c1.2-1.5,1.7-2.9,1.9-5.6C14,6.1,14,4,14,2.8c0-0.5-0.4-0.9-0.8-1L8,1L8,1z"/>

+    <path id="shape-shield-inner" d="M8,2l5,0.8c0,2,0,3.5-0.1,4.1c-0.3,2.7-0.8,3.8-1.7,5.1c-1.1,1.5-2.7,1.9-3.2,2c-0.4-0.1-2.1-0.5-3.2-2 c-1-1.3-1.5-2.4-1.7-5.1C3,6.3,3,4.8,3,2.8L8,2"/>

+    <path id="shape-shield-detail" d="M8,13c-0.5-0.1-1.6-0.5-2.4-1.5c-0.9-1.2-1.3-2.1-1.5-4.6C4,6.3,4,5.2,4,3.7L8,3 V13z"/>

+

+    <mask id="mask-shield-cutout">

+      <rect width="16" height="16" fill="#000" />

+      <use xlink:href="#shape-shield-outer" fill="#fff" />

+      <use xlink:href="#shape-shield-inner" fill="#000" />

+      <use xlink:href="#shape-shield-detail" fill="#fff" />

+    </mask>

+  </defs>

+

+  <use xlink:href="#shape-shield-outer" mask="url(#mask-shield-cutout)" fill="#808080" />

+</svg>

diff --git a/arc-firefox-theme/chrome/browser/tracking-protection-disabled-16.svg b/arc-firefox-theme/chrome/browser/tracking-protection-disabled-16.svg
new file mode 100755
index 0000000..b0c68d2
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/tracking-protection-disabled-16.svg
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>

+<!-- This Source Code Form is subject to the terms of the Mozilla Public

+   - License, v. 2.0. If a copy of the MPL was not distributed with this

+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"

+     width="16" height="16" viewBox="0 0 16 16">

+  <defs>

+    <path id="shape-shield-outer" d="M8,1L2.8,1.9C2.4,1.9,2,2.4,2,2.8C2,4,2,6.1,2.1,7.1c0.3,2.7,0.8,4,1.9,5.6C5.6,14.7,8,15,8,15s2.4-0.3,4-2.4 c1.2-1.5,1.7-2.9,1.9-5.6C14,6.1,14,4,14,2.8c0-0.5-0.4-0.9-0.8-1L8,1L8,1z"/>

+    <path id="shape-shield-inner" d="M8,2l5,0.8c0,2,0,3.5-0.1,4.1c-0.3,2.7-0.8,3.8-1.7,5.1c-1.1,1.5-2.7,1.9-3.2,2c-0.4-0.1-2.1-0.5-3.2-2 c-1-1.3-1.5-2.4-1.7-5.1C3,6.3,3,4.8,3,2.8L8,2"/>

+    <path id="shape-shield-detail" d="M8,13c-0.5-0.1-1.6-0.5-2.4-1.5c-0.9-1.2-1.3-2.1-1.5-4.6C4,6.3,4,5.2,4,3.7L8,3 V13z"/>

+

+    <mask id="mask-shield-cutout">

+      <rect width="16" height="16" fill="#000" />

+      <use xlink:href="#shape-shield-outer" fill="#fff" />

+      <use xlink:href="#shape-shield-inner" fill="#000" />

+      <use xlink:href="#shape-shield-detail" fill="#fff" />

+      <line x1="3" y1="15" x2="15" y2="3" stroke="#000" stroke-width="2" />

+    </mask>

+  </defs>

+

+  <use xlink:href="#shape-shield-outer" mask="url(#mask-shield-cutout)" fill="#808080" />

+  <line x1="3" y1="14" x2="15" y2="2" stroke="#d92d21" stroke-width="2" />

+</svg>

diff --git a/arc-firefox-theme/chrome/browser/update-badge-failed.svg b/arc-firefox-theme/chrome/browser/update-badge-failed.svg
new file mode 100644
index 0000000..e31e6ec
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/update-badge-failed.svg
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="10px" height="10px">
+  <path d="M5,6C4.2,6,3.5,6.7,3.5,7.5S4.2,9,5,9s1.5-0.7,1.5-1.5S5.8,6,5,6z M5,5L5,5c0.6,0,1-0.4,1-1l0.2-2.8 C6.2,0.5,5.7,0,5,0S3.8,0.5,3.8,1.2L4,4C4,4.6,4.4,5,5,5z" fill="#fff"/>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/urlbar-arrow.png b/arc-firefox-theme/chrome/browser/urlbar-arrow.png
index fcab253..ed83d8a 100644
--- a/arc-firefox-theme/chrome/browser/urlbar-arrow.png
+++ b/arc-firefox-theme/chrome/browser/urlbar-arrow.png
diff --git a/arc-firefox-theme/chrome/browser/warning.svg b/arc-firefox-theme/chrome/browser/warning.svg
new file mode 100644
index 0000000..7befd73
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/warning.svg
@@ -0,0 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public

+   - License, v. 2.0. If a copy of the MPL was not distributed with this

+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">

+  <path fill="#ffbf00" d="M14.8,12.5L9.3,1.9C9,1.3,8.5,1,8,1C7.5,1,7,1.3,6.7,1.9L1.2,12.5c-0.3,0.6-0.3,1.2,0,1.7C1.5,14.7,2,15,2.6,15h10.8 c0.6,0,1.1-0.3,1.4-0.8C15.1,13.7,15.1,13.1,14.8,12.5z"/>

+  <path fill="#fff" d="M8,11c-0.8,0-1.5,0.7-1.5,1.5C6.5,13.3,7.2,14,8,14 c0.8,0,1.5-0.7,1.5-1.5C9.5,11.7,8.8,11,8,11z M8,10L8,10C8.6,10,9,9.6,9,9l0.2-4.2c0-0.7-0.5-1.2-1.2-1.2S6.8,4.1,6.8,4.8L7,9 C7,9.6,7.4,10,8,10z"/>

+</svg>

diff --git a/arc-firefox-theme/chrome/browser/warning16.png b/arc-firefox-theme/chrome/browser/warning16.png
deleted file mode 100644
index 46200ce..0000000
--- a/arc-firefox-theme/chrome/browser/warning16.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/warning16@2x.png b/arc-firefox-theme/chrome/browser/warning16@2x.png
deleted file mode 100644
index d1426d3..0000000
--- a/arc-firefox-theme/chrome/browser/warning16@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/global/arrow/arrow-lft-hov.gif b/arc-firefox-theme/chrome/global/arrow/arrow-lft-hov.gif
new file mode 100644
index 0000000..f209383
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/arrow/arrow-lft-hov.gif
diff --git a/arc-firefox-theme/chrome/global/arrow/arrow-rit-hov.gif b/arc-firefox-theme/chrome/global/arrow/arrow-rit-hov.gif
new file mode 100644
index 0000000..3abf3ad
--- /dev/null
+++ b/arc-firefox-theme/chrome/global/arrow/arrow-rit-hov.gif
diff --git a/arc-firefox-theme/chrome/global/menu.css b/arc-firefox-theme/chrome/global/menu.css
index 61de49d..c2c779b 100644
--- a/arc-firefox-theme/chrome/global/menu.css
+++ b/arc-firefox-theme/chrome/global/menu.css
@@ -80,6 +80,7 @@ menulist > menupopup > menu {
 
 .menu-text,
 .menu-iconic-left,
+.menu-iconic-right,
 .menu-iconic-text {
   margin-top: 0px !important;
   margin-bottom: 0px !important;
@@ -118,7 +119,8 @@ menucaption > .menu-iconic-text {
   -moz-box-pack: end;
 }
 
-.menu-iconic-left {
+.menu-iconic-left,
+.menu-iconic-right {
   width: 16px;
   /* We can only hardcode this, to make the default GTK icon<->label spacing */
   -moz-padding-end: 3px !important;
@@ -158,7 +160,10 @@ menucaption > .menu-iconic-text {
 
 menulist > menupopup > menuitem > .menu-iconic-left,
 menulist > menupopup > menucaption > .menu-iconic-left,
-menulist > menupopup > menu > .menu-iconic-left {
+menulist > menupopup > menu > .menu-iconic-left,
+menulist > menupopup > menuitem > .menu-iconic-right,
+menulist > menupopup > menucaption > .menu-iconic-right,
+menulist > menupopup > menu > .menu-iconic-right {
   display: none;
 }
 
diff --git a/arc-firefox-theme/chrome/global/notification.css b/arc-firefox-theme/chrome/global/notification.css
index 4c5d27e..079f408 100644
--- a/arc-firefox-theme/chrome/global/notification.css
+++ b/arc-firefox-theme/chrome/global/notification.css
@@ -5,14 +5,16 @@
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 
 notification {
-  color: InfoText;
+  color: -moz-gtk-info-bar-text;
   background-color: InfoBackground;
+  -moz-appearance: -moz-gtk-info-bar;
   text-shadow: none;
 }
 
 notification[type="info"] {
   color: -moz-DialogText;
   background-color: -moz-Dialog;
+  -moz-appearance: none;
 }
 
 notification[type="critical"] {
diff --git a/arc-firefox-theme/chrome/global/toolbarbutton.css b/arc-firefox-theme/chrome/global/toolbarbutton.css
index 4a11f72..a62e173 100644
--- a/arc-firefox-theme/chrome/global/toolbarbutton.css
+++ b/arc-firefox-theme/chrome/global/toolbarbutton.css
@@ -106,37 +106,25 @@ toolbarbutton[type="menu-button"][disabled="true"]:hover:active {
 }
 
 /* ::::: toolbarbutton badged ::::: */
+.toolbarbutton-badge-stack > .toolbarbutton-icon[label]:not([label=""]) {
+  -moz-margin-end: 0;
+}
 
 .toolbarbutton-badge {
   background-color: #d90000;
-}
-
-.toolbarbutton-badge::after {
-  /* The |content| property is set in the content stylesheet. */
   font-size: 10px;
-  font-weight: bold;
-  padding: 1px 2px 2px;
+  padding: 0 2px 1px;
   color: #fff;
-  background-color: inherit;
   border-radius: 2px;
   box-shadow: 0 1px 0 hsla(0, 100%, 100%, .2) inset,
               0 -1px 0 hsla(0, 0%, 0%, .1) inset,
               0 1px 0 hsla(206, 50%, 10%, .2);
-  position: absolute;
-  top: -4px;
-  right: -2px;
-  min-width: 10px;
+  margin: -6px 0 0 !important;
+  -moz-margin-end: -8px !important;
+  min-width: 14px;
   line-height: 10px;
   text-align: center;
-}
-
-.toolbarbutton-badge:-moz-locale-dir(rtl)::after {
-  left: -2px;
-  right: auto;
-}
-
-.toolbarbutton-badge-container {
-  position: relative;
+  -moz-stack-sizing: ignore;
 }
 
 /* .......... dropmarker .......... */
diff --git a/arc-firefox-theme/chrome/mozapps/extensions/category-dictionaries.png b/arc-firefox-theme/chrome/mozapps/extensions/category-dictionaries.png
new file mode 100644
index 0000000..a1e0d53
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/extensions/category-dictionaries.png
diff --git a/arc-firefox-theme/chrome/mozapps/extensions/category-experiments.png b/arc-firefox-theme/chrome/mozapps/extensions/category-experiments.png
new file mode 100644
index 0000000..a9d0054
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/extensions/category-experiments.png
diff --git a/arc-firefox-theme/chrome/mozapps/extensions/category-extensions.png b/arc-firefox-theme/chrome/mozapps/extensions/category-extensions.png
new file mode 100644
index 0000000..2ae95a5
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/extensions/category-extensions.png
diff --git a/arc-firefox-theme/chrome/mozapps/extensions/category-languages.png b/arc-firefox-theme/chrome/mozapps/extensions/category-languages.png
new file mode 100644
index 0000000..c721159
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/extensions/category-languages.png
diff --git a/arc-firefox-theme/chrome/mozapps/extensions/category-themes.png b/arc-firefox-theme/chrome/mozapps/extensions/category-themes.png
new file mode 100644
index 0000000..cde1c78
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/extensions/category-themes.png
diff --git a/arc-firefox-theme/chrome/mozapps/extensions/extensions.css b/arc-firefox-theme/chrome/mozapps/extensions/extensions.css
index 30b1ab6..e3e5a63 100644
--- a/arc-firefox-theme/chrome/mozapps/extensions/extensions.css
+++ b/arc-firefox-theme/chrome/mozapps/extensions/extensions.css
@@ -675,14 +675,13 @@
 
 #detail-screenshot-box {
   -moz-margin-end: 2em;
-  padding: 10px;
-  background-color: white;
-  box-shadow: 0 1px 2px #666;
 }
 
 #detail-screenshot {
   max-width: 300px;
   max-height: 300px;
+  background-color: white;
+  box-shadow: 0 1px 2px #666;
 }
 
 #detail-screenshot[loading] {
@@ -1041,6 +1040,11 @@ button.button-link:not([disabled="true"]):active:hover {
   font-style: italic;
 }
 
+#detail-findUpdates-btn[hidden] {
+  display: -moz-box;
+  visibility: hidden;
+}
+
 #header-utils-btn .toolbarbutton-icon {
   list-style-image: url("chrome://mozapps/skin/extensions/utilities.svg#utilities-native");
 }
diff --git a/arc-firefox-theme/chrome/mozapps/passwordmgr/key.png b/arc-firefox-theme/chrome/mozapps/passwordmgr/key.png
index b5e8afe..9472be0 100644
--- a/arc-firefox-theme/chrome/mozapps/passwordmgr/key.png
+++ b/arc-firefox-theme/chrome/mozapps/passwordmgr/key.png
diff --git a/arc-firefox-theme/chrome/mozapps/plugins/notifyPluginCrashed.png b/arc-firefox-theme/chrome/mozapps/plugins/notifyPluginCrashed.png
new file mode 100644
index 0000000..34cabf8
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/plugins/notifyPluginCrashed.png
diff --git a/arc-firefox-theme/chrome/mozapps/plugins/notifyPluginGeneric.png b/arc-firefox-theme/chrome/mozapps/plugins/notifyPluginGeneric.png
new file mode 100644
index 0000000..34cabf8
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/plugins/notifyPluginGeneric.png
diff --git a/arc-firefox-theme/chrome/mozapps/xpinstall/xpinstallItemGeneric.png b/arc-firefox-theme/chrome/mozapps/xpinstall/xpinstallItemGeneric.png
new file mode 100644
index 0000000..2ae95a5
--- /dev/null
+++ b/arc-firefox-theme/chrome/mozapps/xpinstall/xpinstallItemGeneric.png
diff --git a/arc-firefox-theme/chrome/overrides.sh b/arc-firefox-theme/chrome/overrides.sh
new file mode 100755
index 0000000..5bb4160
--- /dev/null
+++ b/arc-firefox-theme/chrome/overrides.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+cp browser/feeds/feedIcon.png browser/feeds/audioFeedIcon.png
+cp browser/feeds/feedIcon16.png browser/feeds/audioFeedIcon16.png
+cp browser/feeds/feedIcon.png browser/feeds/videoFeedIcon.png
+cp browser/feeds/feedIcon16.png browser/feeds/videoFeedIcon16.png
+
+cp global/arrow/arrow-lft.gif global/arrow/arrow-lft-hov.gif
+cp global/arrow/arrow-rit.gif global/arrow/arrow-rit-hov.gif
+
+cp mozapps/extensions/dictionaryGeneric.png mozapps/extensions/category-dictionaries.png
+cp mozapps/extensions/experimentGeneric.png mozapps/extensions/category-experiments.png
+cp mozapps/extensions/extensionGeneric.png mozapps/extensions/category-extensions.png
+cp mozapps/extensions/localeGeneric.png mozapps/extensions/category-languages.png
+cp mozapps/extensions/themeGeneric.png mozapps/extensions/category-themes.png
+cp mozapps/extensions/extensionGeneric.png mozapps/xpinstall/xpinstallItemGeneric.png
+
+cp mozapps/passwordmgr/key-16.png mozapps/passwordmgr/key.png
+
+cp mozapps/plugins/pluginGeneric-16.png mozapps/plugins/notifyPluginCrashed.png
+cp mozapps/plugins/pluginGeneric-16.png mozapps/plugins/notifyPluginGeneric.png
diff --git a/arc-firefox-theme/install.rdf b/arc-firefox-theme/install.rdf
index df5fe24..0e771e0 100644
--- a/arc-firefox-theme/install.rdf
+++ b/arc-firefox-theme/install.rdf
@@ -5,7 +5,7 @@
   
   <Description about="urn:mozilla:install-manifest">
     <em:id>{52c2877e-44e1-11e5-8874-a62d1d5d46B0}</em:id>
-    <em:version>41.20151101</em:version>
+    <em:version>42.20151103</em:version>
     <em:type>4</em:type>
     <em:name>Arc Theme</em:name>
     <em:description>Arc Theme for Firefox</em:description>
@@ -16,7 +16,7 @@
     <em:targetApplication>
       <Description>
         <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
-        <em:minVersion>41.0</em:minVersion>
+        <em:minVersion>42.0</em:minVersion>
         <em:maxVersion>44.0</em:maxVersion>
       </Description>
     </em:targetApplication>
diff --git a/configure.ac b/configure.ac
index ce8b91f..49604bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([arc-firefox-theme], [41.20151101], [https://github.com/horst3180/arc-firefox-theme/issues], [arc-firefox-theme], [https://github.com/horst3180/arc-firefox-theme])
+AC_INIT([arc-firefox-theme], [42.20151103], [https://github.com/horst3180/arc-firefox-theme/issues], [arc-firefox-theme], [https://github.com/horst3180/arc-firefox-theme])
 AM_INIT_AUTOMAKE([-Wno-portability no-dist-gzip dist-xz foreign subdir-objects tar-ustar])
 AC_PREFIX_DEFAULT(/usr/local)
 AM_SILENT_RULES([yes])