update to 45.0b1

47 files changed, 693 insertions, 2187 deletions

diff --git a/arc-firefox-theme/chrome/browser/Toolbar-inverted.png b/arc-firefox-theme/chrome/browser/Toolbar-inverted.png
index e2ee578..99d7481 100644
--- a/arc-firefox-theme/chrome/browser/Toolbar-inverted.png
+++ b/arc-firefox-theme/chrome/browser/Toolbar-inverted.png
diff --git a/arc-firefox-theme/chrome/browser/Toolbar.png b/arc-firefox-theme/chrome/browser/Toolbar.png
index d05345d..b8151d1 100644
--- a/arc-firefox-theme/chrome/browser/Toolbar.png
+++ b/arc-firefox-theme/chrome/browser/Toolbar.png
diff --git a/arc-firefox-theme/chrome/browser/aboutCertError.css b/arc-firefox-theme/chrome/browser/aboutCertError.css
index e406eec..636f878 100644
--- a/arc-firefox-theme/chrome/browser/aboutCertError.css
+++ b/arc-firefox-theme/chrome/browser/aboutCertError.css
@@ -53,11 +53,25 @@ body {
   flex: 1;
 }
 
-/* Pressing the retry button will cause the cursor to flicker from a pointer to
- * not-allowed. Override the disabled cursor behaviour since we will never show
- * the button disabled as the initial state. Remove this in Bug 1219861. */
-button:disabled {
-  cursor: pointer;
+#certificateErrorDebugInformation {
+  display: none;
+  background-color: var(--in-content-box-background-hover) !important;
+  border-top: 1px solid var(--in-content-border-color);
+  position: absolute;
+  left: 0%;
+  top: 100%;
+  width: 65%;
+  padding: 1em 17.5%;
+}
+
+#certificateErrorText {
+  font-family: monospace;
+  white-space: pre-wrap;
+  padding: 1em 0;
+}
+
+#errorCode {
+  white-space: nowrap;
 }
 
 #returnButton {
diff --git a/arc-firefox-theme/chrome/browser/aboutCertError_sectionCollapsed-rtl.png b/arc-firefox-theme/chrome/browser/aboutCertError_sectionCollapsed-rtl.png
deleted file mode 100644
index 84ba18c..0000000
--- a/arc-firefox-theme/chrome/browser/aboutCertError_sectionCollapsed-rtl.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/aboutCertError_sectionCollapsed.png b/arc-firefox-theme/chrome/browser/aboutCertError_sectionCollapsed.png
deleted file mode 100644
index c9805f6..0000000
--- a/arc-firefox-theme/chrome/browser/aboutCertError_sectionCollapsed.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/aboutCertError_sectionExpanded.png b/arc-firefox-theme/chrome/browser/aboutCertError_sectionExpanded.png
deleted file mode 100644
index 128cef9..0000000
--- a/arc-firefox-theme/chrome/browser/aboutCertError_sectionExpanded.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/aboutNetError.css b/arc-firefox-theme/chrome/browser/aboutNetError.css
index 7a4eca3..872841e 100644
--- a/arc-firefox-theme/chrome/browser/aboutNetError.css
+++ b/arc-firefox-theme/chrome/browser/aboutNetError.css
@@ -34,7 +34,7 @@ ul {
 }
 
 #errorTitle {
-  background: url("aboutNetError_info.svg") left 0 no-repeat;
+  background: url("chrome://global/skin/icons/info.svg") left 0 no-repeat;
   background-size: 3em;
   -moz-margin-start: -5em;
   -moz-padding-start: 5em;
@@ -51,7 +51,7 @@ ul {
 
 #errorTitle[sslv3=true],
 #errorTitle[weakCrypto=true] {
-  background-image: url("aboutNetError_alert.svg");
+  background-image: url("cert-error.svg");
 }
 
 #errorTryAgain {
@@ -79,7 +79,46 @@ button:disabled {
   cursor: pointer;
 }
 
-div#certificateErrorReporting,
+#learnMoreContainer {
+  display: none;
+}
+
+#buttonContainer {
+  display: none;
+  flex-flow: row wrap;
+}
+
+#buttonSpacer {
+  flex: 1;
+}
+
+#returnButton {
+  background-color: var(--in-content-primary-button-background);
+  border: none;
+  color: var(--in-content-selected-text);
+  min-width: 250px;
+  margin-inline-start: 0;
+}
+
+#returnButton:hover {
+  background-color: var(--in-content-primary-button-background-hover) !important;
+}
+
+#returnButton:hover:active {
+  background-color: var(--in-content-primary-button-background-active) !important;
+}
+
+#advancedButton {
+  display: none;
+  min-width: 150px;
+}
+
+#certificateErrorReporting,
+#reportCertificateError,
+#reportSentMessage {
+  display: none;
+}
+
 div#weakCryptoAdvanced {
   display: none;
   float: right;
@@ -88,12 +127,10 @@ div#weakCryptoAdvanced {
   -moz-margin-end: 24px;
 }
 
-div#certificateErrorReporting a,
 div#weakCryptoAdvanced a {
   text-decoration: none;
 }
 
-div#certificateErrorReporting a:hover,
 div#weakCryptoAdvanced a:hover {
   text-decoration: underline;
 }
@@ -106,7 +143,6 @@ span.downArrow {
   transform: scaleY(0.7);
 }
 
-div#certificateErrorReportingPanel,
 div#weakCryptoAdvancedPanel {
   /* Hidden until the link is clicked */
   display: none;
@@ -118,28 +154,16 @@ div#weakCryptoAdvancedPanel {
   box-shadow: 0 0 4px #ddd;
   font-size: 0.9em;
   position: absolute;
-  width: 75%;
-  margin-top: 10px;
-}
-
-div#certificateErrorReportingPanel:-moz-dir(ltr),
-div#weakCryptoAdvancedPanel:-moz-dir(ltr) {
-  left: 34%;
 }
 
-div#certificateErrorReportingPanel:-moz-dir(rtl),
-div#weakCryptoAdvancedPanel:-moz-dir(rtl) {
-  right: 0;
-}
-
-#errorStatePanel,
 #overrideWeakCryptoPanel {
-  display: flex;
+  display: none;
   flex-direction: row;
   flex-wrap: wrap;
   justify-content: space-between;
   align-content: space-between;
   align-items: flex-start;
+  margin-top: 1em;
 }
 
 span#hostname {
@@ -149,3 +173,9 @@ span#hostname {
 #automaticallyReportInFuture {
   cursor: pointer;
 }
+
+#errorCode {
+  color: var(--in-content-page-color);
+  cursor: text;
+  text-decoration: none;
+}
diff --git a/arc-firefox-theme/chrome/browser/aboutNetError_alert.svg b/arc-firefox-theme/chrome/browser/aboutNetError_alert.svg
deleted file mode 100644
index b19c1c7..0000000
--- a/arc-firefox-theme/chrome/browser/aboutNetError_alert.svg
+++ /dev/null
@@ -1,18 +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 40 40">
-  <defs>
-    <linearGradient id="gradient1" gradientUnits="userSpaceOnUse" x1="20" y1="4" x2="20" y2="36">
-      <stop offset="0" style="stop-color: #e63b2e"/>
-      <stop offset="1" style="stop-color: #c33931"/>
-    </linearGradient>
-    <linearGradient id="gradient2" gradientUnits="userSpaceOnUse" x1="20" y1="0" x2="20" y2="40">
-      <stop offset="0" style="stop-color: #e63b2e"/>
-      <stop offset="1" style="stop-color: #c33931"/>
-    </linearGradient>
-  </defs>
-  <path fill="url(#gradient1)" d="M13.373,4L4,13.372v13.256L13.373,36h13.255L36,26.628V13.372L26.627,4H13.373z M22.176,8.704 l-0.48,14.304h-3.424L17.76,8.704H22.176z M20,31.296c-1.44,0-2.592-1.184-2.592-2.592c0-1.44,1.152-2.592,2.592-2.592 c1.472,0,2.592,1.152,2.592,2.592C22.592,30.112,21.472,31.296,20,31.296z"/>
-  <path fill="url(#gradient2)" d="M28.284,0H11.716L0,11.716v16.569L11.716,40h16.569L40,28.284V11.716L28.284,0z M38,27.456 L27.456,38H12.544L2,27.456V12.544L12.544,2h14.911L38,12.544V27.456z"/>
-</svg>
diff --git a/arc-firefox-theme/chrome/browser/aboutNetError_info.svg b/arc-firefox-theme/chrome/browser/aboutNetError_info.svg
deleted file mode 100644
index 2fc0607..0000000
--- a/arc-firefox-theme/chrome/browser/aboutNetError_info.svg
+++ /dev/null
@@ -1,8 +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/. -->
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="#424e5a">
-  <circle cx="50" cy="50" r="44" stroke="#424e5a" stroke-width="11" fill="none"/>
-  <circle cx="50" cy="24.6" r="6.4"/>
-  <rect x="45" y="39.9" width="10.1" height="41.8"/>
-</svg>
diff --git a/arc-firefox-theme/chrome/browser/aboutProviderDirectory.css b/arc-firefox-theme/chrome/browser/aboutProviderDirectory.css
index ba1a542..737f484 100644
--- a/arc-firefox-theme/chrome/browser/aboutProviderDirectory.css
+++ b/arc-firefox-theme/chrome/browser/aboutProviderDirectory.css
@@ -5,7 +5,7 @@
 }
 
 #errorTitle {
-  background: url("aboutNetError_info.svg") left 0 no-repeat;
+  background: url("chrome://global/skin/icons/info.svg") left 0 no-repeat;
   background-size: 2em;
   -moz-padding-start: 3em;
 }
diff --git a/arc-firefox-theme/chrome/browser/aboutSocialError.css b/arc-firefox-theme/chrome/browser/aboutSocialError.css
index cb4a890..fffc18d 100644
--- a/arc-firefox-theme/chrome/browser/aboutSocialError.css
+++ b/arc-firefox-theme/chrome/browser/aboutSocialError.css
@@ -5,7 +5,7 @@
 }
 
 #errorTitle {
-  background: url("aboutNetError_info.svg") left 0 no-repeat;
+  background: url("chrome://global/skin/icons/info.svg") left 0 no-repeat;
   background-size: 2em;
   -moz-padding-start: 3em;
 }
diff --git a/arc-firefox-theme/chrome/browser/browser.css b/arc-firefox-theme/chrome/browser/browser.css
index e7c3a52..dabd4cb 100644
--- a/arc-firefox-theme/chrome/browser/browser.css
+++ b/arc-firefox-theme/chrome/browser/browser.css
@@ -482,8 +482,8 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 :-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1 > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon {
   max-width: 16px; }
 
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > .toolbarbutton-icon,
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
 #bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   max-width: 18px; }
 
@@ -508,9 +508,9 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-property: background-color, border-color;
   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, #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, #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, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-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, #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, #webide-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, #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, #webide-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, #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, #webide-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon,
@@ -621,23 +621,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   margin-left: 2px;
   margin-right: 2px; }
 
-/* tabview menu item */
-#menu_tabview {
-  list-style-image: url(chrome://browser/skin/tabview/tabview.png);
-  -moz-image-region: rect(0, 80px, 16px, 64px); }
-
-#menu_tabview[groups="0"] {
-  -moz-image-region: rect(0, 16px, 16px, 0); }
-
-#menu_tabview[groups="1"] {
-  -moz-image-region: rect(0, 32px, 16px, 16px); }
-
-#menu_tabview[groups="2"] {
-  -moz-image-region: rect(0, 48px, 16px, 32px); }
-
-#menu_tabview[groups="3"] {
-  -moz-image-region: rect(0, 64px, 16px, 48px); }
-
 /* undo close tab menu item */
 #alltabs_undoCloseTab {
   list-style-image: url(chrome://browser/skin/undoCloseTab.png); }
@@ -655,14 +638,14 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu") !important; }
 
 /* Menu panel buttons */
-:-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, #webide-button, #loop-button, #pocket-button),
+:-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, #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, #webide-button, #pocket-button),
 #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   list-style-image: url("chrome://browser/skin/custom_images/light/toolbar-icons.svg"); }
-  #TabsToolbar :-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, #webide-button, #loop-button, #pocket-button), #TabsToolbar
+  #TabsToolbar :-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, #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, #webide-button, #pocket-button), #TabsToolbar
   #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
     list-style-image: url("chrome://browser/skin/custom_images/light/tabbar-icons.svg"); }
 
-#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
   list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-active.svg"); }
 
 #nav-bar #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .dropmarker-icon,
@@ -705,14 +688,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   -moz-image-region: rect(0, 252px, 18px, 234px); }
 
 #sync-button[cui-areatype="toolbar"] {
-  -moz-image-region: rect(0, 270px, 18px, 252px); }
-
-#sync-button[cui-areatype="toolbar"][status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar.png");
-  -moz-image-region: rect(0, 18px, 18px, 0px); }
-
-toolbar[brighttext] #sync-button[status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar-inverted.png"); }
+  -moz-image-region: rect(0, 792px, 18px, 774px); }
 
 #feed-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 288px, 18px, 270px); }
@@ -756,13 +732,6 @@ 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); }
 
@@ -784,9 +753,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #nav-bar-overflow-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#tabview-button {
-  -moz-image-region: rect(0, 648px, 18px, 630px); }
-
 #email-link-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 666px, 18px, 648px); }
 
@@ -802,35 +768,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #panic-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#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 {
-    list-style-image: url("chrome://browser/skin/custom_images/light/loop-tabbar-icons.svg"); }
-
-#nav-bar #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"],
-#loop-button[disabled="true"] {
-  -moz-image-region: rect(0, 36px, 18px, 18px); }
-
-#loop-button:not([disabled="true"])[state="error"] {
-  -moz-image-region: rect(0, 54px, 18px, 36px); }
-
-#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]) {
-  -moz-image-region: rect(0, 90px, 18px, 72px); }
-
-#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]) {
-  -moz-image-region: rect(0, 126px, 18px, 108px); }
-
 #webide-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 738px, 18px, 720px); }
 
@@ -849,8 +786,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
 @media not all and (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -889,11 +826,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 384px, 32px, 352px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel.png);
-    -moz-image-region: rect(0px, 32px, 32px, 0px); }
+    -moz-image-region: rect(0px, 1024px, 32px, 992px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -929,10 +862,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 576px, 32px, 544px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 608px, 32px, 576px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 640px, 32px, 608px); }
@@ -988,34 +917,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #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 {
-    -moz-image-region: rect(0, 32px, 32px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 96px, 32px, 64px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 160px, 32px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 224px, 32px, 192px); }
-
   /* Wide panel control icons */
   #edit-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
   #zoom-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
@@ -1049,8 +950,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 /* Menu panel and palette styles */
 @media (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image-2x); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -1089,11 +990,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 768px, 64px, 704px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel@2x.png);
-    -moz-image-region: rect(0px, 64px, 64px, 0px); }
+    -moz-image-region: rect(0px, 2048px, 64px, 1984px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -1132,34 +1029,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #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 {
-    -moz-image-region: rect(0, 64px, 64px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 192px, 64px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 320px, 64px, 256px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 448px, 64px, 384px); }
-
   #new-tab-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #new-tab-button {
     -moz-image-region: rect(0px, 1088px, 64px, 1024px); }
@@ -1168,10 +1037,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 1152px, 64px, 1088px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 1216px, 64px, 1152px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 1280px, 64px, 1216px); }
@@ -1335,6 +1200,12 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #urlbar-icons {
   -moz-box-align: center; }
 
+.urlbar-icon {
+  padding: 0 1px;
+  /* 16x16 icon with border-box sizing */
+  width: 16px;
+  height: 16px; }
+
 #urlbar-search-footer {
   border-top: 1px solid rgba(24, 26, 27, 0.14);
   background-color: rgba(24, 26, 27, 0.07); }
@@ -1462,12 +1333,35 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
   border-radius: 0; }
 
+/* MAIN IDENTITY ICON */
+#identity-icon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#normal); }
+
+#identity-box:hover > #identity-icon,
+#identity-box[open=true] > #identity-icon {
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#hover); }
+
+#urlbar[pageproxystate="valid"] > #identity-box.chromeUI > #identity-icon {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
+
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icon {
+  opacity: 0.3; }
+
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icon {
+  -moz-image-region: inherit;
+  list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
+  width: 16px;
+  height: 16px;
+  opacity: 1; }
+
 /* TRACKING PROTECTION ICON */
 #tracking-protection-icon {
   width: 16px;
   height: 16px;
-  margin-inline-start: 0;
-  margin-inline-end: 2px;
+  margin-inline-start: 2px;
+  margin-inline-end: 0;
   list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
   opacity: 1; }
 
@@ -1478,49 +1372,41 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
 #tracking-protection-icon:not([state]) {
-  margin-inline-start: -18px;
+  margin-inline-end: -18px;
   pointer-events: none;
   opacity: 0;
   /* Only animate the shield in, when it disappears hide it immediately. */
   transition: none; }
 
-#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+#urlbar[pageproxystate="invalid"] > #identity-box > #tracking-protection-icon {
   visibility: collapse; }
 
-/* MAIN IDENTITY ICON */
-#page-proxy-favicon {
+/* CONNECTION ICON */
+#connection-icon {
   width: 16px;
   height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
-
-.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
-
-.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); }
-
-.insecureLoginForms > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
+  margin-inline-start: 2px;
+  visibility: collapse; }
 
-.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); }
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedDomain > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg);
+  visibility: visible; }
 
-.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
+#urlbar[pageproxystate="valid"] > #identity-box.insecureLoginForms > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveContent > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
+  visibility: visible; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#urlbar[pageproxystate="valid"] > #identity-box.weakCipher > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContent > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContentLoadedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
+  visibility: visible; }
 
-#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; }
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg);
+  visibility: visible; }
 
 .popup-notification-icon {
   width: 64px;
@@ -1944,13 +1830,6 @@ notification[value="translation"] button:not([type="menu"]) > .button-box {
 notification[value="translation"] menulist > .menulist-dropmarker {
   display: block; }
 
-/* Loop/ Hello browser styles */
-notification[value="loop-sharing-notification"] .button-menubutton-button {
-  min-width: 0; }
-
-notification[value="loop-sharing-notification"] .messageImage {
-  list-style-image: url(chrome://browser/skin/webRTC-shareScreen-16.png); }
-
 #treecolAutoCompleteImage {
   max-width: 36px; }
 
@@ -1991,7 +1870,7 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   color: -moz-nativehyperlinktext;
   font-size: 0.9em; }
 
-richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-icon {
+richlistitem[type~="action"][actiontype$="tab"] > .ac-url-box > .ac-action-icon {
   list-style-image: url("chrome://browser/skin/actionicon-tab.png");
   padding: 0 3px; }
 
@@ -2561,8 +2440,8 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
    See browser-lightweightTheme.css for information about run-time changes to LWT styles. */
 .tab-background-middle[visuallyselected=true]:-moz-lwtheme {
   background-color: transparent;
-  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3));
-                                                                                                                                                                                /*,
+  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4));
+                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
   background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
@@ -2570,7 +2449,7 @@ lwtHeader;*/
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before {
-  background-image: linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3)); }
+  background-image: linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4)); }
 
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before,
@@ -3232,7 +3111,7 @@ html|*#fullscreen-exit-button {
 
 :root[devtoolstheme="light"] #developer-toolbar > toolbarbutton:not([checked=true]) > image,
 :root[devtoolstheme="light"] .gclitoolbar-input-node:not([focused=true])::before {
-  filter: url("chrome://devtools/skin/images/filters.svg#invert"); }
+  filter: invert(1); }
 
 .developer-toolbar-button > .toolbarbutton-icon,
 #developer-toolbar-closebutton > .toolbarbutton-icon {
@@ -3786,36 +3665,11 @@ toolbar[brighttext] #downloads-indicator-counter {
 chatbar > chatbox > .chat-titlebar > .chat-swap-button {
   transform: none; }
 
-chatbox[src^="about:loopconversation#"] .chat-minimize-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#minimize-white"); }
-
-chatbox[src^="about:loopconversation#"] .chat-swap-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#expand-white"); }
-
-.chat-loop-hangup {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#exit-white");
-  background-color: #d13f1a;
-  border: 1px solid #d13f1a;
-  border-top-right-radius: 4px;
-  width: 32px;
-  height: 26px;
-  margin-top: -6px;
-  margin-bottom: -5px;
-  -moz-margin-start: 6px;
-  -moz-margin-end: -5px; }
-
-.chat-toolbarbutton.chat-loop-hangup:-moz-any(:hover, :hover:active) {
-  background-color: #ef6745;
-  border-color: #ef6745; }
-
 .chat-title {
   color: #666;
   text-shadow: none;
   cursor: inherit; }
 
-chatbox[src^="about:loopconversation#"] .chat-title {
-  color: white; }
-
 .chat-titlebar {
   height: 26px;
   min-height: 26px;
@@ -3832,10 +3686,6 @@ chatbox[src^="about:loopconversation#"] .chat-title {
 .chat-titlebar[selected] {
   background-color: #f0f0f0; }
 
-chatbox[src^="about:loopconversation#"] > .chat-titlebar {
-  background-color: #00a9dc;
-  border-color: #00a9dc; }
-
 .chat-titlebar > .notification-anchor-icon {
   margin-left: 2px;
   margin-right: 2px; }
diff --git a/arc-firefox-theme/chrome/browser/cert-error.svg b/arc-firefox-theme/chrome/browser/cert-error.svg
index 4bf5077..9d23267 100644
--- a/arc-firefox-theme/chrome/browser/cert-error.svg
+++ b/arc-firefox-theme/chrome/browser/cert-error.svg
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 
 <svg version="1.1"
      xmlns="http://www.w3.org/2000/svg"
diff --git a/arc-firefox-theme/chrome/browser/custom_images/dark/tabbar-icons.svg b/arc-firefox-theme/chrome/browser/custom_images/dark/tabbar-icons.svg
index dffaa8f..e00d95b 100644
--- a/arc-firefox-theme/chrome/browser/custom_images/dark/tabbar-icons.svg
+++ b/arc-firefox-theme/chrome/browser/custom_images/dark/tabbar-icons.svg
@@ -12,9 +12,9 @@
    id="svg2"
    version="1.1"
    inkscape:version="0.91 r13725"
-   width="774"
+   width="792"
    height="36"
-   viewBox="0 0 774 36"
+   viewBox="0 0 792 36"
    sodipodi:docname="tabbar-icons.svg">
   <metadata
      id="metadata8">
@@ -24,7 +24,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -55,8 +55,8 @@
      showguides="false"
      inkscape:guide-bbox="true"
      inkscape:zoom="16"
-     inkscape:cx="9.4650557"
-     inkscape:cy="28.375735"
+     inkscape:cx="781.75853"
+     inkscape:cy="18.070693"
      inkscape:current-layer="layer2"
      inkscape:object-paths="true"
      inkscape:snap-intersection-paths="true"
@@ -1457,12 +1457,17 @@
          inkscape:connector-curvature="0"
          id="path5066"
          d="m 6,6 6,6"
-         style="fill:#afb8c5;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#afb8c5;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
       <path
          inkscape:connector-curvature="0"
          id="path5068"
          d="M 12,6 6,12"
-         style="fill:#afb8c5;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#afb8c5;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
     </g>
+    <path
+       inkscape:connector-curvature="0"
+       style="display:inline;opacity:1;fill:#afb8c5;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.26666667"
+       d="m 779,3 c -0.554,0 -1,0.446 -1,1 l 0,7 -1,0 c -0.554,0 -1,0.446 -1,1 l 0,2 c 0,0.554 0.446,1 1,1 l 12,0 c 0.554,0 1,-0.446 1,-1 l 0,-2 c 0,-0.554 -0.446,-1 -1,-1 l -1,0 0,-7 c 0,-0.554 -0.446,-1 -1,-1 l -8,0 z"
+       id="rect4403" />
   </g>
 </svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/dark/toolbar-icons.svg b/arc-firefox-theme/chrome/browser/custom_images/dark/toolbar-icons.svg
index d794bdf..4a90b76 100644
--- a/arc-firefox-theme/chrome/browser/custom_images/dark/toolbar-icons.svg
+++ b/arc-firefox-theme/chrome/browser/custom_images/dark/toolbar-icons.svg
@@ -12,9 +12,9 @@
    id="svg2"
    version="1.1"
    inkscape:version="0.91 r13725"
-   width="774"
+   width="792"
    height="36"
-   viewBox="0 0 774 36"
+   viewBox="0 0 792 36"
    sodipodi:docname="toolbar-icons.svg">
   <metadata
      id="metadata8">
@@ -24,7 +24,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -54,9 +54,9 @@
      inkscape:snap-bbox-edge-midpoints="true"
      showguides="false"
      inkscape:guide-bbox="true"
-     inkscape:zoom="2"
-     inkscape:cx="655.4002"
-     inkscape:cy="-12.158216"
+     inkscape:zoom="22.627417"
+     inkscape:cx="781.96918"
+     inkscape:cy="24.96189"
      inkscape:current-layer="layer2"
      inkscape:object-paths="true"
      inkscape:snap-intersection-paths="true"
@@ -1019,8 +1019,9 @@
        style="fill:#d3dae3;fill-opacity:1">
       <path
          style="opacity:1;fill:#d3dae3;fill-opacity:1;stroke:none;stroke-width:0.69999999;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
-         d="M 238 3 L 238 3.9003906 L 238 14.099609 L 238 15 L 248 15 L 248 14.099609 L 248 7 L 244 3 L 238 3 z M 244 4.4140625 L 246.58594 7 L 244 7 L 244 6.0996094 L 244 4.4140625 z "
-         id="rect4365" />
+         d="m 238,3 0,0.9003906 0,10.1992184 L 238,15 248,15 248,14.099609 248,7 244,3 238,3 Z M 244,4.4140625 246.58594,7 244,7 l 0,-0.9003906 0,-1.6855469 z"
+         id="rect4365"
+         inkscape:connector-curvature="0" />
     </g>
     <g
        id="g4396"
@@ -1449,12 +1450,17 @@
          inkscape:connector-curvature="0"
          id="path5066"
          d="m 6,6 6,6"
-         style="fill:#d3dae3;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#d3dae3;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
       <path
          inkscape:connector-curvature="0"
          id="path5068"
          d="M 12,6 6,12"
-         style="fill:#d3dae3;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#d3dae3;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
     </g>
+    <path
+       inkscape:connector-curvature="0"
+       style="display:inline;opacity:1;fill:#d3dae3;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.26666667"
+       d="m 779,3 c -0.554,0 -1,0.446 -1,1 l 0,7 -1,0 c -0.554,0 -1,0.446 -1,1 l 0,2 c 0,0.554 0.446,1 1,1 l 12,0 c 0.554,0 1,-0.446 1,-1 l 0,-2 c 0,-0.554 -0.446,-1 -1,-1 l -1,0 0,-7 c 0,-0.554 -0.446,-1 -1,-1 l -8,0 z"
+       id="rect4403" />
   </g>
 </svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/light/tabbar-icons.svg b/arc-firefox-theme/chrome/browser/custom_images/light/tabbar-icons.svg
index 548d974..b206c94 100644
--- a/arc-firefox-theme/chrome/browser/custom_images/light/tabbar-icons.svg
+++ b/arc-firefox-theme/chrome/browser/custom_images/light/tabbar-icons.svg
@@ -12,9 +12,9 @@
    id="svg2"
    version="1.1"
    inkscape:version="0.91 r13725"
-   width="774"
+   width="792"
    height="36"
-   viewBox="0 0 774 36"
+   viewBox="0 0 792 36"
    sodipodi:docname="tabbar-icons.svg">
   <metadata
      id="metadata8">
@@ -24,7 +24,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -54,9 +54,9 @@
      inkscape:snap-bbox-edge-midpoints="true"
      showguides="false"
      inkscape:guide-bbox="true"
-     inkscape:zoom="11.313708"
-     inkscape:cx="23.557359"
-     inkscape:cy="23.773956"
+     inkscape:zoom="15.999999"
+     inkscape:cx="778.45947"
+     inkscape:cy="25.866874"
      inkscape:current-layer="layer2"
      inkscape:object-paths="true"
      inkscape:snap-intersection-paths="true"
@@ -1457,12 +1457,17 @@
          inkscape:connector-curvature="0"
          id="path5066"
          d="m 6,6 6,6"
-         style="fill:#70788d;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#70788d;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
       <path
          inkscape:connector-curvature="0"
          id="path5068"
          d="M 12,6 6,12"
-         style="fill:#70788d;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#70788d;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
     </g>
+    <path
+       inkscape:connector-curvature="0"
+       style="display:inline;opacity:1;fill:#70788d;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.26666667"
+       d="m 779,3 c -0.554,0 -1,0.446 -1,1 l 0,7 -1,0 c -0.554,0 -1,0.446 -1,1 l 0,2 c 0,0.554 0.446,1 1,1 l 12,0 c 0.554,0 1,-0.446 1,-1 l 0,-2 c 0,-0.554 -0.446,-1 -1,-1 l -1,0 0,-7 c 0,-0.554 -0.446,-1 -1,-1 l -8,0 z"
+       id="rect4403" />
   </g>
 </svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/light/toolbar-icons.svg b/arc-firefox-theme/chrome/browser/custom_images/light/toolbar-icons.svg
index f4f8390..74d2f6b 100644
--- a/arc-firefox-theme/chrome/browser/custom_images/light/toolbar-icons.svg
+++ b/arc-firefox-theme/chrome/browser/custom_images/light/toolbar-icons.svg
@@ -12,9 +12,9 @@
    id="svg2"
    version="1.1"
    inkscape:version="0.91 r13725"
-   width="774"
+   width="792"
    height="36"
-   viewBox="0 0 774 36"
+   viewBox="0 0 792 36"
    sodipodi:docname="toolbar-icons.svg">
   <metadata
      id="metadata8">
@@ -54,9 +54,9 @@
      inkscape:snap-bbox-edge-midpoints="true"
      showguides="false"
      inkscape:guide-bbox="true"
-     inkscape:zoom="1"
-     inkscape:cx="274.95973"
-     inkscape:cy="-1.0049715"
+     inkscape:zoom="11.313708"
+     inkscape:cx="770.98611"
+     inkscape:cy="24.666931"
      inkscape:current-layer="layer2"
      inkscape:object-paths="true"
      inkscape:snap-intersection-paths="true"
@@ -1428,5 +1428,10 @@
          d="M 12,6 6,12"
          style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
     </g>
+    <path
+       inkscape:connector-curvature="0"
+       style="display:inline;opacity:1;fill:#5c616c;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.26666667"
+       d="m 779,3 c -0.554,0 -1,0.446 -1,1 l 0,7 -1,0 c -0.554,0 -1,0.446 -1,1 l 0,2 c 0,0.554 0.446,1 1,1 l 12,0 c 0.554,0 1,-0.446 1,-1 l 0,-2 c 0,-0.554 -0.446,-1 -1,-1 l -1,0 0,-7 c 0,-0.554 -0.446,-1 -1,-1 l -8,0 z"
+       id="rect4403" />
   </g>
 </svg>
diff --git a/arc-firefox-theme/chrome/browser/custom_images/toolbar-icons-active.svg b/arc-firefox-theme/chrome/browser/custom_images/toolbar-icons-active.svg
index 33e1bc5..d7c0520 100644
--- a/arc-firefox-theme/chrome/browser/custom_images/toolbar-icons-active.svg
+++ b/arc-firefox-theme/chrome/browser/custom_images/toolbar-icons-active.svg
@@ -12,9 +12,9 @@
    id="svg2"
    version="1.1"
    inkscape:version="0.91 r13725"
-   width="774"
+   width="792"
    height="36"
-   viewBox="0 0 774 36"
+   viewBox="0 0 792 36"
    sodipodi:docname="toolbar-icons-active.svg">
   <metadata
      id="metadata8">
@@ -54,9 +54,9 @@
      inkscape:snap-bbox-edge-midpoints="true"
      showguides="false"
      inkscape:guide-bbox="true"
-     inkscape:zoom="1.4142136"
-     inkscape:cx="-138.40712"
-     inkscape:cy="-21.707986"
+     inkscape:zoom="22.627417"
+     inkscape:cx="778.29154"
+     inkscape:cy="30.486221"
      inkscape:current-layer="layer2"
      inkscape:object-paths="true"
      inkscape:snap-intersection-paths="true"
@@ -1019,8 +1019,9 @@
        style="fill:#ffffff;fill-opacity:1">
       <path
          style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.69999999;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
-         d="M 238 3 L 238 3.9003906 L 238 14.099609 L 238 15 L 248 15 L 248 14.099609 L 248 7 L 244 3 L 238 3 z M 244 4.4140625 L 246.58594 7 L 244 7 L 244 6.0996094 L 244 4.4140625 z "
-         id="rect4365" />
+         d="m 238,3 0,0.9003906 0,10.1992184 L 238,15 248,15 248,14.099609 248,7 244,3 238,3 Z M 244,4.4140625 246.58594,7 244,7 l 0,-0.9003906 0,-1.6855469 z"
+         id="rect4365"
+         inkscape:connector-curvature="0" />
     </g>
     <g
        id="g4396"
@@ -1449,12 +1450,16 @@
          inkscape:connector-curvature="0"
          id="path5066"
          d="m 6,6 6,6"
-         style="fill:#ffffff;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
       <path
          inkscape:connector-curvature="0"
          id="path5068"
          d="M 12,6 6,12"
-         style="fill:#ffffff;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;fill-opacity:1" />
+         style="fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
     </g>
+    <path
+       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:0.26666667"
+       d="M 779 3 C 778.446 3 778 3.446 778 4 L 778 11 L 777 11 C 776.446 11 776 11.446 776 12 L 776 14 C 776 14.554 776.446 15 777 15 L 789 15 C 789.554 15 790 14.554 790 14 L 790 12 C 790 11.446 789.554 11 789 11 L 788 11 L 788 4 C 788 3.446 787.554 3 787 3 L 779 3 z "
+       id="rect4403" />
   </g>
 </svg>
diff --git a/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css b/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css
index 4095e76..330a0f9 100644
--- a/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css
+++ b/arc-firefox-theme/chrome/browser/customizableui/panelUIOverlay.css
@@ -664,7 +664,86 @@ toolbarpaletteitem[place="palette"] > toolbaritem > toolbarbutton {
   list-style-image: url(chrome://browser/skin/sync-horizontalbar.png);
 }
 
-#PanelUI-footer-fxa[syncstatus="active"] > #PanelUI-fxa-icon {
+.PanelUI-remotetabs-instruction-label,
+#PanelUI-remotetabs-mobile-promo {
+  margin: 15px;
+  text-align: center;
+  text-shadow: none;
+  max-width: 15em;
+  color: GrayText;
+}
+
+/* The boxes with "instructions" get extra padding for space around the
+   illustration and buttons */
+.PanelUI-remotetabs-instruction-box {
+  padding: 30px 15px 15px 15px;
+}
+
+.PanelUI-remotetabs-prefs-button {
+  -moz-appearance: none;
+  background-color: #0096dd;
+  color: white;
+  border-radius: 2px;
+  margin-top: 10px;
+  margin-bottom: 10px;
+  padding: 8px;
+  text-shadow: none;
+  min-width: 200px;
+}
+
+.PanelUI-remotetabs-prefs-button:hover,
+.PanelUI-remotetabs-prefs-button:hover:active {
+  background-color: #018acb;
+}
+
+.remotetabs-promo-link {
+  margin: 0;
+}
+
+.PanelUI-remotetabs-notabsforclient-label {
+  color: GrayText;
+  /* This margin is to line this label up with the labels in toolbarbuttons. */
+  margin-left: 28px;
+}
+
+.fxaSyncIllustration {
+  width: 180px;
+  list-style-image: url(chrome://browser/skin/fxa/sync-illustration.svg);
+}
+
+.PanelUI-remotetabs-prefs-button > .toolbarbutton-text {
+  /* !important to override ".cui-widget-panel toolbarbutton > .toolbarbutton-text" above. */
+  text-align: center !important;
+  text-shadow: none;
+}
+
+#PanelUI-remotetabs[mainview] { /* panel anchored to toolbar button might be too skinny */
+  min-width: 19em;
+}
+
+/* Work around bug 1224412 - these boxes will cause scrollbars to appear when
+   the panel is anchored to a toolbar button.
+*/
+#PanelUI-remotetabs[mainview] #PanelUI-remotetabs-setupsync,
+#PanelUI-remotetabs[mainview] #PanelUI-remotetabs-reauthsync,
+#PanelUI-remotetabs[mainview] #PanelUI-remotetabs-nodevicespane,
+#PanelUI-remotetabs[mainview] #PanelUI-remotetabs-tabsdisabledpane {
+  min-height: 30em;
+}
+
+#PanelUI-remotetabs-tabslist > label[itemtype="client"] {
+  color: GrayText;
+}
+
+/* Collapse the non-active vboxes in the remotetabs deck to use only the
+   height the active box needs */
+#PanelUI-remotetabs-deck:not([selectedIndex="1"]) > #PanelUI-remotetabs-tabsdisabledpane,
+#PanelUI-remotetabs-deck:not([selectedIndex="2"]) > #PanelUI-remotetabs-fetching,
+#PanelUI-remotetabs-deck:not([selectedIndex="3"]) > #PanelUI-remotetabs-nodevicespane {
+  visibility: collapse;
+}
+
+#PanelUI-fxa-icon[syncstatus="active"] {
   list-style-image: url(chrome://browser/skin/syncProgress-horizontalbar.png);
 }
 
@@ -1062,10 +1141,19 @@ menuitem.panel-subview-footer:not([disabled])[_moz-menuactive]:active,
   color: GrayText;
 }
 
+#PanelUI-remotetabs-tabslist > toolbarbutton,
 #PanelUI-historyItems > toolbarbutton {
   list-style-image: url("chrome://mozapps/skin/places/defaultFavicon.png");
 }
 
+@media (min-resolution: 1.1dppx) {
+  #PanelUI-remotetabs-tabslist > toolbarbutton,
+  #PanelUI-historyItems > toolbarbutton {
+    list-style-image: url("chrome://mozapps/skin/places/defaultFavicon@2x.png");
+  }
+}
+
+#PanelUI-remotetabs-tabslist > toolbarbutton > .toolbarbutton-icon,
 #PanelUI-recentlyClosedWindows > toolbarbutton > .toolbarbutton-icon,
 #PanelUI-recentlyClosedTabs > toolbarbutton > .toolbarbutton-icon,
 #PanelUI-historyItems > toolbarbutton > .toolbarbutton-icon {
@@ -1523,7 +1611,7 @@ menuitem[checked="true"].subviewbutton > .menu-iconic-left {
     list-style-image: url(chrome://browser/skin/sync-horizontalbar@2x.png);
   }
 
-  #PanelUI-footer-fxa[syncstatus="active"] > #PanelUI-fxa-icon {
+  #PanelUI-fxa-icon[syncstatus="active"] {
     list-style-image: url(chrome://browser/skin/syncProgress-horizontalbar@2x.png);
   }
 
diff --git a/arc-firefox-theme/chrome/browser/customizableui/thumburger-inverted.png b/arc-firefox-theme/chrome/browser/customizableui/thumburger-inverted.png
deleted file mode 100755
index 5bd6385..0000000
--- a/arc-firefox-theme/chrome/browser/customizableui/thumburger-inverted.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/customizableui/thumburger.png b/arc-firefox-theme/chrome/browser/customizableui/thumburger.png
deleted file mode 100755
index bd75b44..0000000
--- a/arc-firefox-theme/chrome/browser/customizableui/thumburger.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/devedition.css b/arc-firefox-theme/chrome/browser/devedition.css
index 9f0796a..22d7cd3 100644
--- a/arc-firefox-theme/chrome/browser/devedition.css
+++ b/arc-firefox-theme/chrome/browser/devedition.css
@@ -47,7 +47,6 @@
 
   /* 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);
@@ -62,7 +61,8 @@
 :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);
+  --identity-box-hover-background-color: rgba(231,230,230,.2);
+  --identity-box-selected-background-color: rgba(211,210,210,.2);
 }
 
 :root[devtoolstheme="light"] {
@@ -166,11 +166,6 @@
   color: var(--chrome-color);
 }
 
-.browserContainer > .findbar-textbox {
-  background-color: var(--url-and-searchbar-background-color) !important;
-  color: var(--url-and-searchbar-color);
-}
-
 /* Default findbar text color doesn't look good - Bug 1125677 */
 .browserContainer > findbar .findbar-find-status,
 .browserContainer > findbar .found-matches {
@@ -200,7 +195,7 @@ toolbar[brighttext] #downloads-indicator-counter {
 #navigator-toolbox .searchbar-textbox {
   background-color: var(--url-and-searchbar-background-color) !important;
   background-image: none !important;
-  color: var(--url-and-searchbar-color) !important;
+  color: inherit !important;
   border: 1px solid var(--chrome-nav-bar-controls-border-color) !important;
   box-shadow: none !important;
 }
@@ -312,6 +307,10 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper {
   background-image: none;
 }
 
+:root {
+  --forwardbutton-width: 29px;
+}
+
 .tab-close-button[visuallyselected]:not(:hover) {
   background-image: -moz-image-rect(url("chrome://global/skin/icons/close.svg"), 0, 80, 16, 64);
 }
diff --git a/arc-firefox-theme/chrome/browser/downloads/contentAreaDownloadsView.css b/arc-firefox-theme/chrome/browser/downloads/contentAreaDownloadsView.css
index 73e42fb..aef7df1 100644
--- a/arc-firefox-theme/chrome/browser/downloads/contentAreaDownloadsView.css
+++ b/arc-firefox-theme/chrome/browser/downloads/contentAreaDownloadsView.css
@@ -8,8 +8,9 @@
   padding: 18px;
 }
 
-#downloadsRichListBox:not(:-moz-focusring) {
+#downloadsRichListBox:empty {
   border-color: transparent;
+  background-color: transparent;
 }
 
 .downloadButton:not([disabled="true"]):hover,
diff --git a/arc-firefox-theme/chrome/browser/feeds/subscribe-ui.css b/arc-firefox-theme/chrome/browser/feeds/subscribe-ui.css
index b3c0b37..f165003 100644
--- a/arc-firefox-theme/chrome/browser/feeds/subscribe-ui.css
+++ b/arc-firefox-theme/chrome/browser/feeds/subscribe-ui.css
@@ -5,25 +5,3 @@
 .alwaysUse {
   padding: 5px;
 }
-
-.handlersMenuPopup > menuitem {
-  -moz-padding-start: 23px;
-}
-
-.handlersMenuPopup > menuitem.menuitem-iconic {
-  -moz-padding-start: 2px;
-}
-
-.handlersMenuPopup > .menuitem-iconic  > .menu-iconic-left {
-  display: -moz-box;
-  min-width: 16px;
-  -moz-padding-end: 2px;
-}
-
-.chooseApplicationMenuItem {
-  list-style-image: url("moz-icon://dummy.exe?size=16");
-}
-
-#feedHeader[dir="rtl"] .handlersMenuList > menupopup {
-  direction: rtl;
-}
diff --git a/arc-firefox-theme/chrome/browser/feeds/subscribe.css b/arc-firefox-theme/chrome/browser/feeds/subscribe.css
index 03b534a..8389c30 100644
--- a/arc-firefox-theme/chrome/browser/feeds/subscribe.css
+++ b/arc-firefox-theme/chrome/browser/feeds/subscribe.css
@@ -7,6 +7,20 @@ html {
   font: 3mm tahoma,arial,helvetica,sans-serif;
 }
 
+#subscribeUsingDescription,
+#subscribeButton {
+  display: block;
+}
+
+#subscribeUsingDescription {
+  margin-bottom: 0.5em;
+}
+
+#subscribeButton {
+  margin-top: 0.5em;
+  margin-inline-start: auto;
+}
+
 #feedBody {
   border: 1px solid THreeDShadow;
   padding: 3em;
@@ -21,9 +35,14 @@ html {
   margin: -4em auto 0 auto;
   background-color: InfoBackground;
   -moz-appearance: -moz-gtk-info-bar;
+  display: flex;
+}
+
+#feedHeaderContainerSpacer {
+  flex-grow: 1;
 }
 
-#feedHeader {  
+#feedHeader {
   margin-top: 4.9em;
   margin-bottom: 1em;
   -moz-margin-start: 1.4em;
@@ -65,6 +84,7 @@ html {
 
 #feedSubscribeLine {
   padding-top: 0.2em;
+  padding-inline-start: 0.5em;
 }
 
 /* Don't print subscription UI */
diff --git a/arc-firefox-theme/chrome/browser/fxa/sync-illustration.svg b/arc-firefox-theme/chrome/browser/fxa/sync-illustration.svg
new file mode 100644
index 0000000..dd2b7bd
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/fxa/sync-illustration.svg
@@ -0,0 +1,16 @@
+<?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" preserveAspectRatio="xMidYMid" width="320" height="280" viewBox="0 0 320 280">
+  <g fill="#cdcdcd">
+    <path d="M46.352,148.919 L46.352,148.919 L44.938,150.333 L43.523,148.919 L43.523,148.919 L37.866,143.262 L39.281,141.848 L44.938,147.505 L50.594,141.848 L52.009,143.262 L46.352,148.919 ZM43.937,134.000 L45.938,134.000 L45.938,142.000 L43.937,142.000 L43.937,134.000 ZM43.937,122.000 L45.938,122.000 L45.938,130.000 L43.937,130.000 L43.937,122.000 Z"/>
+    <path d="M306.641,132.110 L300.984,126.453 L295.328,132.110 L293.913,130.696 L300.984,123.625 L308.055,130.696 L306.641,132.110 ZM302.000,223.969 L300.000,223.969 L300.000,215.969 L302.000,215.969 L302.000,223.969 ZM302.000,211.969 L300.000,211.969 L300.000,203.969 L302.000,203.969 L302.000,211.969 ZM302.000,199.969 L300.000,199.969 L300.000,191.969 L302.000,191.969 L302.000,199.969 ZM302.000,187.969 L300.000,187.969 L300.000,179.969 L302.000,179.969 L302.000,187.969 ZM302.000,175.969 L300.000,175.969 L300.000,167.969 L302.000,167.969 L302.000,175.969 ZM302.000,163.969 L300.000,163.969 L300.000,155.969 L302.000,155.969 L302.000,163.969 ZM300.000,131.969 L302.000,131.969 L302.000,139.969 L300.000,139.969 L300.000,131.969 ZM302.000,151.969 L300.000,151.969 L300.000,143.969 L302.000,143.969 L302.000,151.969 ZM300.000,227.969 L302.000,227.969 L302.000,232.000 L302.000,234.000 L300.000,234.000 L292.000,234.000 L292.000,232.000 L300.000,232.000 L300.000,227.969 Z"/>
+    <path d="M101.335,236.009 L99.921,234.594 L105.578,228.938 L99.921,223.281 L101.335,221.866 L108.406,228.938 L101.335,236.009 ZM100.000,229.938 L92.000,229.938 L92.000,227.937 L100.000,227.937 L100.000,229.938 ZM80.000,227.937 L88.000,227.937 L88.000,229.938 L80.000,229.938 L80.000,227.937 Z"/>
+    <path d="M182.000,54.000 L182.000,52.000 L190.000,52.000 L190.000,54.000 L182.000,54.000 ZM170.000,52.000 L178.000,52.000 L178.000,54.000 L170.000,54.000 L170.000,52.000 ZM168.488,60.071 L161.417,53.000 L168.488,45.929 L169.902,47.343 L164.245,53.000 L169.902,58.657 L168.488,60.071 Z"/>
+    <path d="M297.688,276.000 L102.312,276.000 C97.721,276.000 94.000,272.279 94.000,267.688 L94.000,260.000 L306.000,260.000 L306.000,267.688 C306.000,272.279 302.279,276.000 297.688,276.000 ZM117.906,150.312 C117.906,145.721 121.628,142.000 126.218,142.000 L273.688,142.000 C278.279,142.000 282.000,145.721 282.000,150.312 L282.000,256.000 L117.906,256.000 L117.906,150.312 ZM132.000,242.000 L270.000,242.000 L270.000,156.000 L132.000,156.000 L132.000,242.000 Z"/>
+    <path d="M307.074,115.969 L206.926,115.969 C203.101,115.969 200.000,112.868 200.000,109.042 L200.000,38.926 C200.000,35.101 203.101,32.000 206.926,32.000 L307.074,32.000 C310.899,32.000 314.000,35.101 314.000,38.926 L314.000,109.042 C314.000,112.868 310.899,115.969 307.074,115.969 ZM210.000,65.875 C210.000,64.770 209.105,63.875 208.000,63.875 C206.895,63.875 206.000,64.770 206.000,65.875 L206.000,82.000 C206.000,83.105 206.895,84.000 208.000,84.000 C209.105,84.000 210.000,83.105 210.000,82.000 L210.000,65.875 ZM302.000,42.000 L216.000,42.000 L216.000,106.000 L302.000,106.000 L302.000,42.000 Z"/>
+    <path d="M65.844,240.000 L26.156,240.000 C23.861,240.000 22.000,238.139 22.000,235.844 L22.000,162.156 C22.000,159.861 23.861,158.000 26.156,158.000 L65.844,158.000 C68.139,158.000 70.000,159.861 70.000,162.156 L70.000,235.844 C70.000,238.139 68.139,240.000 65.844,240.000 ZM46.000,236.000 C48.287,236.000 50.141,234.195 50.141,231.969 C50.141,229.742 48.287,227.938 46.000,227.938 C43.713,227.938 41.859,229.742 41.859,231.969 C41.859,234.195 43.713,236.000 46.000,236.000 ZM66.000,168.000 L26.000,168.000 L26.000,224.000 L66.000,224.000 L66.000,168.000 Z"/>
+    <path d="M171.906,86.156 C171.906,102.329 159.026,115.469 143.017,115.797 L143.039,115.955 L28.850,115.955 L28.869,115.797 C12.872,115.475 -0.000,102.333 -0.000,86.156 C-0.000,71.661 10.336,59.603 23.994,57.019 C23.620,55.457 23.401,53.834 23.401,52.156 C23.401,40.714 32.606,31.438 43.962,31.438 C47.561,31.438 50.941,32.375 53.884,34.012 C53.883,33.930 53.878,33.848 53.878,33.766 C53.878,17.137 67.301,3.656 83.858,3.656 C97.763,3.656 109.453,13.164 112.843,26.059 C116.677,23.334 121.343,21.719 126.393,21.719 C139.394,21.719 149.933,32.331 149.933,45.422 C149.933,49.572 148.868,53.468 147.007,56.861 C161.114,59.082 171.906,71.351 171.906,86.156 Z"/>
+  </g>
+</svg>
diff --git a/arc-firefox-theme/chrome/browser/identity-icon.svg b/arc-firefox-theme/chrome/browser/identity-icon.svg
new file mode 100644
index 0000000..531aec4
--- /dev/null
+++ b/arc-firefox-theme/chrome/browser/identity-icon.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="48" height="16" viewBox="0 0 32 16">

+  <defs>

+    <circle id="shape-circle-base" cx="8" cy="8" r="7" />

+    <g id="shape-i">

+      <circle cx="8" cy="5" r="1" />

+      <rect x="7" y="7" width="2" height="5" rx="1" ry="1" />

+    </g>

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

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

+      <use xlink:href="#shape-circle-base" fill="#fff" />

+      <circle cx="8" cy="8" r="6" fill="#000" />

+    </mask>

+  </defs>

+

+  <view id="normal" viewBox="0 0 16 16"/>

+  <g>

+    <use xlink:href="#shape-circle-base" mask="url(#mask-ring-cutout)" fill="#999" />

+    <use xlink:href="#shape-i" fill="#999" />

+  </g>

+

+  <view id="hover" viewBox="16 0 16 16"/>

+  <g transform="translate(16)">

+    <use xlink:href="#shape-circle-base" fill="#4c9ed9" />

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

+  </g>

+</svg>

diff --git a/arc-firefox-theme/chrome/browser/loop/menuPanel.png b/arc-firefox-theme/chrome/browser/loop/menuPanel.png
deleted file mode 100644
index 31f3671..0000000
--- a/arc-firefox-theme/chrome/browser/loop/menuPanel.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/loop/menuPanel@2x.png b/arc-firefox-theme/chrome/browser/loop/menuPanel@2x.png
deleted file mode 100644
index f52cf22..0000000
--- a/arc-firefox-theme/chrome/browser/loop/menuPanel@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/loop/toolbar-inverted.png b/arc-firefox-theme/chrome/browser/loop/toolbar-inverted.png
deleted file mode 100644
index 31c0256..0000000
--- a/arc-firefox-theme/chrome/browser/loop/toolbar-inverted.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/loop/toolbar-inverted@2x.png b/arc-firefox-theme/chrome/browser/loop/toolbar-inverted@2x.png
deleted file mode 100644
index 1178851..0000000
--- a/arc-firefox-theme/chrome/browser/loop/toolbar-inverted@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/loop/toolbar.png b/arc-firefox-theme/chrome/browser/loop/toolbar.png
deleted file mode 100644
index 8ba10aa..0000000
--- a/arc-firefox-theme/chrome/browser/loop/toolbar.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/loop/toolbar@2x.png b/arc-firefox-theme/chrome/browser/loop/toolbar@2x.png
deleted file mode 100644
index c1fc1de..0000000
--- a/arc-firefox-theme/chrome/browser/loop/toolbar@2x.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/menuPanel.png b/arc-firefox-theme/chrome/browser/menuPanel.png
index ccdc35b..f8c7f88 100644
--- a/arc-firefox-theme/chrome/browser/menuPanel.png
+++ b/arc-firefox-theme/chrome/browser/menuPanel.png
diff --git a/arc-firefox-theme/chrome/browser/menuPanel@2x.png b/arc-firefox-theme/chrome/browser/menuPanel@2x.png
index d1d5256..28176a1 100644
--- a/arc-firefox-theme/chrome/browser/menuPanel@2x.png
+++ b/arc-firefox-theme/chrome/browser/menuPanel@2x.png
diff --git a/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css b/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css
deleted file mode 100644
index b308d91..0000000
--- a/arc-firefox-theme/chrome/browser/preferences/aboutPermissions.css
+++ /dev/null
@@ -1,136 +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/. */
-
-@import url("chrome://global/skin/in-content/common.css");
-
-#permissions-content {
-  padding-top: 48px;
-  -moz-padding-end: 0; /* no padding to move the scroll bar to the edge */
-}
-
-/* sites box */
-
-#sites-box {
-  width: 25em;
-}
-
-#sites-filter {
-  margin: 0;
-}
-
-#sites-list {
-  margin: 5px 0 0 0;
-}
-
-.site {
-  padding: 4px;
-  border-bottom: 1px solid ThreeDLightShadow;
-}
-
-.site-favicon {
-  height: 16px;
-  width: 16px;
-  -moz-margin-end: 4px;
-  list-style-image: url("chrome://mozapps/skin/places/defaultFavicon.png");
-}
-
-#all-sites-item > .site-container > .site-favicon {
-  list-style-image: none;
-}
-
-/* permissions box */
-
-#permissions-box {
-  -moz-padding-start: 10px;
-}
-
-#permissions-list {
-  overflow-y: auto;
-  padding-top: 5px;
-  -moz-padding-end: 44px;
-}
-
-#site-description {
-  font-size: 125%;
-}
-
-#site-label {
-  font-weight: bold;
-  margin-top: 0;
-  margin-bottom: 0;
-}
-
-#defaults-description {
-  font-size: 125%;
-  font-weight: bold;
-}
-
-#header-deck {
-  -moz-margin-end: 44px;
-}
-
-#site-header,
-#defaults-header {
-  margin-bottom: 1px;
-}
-
-.pref-item {
-  margin-bottom: 10px;
-}
-
-.pref-icon {
-  width: 36px;
-  height: 36px;
-  -moz-margin-end: 10px;
-}
-
-.pref-icon[type="password"] {
-  list-style-image: url(chrome://mozapps/skin/passwordmgr/key-64.png);
-}
-.pref-icon[type="cookie"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
-.pref-icon[type="geo"] {
-  list-style-image: url(chrome://browser/skin/Geolocation-64.png);
-}
-.pref-icon[type="desktop-notification"] {
-  list-style-image: url(chrome://browser/skin/web-notifications-icon.svg);
-}
-.pref-icon[type="indexedDB"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
-.pref-icon[type="install"] {
-  list-style-image: url(chrome://mozapps/skin/extensions/extensionGeneric.png);
-}
-.pref-icon[type="popup"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
-.pref-icon[type="image"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
-.pref-icon[type="plugins"] {
-  list-style-image: url(chrome://mozapps/skin/plugins/pluginGeneric.png);
-}
-.pref-icon[type="camera"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
-.pref-icon[type="microphone"] {
-  list-style-image: url(chrome://global/skin/icons/question-64.png);
-}
-
-.pref-title {
-  font-size: 125%;
-  -moz-margin-start: 4px;
-  margin-bottom: 0;
-  font-weight: bold;
-}
-
-.pref-menulist {
-  min-width: 10em;
- }
-
-#cookies-label,
-#passwords-label {
-  -moz-margin-start: 4px; /* align with the menulists */
-}
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 a7bf8c5..92108a8 100644
--- a/arc-firefox-theme/chrome/browser/preferences/in-content/preferences.css
+++ b/arc-firefox-theme/chrome/browser/preferences/in-content/preferences.css
@@ -372,28 +372,6 @@ description > html|a {
 }
 
 /**
- * Sync migration
- */
-#sync-migrate-upgrade-description {
-  /* description elts need a min-width to wrap correctly - bug 630864? */
-  min-width: 100px
-}
-
-#sync-migration {
-  border: 1px solid rgba(0, 0, 0, 0.32);
-  background-color: InfoBackground;
-  color: InfoText;
-  text-shadow: none;
-  margin: 5px 0 0 0;
-  animation: fadein 3000ms;
-}
-
-@keyframes fadein {
-  from { opacity: 0; }
-  to   { opacity: 1; }
-}
-
-/**
  * Sync
  */
 
@@ -466,46 +444,6 @@ description > html|a {
   background-color: #FF9500;
 }
 
-#sync-migration-buttons-deck {
-  visibility: collapse;
-}
-
-#learnMoreLink {
-  margin: 0;
-  color: #FBFBFB;
-  text-decoration: underline;
-}
-
-#syncStatusMessage[message-type="migration"] #sync-migration-buttons-deck {
-  visibility: visible;
-}
-
-#sync-migration-buttons-deck {
-  margin-top: 20px;
-}
-
-#sync-migration-buttons-deck button {
-  margin: 0 10px 0 0;
-  border: 0;
-  border-radius: 2px;
-}
-
-#sync-migrate-upgrade,
-#sync-migrate-resend {
-  background-color: #0095DD;
-  color: #FBFBFB;
-}
-
-#sync-migrate-upgrade:hover,
-#sync-migrate-resend:hover {
-  background-color: #008ACB;
-}
-
-#sync-migrate-upgrade:hover:active,
-#sync-migrate-resend:hover:active {
-  background-color: #006B9D;
-}
-
 #syncStatusMessageWrapper {
   -moz-box-flex: 1;
   padding-right: 5px;
diff --git a/arc-firefox-theme/chrome/browser/preferences/preferences.css b/arc-firefox-theme/chrome/browser/preferences/preferences.css
index 8d68b81..95820e2 100644
--- a/arc-firefox-theme/chrome/browser/preferences/preferences.css
+++ b/arc-firefox-theme/chrome/browser/preferences/preferences.css
@@ -1,3 +1,9 @@
+/*
+# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 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/.
+*/
 
 /* Global Styles */
 #BrowserPreferences radio[pane] {
@@ -178,25 +184,3 @@ label.small {
 #noFxaAccount > label:first-child {
   margin-bottom: 0.6em;
 }
-
-/**
- * Sync migration
- */
-#sync-migration {
-  border: 1px solid rgba(0, 0, 0, 0.32);
-  background-color: InfoBackground;
-  color: InfoText;
-  text-shadow: none;
-  margin: 5px 0 0 0;
-  animation: fadein 3000ms;
-}
-
-#sync-migration description {
-  margin: 8px;
-}
-
-@keyframes fadein {
-  from { opacity: 0; }
-  to   { opacity: 1; }
-}
-
diff --git a/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss b/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss
index cdd94fb..3757954 100644
--- a/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss
+++ b/arc-firefox-theme/chrome/browser/sass/_browser-sass.scss
@@ -605,8 +605,8 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   max-width: 16px;
 }
 
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > .toolbarbutton-icon,
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
 #bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   max-width: 18px;
 }
@@ -635,9 +635,9 @@ 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, #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, #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, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-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, #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, #webide-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, #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, #webide-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, #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, #webide-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px;
 }
 
@@ -829,29 +829,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 //  margin-left: -30.01px;
 //}
 
-/* tabview menu item */
-
-#menu_tabview {
-  list-style-image: url(chrome://browser/skin/tabview/tabview.png);
-  -moz-image-region: rect(0, 80px, 16px, 64px);
-}
-
-#menu_tabview[groups="0"] {
-  -moz-image-region: rect(0, 16px, 16px, 0);
-}
-
-#menu_tabview[groups="1"] {
-  -moz-image-region: rect(0, 32px, 16px, 16px);
-}
-
-#menu_tabview[groups="2"] {
-  -moz-image-region: rect(0, 48px, 16px, 32px);
-}
-
-#menu_tabview[groups="3"] {
-  -moz-image-region: rect(0, 64px, 16px, 48px);
-}
-
 /* undo close tab menu item */
 #alltabs_undoCloseTab {
   list-style-image: url(chrome://browser/skin/undoCloseTab.png);
@@ -872,7 +849,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 
 /* Menu panel buttons */
 
-:-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, #webide-button, #loop-button, #pocket-button),
+:-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, #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, #webide-button, #pocket-button),
 #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   list-style-image: url("chrome://browser/skin/custom_images/#{$asset_path}/toolbar-icons.svg");
 
@@ -880,7 +857,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 }
 
 
-#back-button, #back-button, #forward-button, #home-button, #print-button, #downloads-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, #webide-button, #loop-button, #pocket-button {
+#back-button, #back-button, #forward-button, #home-button, #print-button, #downloads-button, #new-tab-button, #new-window-button, #fullscreen-button, #sync-button, #feed-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, #webide-button, #pocket-button {
 
   #nav-bar &:not([disabled=true]):-moz-any([open],[checked],:hover:active),
   #TabsToolbar &:not([disabled=true]):-moz-any([open],[checked],:hover:active) {
@@ -897,9 +874,9 @@ list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-active.
 
 }
 
-//toolbar[brighttext] :-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),
+//toolbar[brighttext] :-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, #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, #webide-button, #pocket-button),
 //toolbar[brighttext] #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
-//  list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-dark.svg");
+//  list-style-image: url(chrome://browser/skin/Toolbar-inverted.png);
 //}
 
 #back-button {
@@ -947,16 +924,7 @@ list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-active.
 }
 
 #sync-button[cui-areatype="toolbar"] {
-  -moz-image-region: rect(0, 270px, 18px, 252px);
-}
-
-#sync-button[cui-areatype="toolbar"][status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar.png");
-  -moz-image-region: rect(0, 18px, 18px, 0px);
-}
-
-toolbar[brighttext] #sync-button[status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar-inverted.png");
+  -moz-image-region: rect(0, 792px, 18px, 774px);
 }
 
 #feed-button[cui-areatype="toolbar"] {
@@ -1015,15 +983,6 @@ 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);
 }
@@ -1052,10 +1011,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   transform: scaleX(-1);
 }
 
-#tabview-button {
-  -moz-image-region: rect(0, 648px, 18px, 630px);
-}
-
 #email-link-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 666px, 18px, 648px);
 }
@@ -1076,47 +1031,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   transform: scaleX(-1);
 }
 
-#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"); }
-}
-
-#nav-bar #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 {
-//  list-style-image: url(chrome://browser/skin/loop/toolbar-inverted.png);
-//}
-
-#loop-button[state="disabled"],
-#loop-button[disabled="true"] {
-  -moz-image-region: rect(0, 36px, 18px, 18px);
-}
-
-#loop-button:not([disabled="true"])[state="error"] {
-  -moz-image-region: rect(0, 54px, 18px, 36px);
-}
-
-#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]) {
-  -moz-image-region: rect(0, 90px, 18px, 72px);
-}
-
-#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]) {
-  -moz-image-region: rect(0, 126px, 18px, 108px);
-}
-
 #webide-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 738px, 18px, 720px);
 }
@@ -1141,8 +1055,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 @media not all and (min-resolution: 1.1dppx) {
 
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image);
   }
 
@@ -1191,12 +1105,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 384px, 32px, 352px);
-  }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel.png);
-    -moz-image-region: rect(0px, 32px, 32px, 0px);
+    -moz-image-region: rect(0px, 1024px, 32px, 992px);
   }
 
   #feed-button[cui-areatype="menu-panel"],
@@ -1242,11 +1151,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
     -moz-image-region: rect(0px, 576px, 32px, 544px);
   }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 608px, 32px, 576px);
-  }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 640px, 32px, 608px);
@@ -1317,42 +1221,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
     -moz-image-region: rect(0, 832px, 32px, 800px);
   }
 
-  #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 {
-    -moz-image-region: rect(0, 32px, 32px, 0) !important;
-  }
-
-  #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"] {
-    -moz-image-region: rect(0, 96px, 32px, 64px);
-  }
-
-  #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]) {
-    -moz-image-region: rect(0, 160px, 32px, 128px);
-  }
-
-  #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]) {
-    -moz-image-region: rect(0, 224px, 32px, 192px);
-  }
-
   /* Wide panel control icons */
 
   #edit-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
@@ -1396,8 +1264,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 /* Menu panel and palette styles */
 @media (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image-2x);
   }
 
@@ -1446,12 +1314,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 768px, 64px, 704px);
-  }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel@2x.png);
-    -moz-image-region: rect(0px, 64px, 64px, 0px);
+    -moz-image-region: rect(0px, 2048px, 64px, 1984px);
   }
 
   #feed-button[cui-areatype="menu-panel"],
@@ -1501,42 +1364,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px);
   }
 
-  #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 {
-    -moz-image-region: rect(0, 64px, 64px, 0) !important;
-  }
-
-  #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"] {
-    -moz-image-region: rect(0, 192px, 64px, 128px);
-  }
-
-  #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]) {
-    -moz-image-region: rect(0, 320px, 64px, 256px);
-  }
-
-  #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]) {
-    -moz-image-region: rect(0, 448px, 64px, 384px);
-  }
-
   #new-tab-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #new-tab-button {
     -moz-image-region: rect(0px, 1088px, 64px, 1024px);
@@ -1547,11 +1374,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
     -moz-image-region: rect(0px, 1152px, 64px, 1088px);
   }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 1216px, 64px, 1152px);
-  }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 1280px, 64px, 1216px);
@@ -1778,9 +1600,12 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   -moz-box-align: center;
 }
 
-//.urlbar-icon {
-//  padding: 0 3px;
-//}
+.urlbar-icon {
+  padding: 0 1px;
+  /* 16x16 icon with border-box sizing */
+  width: 16px;
+  height: 16px;
+}
 
 #urlbar-search-footer {
   border-top: 1px solid hsla(210,4%,10%,.14);
@@ -1932,10 +1757,18 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
 //#identity-box:hover,
 //#identity-box[open=true] {
-//  background-color: var(--identity-box-selected-background-color);
 //  border-image-source: none;
 //}
 
+//#identity-box:hover {
+//  background-color: var(--identity-box-hover-background-color);
+//}
+
+//#identity-box:hover:active,
+//#identity-box[open=true] {
+//  background-color: var(--identity-box-selected-background-color);
+//}
+
 #urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity {
   color: var(--identity-box-verified-color);
 }
@@ -1973,13 +1806,42 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 //  padding-inline-start: calc(var(--backbutton-urlbar-overlap) + 4.01px);
 //}
 
+/* MAIN IDENTITY ICON */
+
+#identity-icon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#normal);
+}
+
+#identity-box:hover > #identity-icon,
+#identity-box[open=true] > #identity-icon {
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#hover);
+}
+
+#urlbar[pageproxystate="valid"] > #identity-box.chromeUI > #identity-icon {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg);
+}
+
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icon {
+  opacity: 0.3;
+}
+
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icon {
+  -moz-image-region: inherit;
+  list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
+  width: 16px;
+  height: 16px;
+  opacity: 1;
+}
+
 /* TRACKING PROTECTION ICON */
 
 #tracking-protection-icon {
   width: 16px;
   height: 16px;
-  margin-inline-start: 0;
-  margin-inline-end: 2px;
+  margin-inline-start: 2px;
+  margin-inline-end: 0;
   list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
   opacity: 1;
 }
@@ -1993,59 +1855,48 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
 }
 
 #tracking-protection-icon:not([state]) {
-  margin-inline-start: -18px;
+  margin-inline-end: -18px;
   pointer-events: none;
   opacity: 0;
   /* Only animate the shield in, when it disappears hide it immediately. */
   transition: none;
 }
 
-#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+#urlbar[pageproxystate="invalid"] > #identity-box > #tracking-protection-icon {
   visibility: collapse;
 }
 
-/* MAIN IDENTITY ICON */
+/* CONNECTION ICON */
 
-#page-proxy-favicon {
+#connection-icon {
   width: 16px;
   height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-not-secure.svg);
-}
-
-.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.svg);
+  margin-inline-start: 2px;
+  visibility: collapse;
 }
 
-.verifiedDomain > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.verifiedIdentity > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedDomain > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity > #connection-icon {
   list-style-image: url(chrome://browser/skin/identity-secure.svg);
+  visibility: visible;
 }
 
-.insecureLoginForms > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+#urlbar[pageproxystate="valid"] > #identity-box.insecureLoginForms > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveContent > #connection-icon {
   list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
+  visibility: visible;
 }
 
-.weakCipher > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedDisplayContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedDisplayContentLoadedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+#urlbar[pageproxystate="valid"] > #identity-box.weakCipher > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContent > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContentLoadedActiveBlocked > #connection-icon {
   list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
+  visibility: visible;
 }
 
-.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveBlocked > #connection-icon {
   list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg);
-}
-
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3;
-}
-
-#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;
+  visibility: visible;
 }
 
 
@@ -2593,16 +2444,6 @@ notification[value="translation"] menulist > .menulist-dropmarker {
   display: block;
 }
 
-/* Loop/ Hello browser styles */
-
-notification[value="loop-sharing-notification"] .button-menubutton-button {
-  min-width: 0;
-}
-
-notification[value="loop-sharing-notification"] .messageImage {
-  list-style-image: url(chrome://browser/skin/webRTC-shareScreen-16.png);
-}
-
 #treecolAutoCompleteImage {
   max-width : 36px;
 }
@@ -2651,7 +2492,7 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   font-size: 0.9em;
 }
 
-richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-icon {
+richlistitem[type~="action"][actiontype$="tab"] > .ac-url-box > .ac-action-icon {
   list-style-image: url("chrome://browser/skin/actionicon-tab.png");
   padding: 0 3px;
 }
@@ -3424,7 +3265,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 .tab-background-middle[visuallyselected=true]:-moz-lwtheme {
   background-color: transparent;
   background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png),
-                    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));/*,
+                    linear-gradient(transparent 2px, rgba(255,255,255,.4) 2px, rgba(255,255,255,.4));/*,
                     lwtHeader;*/
   /* Don't stretch the LWT header images */
   background-size: var(--tab-stroke-background-size), auto 100%, auto auto;
@@ -3433,7 +3274,7 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before {
-  background-image: 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));
+  background-image: linear-gradient(transparent 2px, rgba(255,255,255,.4) 2px, rgba(255,255,255,.4));
 }
 
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
@@ -4284,7 +4125,7 @@ html|*#fullscreen-exit-button {
 
 :root[devtoolstheme="light"] #developer-toolbar > toolbarbutton:not([checked=true]) > image,
 :root[devtoolstheme="light"] .gclitoolbar-input-node:not([focused=true])::before  {
-  filter: url("chrome://devtools/skin/images/filters.svg#invert");
+  filter: invert(1);
 }
 
 .developer-toolbar-button > .toolbarbutton-icon,
@@ -4650,19 +4491,22 @@ notification.pluginVulnerable .messageImage {
 
 #downloads-button[cui-areatype="toolbar"] > #downloads-indicator-anchor > #downloads-indicator-icon,
 #nav-bar #downloads-button[cui-areatype="toolbar"] > #downloads-indicator-anchor > #downloads-indicator-icon {
-  background: -moz-image-rect(url("chrome://browser/skin/custom_images/#{$asset_path}/toolbar-icons.svg"), 0, 198, 18, 180) center no-repeat;
+  background: -moz-image-rect(url("chrome://browser/skin/custom_images/#{$asset_path}/toolbar-icons.svg"),
+                              0, 198, 18, 180) center no-repeat;
   min-width: 18px;
   min-height: 18px;
 }
 
 #TabsToolbar #downloads-button[cui-areatype="toolbar"] > #downloads-indicator-anchor > #downloads-indicator-icon {
-  background: -moz-image-rect(url("chrome://browser/skin/custom_images/#{$asset_path}/tabbar-icons.svg"), 0, 198, 18, 180) center no-repeat;
+  background: -moz-image-rect(url("chrome://browser/skin/custom_images/#{$asset_path}/tabbar-icons.svg"),
+                              0, 198, 18, 180) center no-repeat;
 }
 
 #downloads-button[cui-areatype="toolbar"]:not([disabled=true]):-moz-any([open],[checked],:hover:active) > #downloads-indicator-anchor > #downloads-indicator-icon,
 #TabsToolbar #downloads-button[cui-areatype="toolbar"]:not([disabled=true]):-moz-any([open],[checked],:hover:active) > #downloads-indicator-anchor > #downloads-indicator-icon,
 #nav-bar #downloads-button[cui-areatype="toolbar"]:not([disabled=true]):-moz-any([open],[checked],:hover:active) > #downloads-indicator-anchor > #downloads-indicator-icon {
-  background: -moz-image-rect(url("chrome://browser/skin/custom_images/toolbar-icons-active.svg"), 0, 198, 18, 180) center no-repeat;
+  background: -moz-image-rect(url("chrome://browser/skin/custom_images/toolbar-icons-active.svg"),
+                              0, 198, 18, 180) center no-repeat;
 }
 
 //toolbar[brighttext] #downloads-button[cui-areatype="toolbar"]:not([attention]) > #downloads-indicator-anchor > #downloads-indicator-icon {
@@ -4673,7 +4517,8 @@ notification.pluginVulnerable .messageImage {
 #downloads-button[cui-areatype="toolbar"][attention] > #downloads-indicator-anchor > #downloads-indicator-icon,
 #nav-bar #downloads-button[cui-areatype="toolbar"][attention] > #downloads-indicator-anchor > #downloads-indicator-icon,
 #TabsToolbar #downloads-button[cui-areatype="toolbar"][attention] > #downloads-indicator-anchor > #downloads-indicator-icon {
-  background-image: -moz-image-rect(url("chrome://browser/skin/custom_images/#{$asset_path}/toolbar-icons.svg"), 18, 198, 36, 180);
+  background-image: -moz-image-rect(url("chrome://browser/skin/custom_images/#{$asset_path}/toolbar-icons.svg"),
+                                    18, 198, 36, 180);
 }
 
 #downloads-button[cui-areatype="menu-panel"][attention] {
@@ -4968,42 +4813,12 @@ chatbar > chatbox > .chat-titlebar > .chat-swap-button {
   transform: none;
 }
 
-chatbox[src^="about:loopconversation#"] .chat-minimize-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#minimize-white");
-}
-
-chatbox[src^="about:loopconversation#"] .chat-swap-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#expand-white");
-}
-
-.chat-loop-hangup {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#exit-white");
-  background-color: #d13f1a;
-  border: 1px solid #d13f1a;
-  border-top-right-radius: 4px;
-  width: 32px;
-  height: 26px;
-  margin-top: -6px;
-  margin-bottom: -5px;
-  -moz-margin-start: 6px;
-  -moz-margin-end: -5px;
-}
-
-.chat-toolbarbutton.chat-loop-hangup:-moz-any(:hover,:hover:active) {
-  background-color: #ef6745;
-  border-color: #ef6745;
-}
-
 .chat-title {
   color: #666;
   text-shadow: none;
   cursor: inherit;
 }
 
-chatbox[src^="about:loopconversation#"] .chat-title {
-  color: white;
-}
-
 .chat-titlebar {
   height: 26px;
   min-height: 26px;
@@ -5022,11 +4837,6 @@ chatbox[src^="about:loopconversation#"] .chat-title {
   background-color: #f0f0f0;
 }
 
-chatbox[src^="about:loopconversation#"] > .chat-titlebar {
-  background-color: #00a9dc;
-  border-color: #00a9dc;
-}
-
 .chat-titlebar > .notification-anchor-icon {
   margin-left: 2px;
   margin-right: 2px;
diff --git a/arc-firefox-theme/chrome/browser/sass/browser-dark.css b/arc-firefox-theme/chrome/browser/sass/browser-dark.css
index 41f7494..fa16d69 100644
--- a/arc-firefox-theme/chrome/browser/sass/browser-dark.css
+++ b/arc-firefox-theme/chrome/browser/sass/browser-dark.css
@@ -482,8 +482,8 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 :-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1 > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon {
   max-width: 16px; }
 
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > .toolbarbutton-icon,
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
 #bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   max-width: 18px; }
 
@@ -508,9 +508,9 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-property: background-color, border-color;
   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, #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, #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, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-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, #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, #webide-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, #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, #webide-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, #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, #webide-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon,
@@ -621,23 +621,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   margin-left: 2px;
   margin-right: 2px; }
 
-/* tabview menu item */
-#menu_tabview {
-  list-style-image: url(chrome://browser/skin/tabview/tabview.png);
-  -moz-image-region: rect(0, 80px, 16px, 64px); }
-
-#menu_tabview[groups="0"] {
-  -moz-image-region: rect(0, 16px, 16px, 0); }
-
-#menu_tabview[groups="1"] {
-  -moz-image-region: rect(0, 32px, 16px, 16px); }
-
-#menu_tabview[groups="2"] {
-  -moz-image-region: rect(0, 48px, 16px, 32px); }
-
-#menu_tabview[groups="3"] {
-  -moz-image-region: rect(0, 64px, 16px, 48px); }
-
 /* undo close tab menu item */
 #alltabs_undoCloseTab {
   list-style-image: url(chrome://browser/skin/undoCloseTab.png); }
@@ -655,14 +638,14 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu") !important; }
 
 /* Menu panel buttons */
-:-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, #webide-button, #loop-button, #pocket-button),
+:-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, #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, #webide-button, #pocket-button),
 #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   list-style-image: url("chrome://browser/skin/custom_images/dark/toolbar-icons.svg"); }
-  #TabsToolbar :-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, #webide-button, #loop-button, #pocket-button), #TabsToolbar
+  #TabsToolbar :-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, #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, #webide-button, #pocket-button), #TabsToolbar
   #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
     list-style-image: url("chrome://browser/skin/custom_images/dark/tabbar-icons.svg"); }
 
-#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
   list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-active.svg"); }
 
 #nav-bar #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .dropmarker-icon,
@@ -705,14 +688,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   -moz-image-region: rect(0, 252px, 18px, 234px); }
 
 #sync-button[cui-areatype="toolbar"] {
-  -moz-image-region: rect(0, 270px, 18px, 252px); }
-
-#sync-button[cui-areatype="toolbar"][status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar.png");
-  -moz-image-region: rect(0, 18px, 18px, 0px); }
-
-toolbar[brighttext] #sync-button[status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar-inverted.png"); }
+  -moz-image-region: rect(0, 792px, 18px, 774px); }
 
 #feed-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 288px, 18px, 270px); }
@@ -756,13 +732,6 @@ 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); }
 
@@ -784,9 +753,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #nav-bar-overflow-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#tabview-button {
-  -moz-image-region: rect(0, 648px, 18px, 630px); }
-
 #email-link-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 666px, 18px, 648px); }
 
@@ -802,35 +768,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #panic-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#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 {
-    list-style-image: url("chrome://browser/skin/custom_images/dark/loop-tabbar-icons.svg"); }
-
-#nav-bar #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"],
-#loop-button[disabled="true"] {
-  -moz-image-region: rect(0, 36px, 18px, 18px); }
-
-#loop-button:not([disabled="true"])[state="error"] {
-  -moz-image-region: rect(0, 54px, 18px, 36px); }
-
-#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]) {
-  -moz-image-region: rect(0, 90px, 18px, 72px); }
-
-#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]) {
-  -moz-image-region: rect(0, 126px, 18px, 108px); }
-
 #webide-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 738px, 18px, 720px); }
 
@@ -849,8 +786,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
 @media not all and (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -889,11 +826,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 384px, 32px, 352px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel.png);
-    -moz-image-region: rect(0px, 32px, 32px, 0px); }
+    -moz-image-region: rect(0px, 1024px, 32px, 992px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -929,10 +862,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 576px, 32px, 544px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 608px, 32px, 576px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 640px, 32px, 608px); }
@@ -988,34 +917,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #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 {
-    -moz-image-region: rect(0, 32px, 32px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 96px, 32px, 64px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 160px, 32px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 224px, 32px, 192px); }
-
   /* Wide panel control icons */
   #edit-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
   #zoom-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
@@ -1049,8 +950,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 /* Menu panel and palette styles */
 @media (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image-2x); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -1089,11 +990,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 768px, 64px, 704px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel@2x.png);
-    -moz-image-region: rect(0px, 64px, 64px, 0px); }
+    -moz-image-region: rect(0px, 2048px, 64px, 1984px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -1132,34 +1029,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #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 {
-    -moz-image-region: rect(0, 64px, 64px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 192px, 64px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 320px, 64px, 256px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 448px, 64px, 384px); }
-
   #new-tab-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #new-tab-button {
     -moz-image-region: rect(0px, 1088px, 64px, 1024px); }
@@ -1168,10 +1037,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 1152px, 64px, 1088px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 1216px, 64px, 1152px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 1280px, 64px, 1216px); }
@@ -1336,6 +1201,12 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #urlbar-icons {
   -moz-box-align: center; }
 
+.urlbar-icon {
+  padding: 0 1px;
+  /* 16x16 icon with border-box sizing */
+  width: 16px;
+  height: 16px; }
+
 #urlbar-search-footer {
   border-top: 1px solid rgba(24, 26, 27, 0.14);
   background-color: rgba(24, 26, 27, 0.07); }
@@ -1463,12 +1334,35 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
   border-radius: 0; }
 
+/* MAIN IDENTITY ICON */
+#identity-icon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#normal); }
+
+#identity-box:hover > #identity-icon,
+#identity-box[open=true] > #identity-icon {
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#hover); }
+
+#urlbar[pageproxystate="valid"] > #identity-box.chromeUI > #identity-icon {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
+
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icon {
+  opacity: 0.3; }
+
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icon {
+  -moz-image-region: inherit;
+  list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
+  width: 16px;
+  height: 16px;
+  opacity: 1; }
+
 /* TRACKING PROTECTION ICON */
 #tracking-protection-icon {
   width: 16px;
   height: 16px;
-  margin-inline-start: 0;
-  margin-inline-end: 2px;
+  margin-inline-start: 2px;
+  margin-inline-end: 0;
   list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
   opacity: 1; }
 
@@ -1479,49 +1373,41 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
 #tracking-protection-icon:not([state]) {
-  margin-inline-start: -18px;
+  margin-inline-end: -18px;
   pointer-events: none;
   opacity: 0;
   /* Only animate the shield in, when it disappears hide it immediately. */
   transition: none; }
 
-#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+#urlbar[pageproxystate="invalid"] > #identity-box > #tracking-protection-icon {
   visibility: collapse; }
 
-/* MAIN IDENTITY ICON */
-#page-proxy-favicon {
+/* CONNECTION ICON */
+#connection-icon {
   width: 16px;
   height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
-
-.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
-
-.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); }
-
-.insecureLoginForms > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
+  margin-inline-start: 2px;
+  visibility: collapse; }
 
-.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); }
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedDomain > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg);
+  visibility: visible; }
 
-.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
+#urlbar[pageproxystate="valid"] > #identity-box.insecureLoginForms > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveContent > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
+  visibility: visible; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#urlbar[pageproxystate="valid"] > #identity-box.weakCipher > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContent > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContentLoadedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
+  visibility: visible; }
 
-#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; }
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg);
+  visibility: visible; }
 
 .popup-notification-icon {
   width: 64px;
@@ -1945,13 +1831,6 @@ notification[value="translation"] button:not([type="menu"]) > .button-box {
 notification[value="translation"] menulist > .menulist-dropmarker {
   display: block; }
 
-/* Loop/ Hello browser styles */
-notification[value="loop-sharing-notification"] .button-menubutton-button {
-  min-width: 0; }
-
-notification[value="loop-sharing-notification"] .messageImage {
-  list-style-image: url(chrome://browser/skin/webRTC-shareScreen-16.png); }
-
 #treecolAutoCompleteImage {
   max-width: 36px; }
 
@@ -1992,7 +1871,7 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   color: -moz-nativehyperlinktext;
   font-size: 0.9em; }
 
-richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-icon {
+richlistitem[type~="action"][actiontype$="tab"] > .ac-url-box > .ac-action-icon {
   list-style-image: url("chrome://browser/skin/actionicon-tab.png");
   padding: 0 3px; }
 
@@ -2561,8 +2440,8 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
    See browser-lightweightTheme.css for information about run-time changes to LWT styles. */
 .tab-background-middle[visuallyselected=true]:-moz-lwtheme {
   background-color: transparent;
-  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3));
-                                                                                                                                                                                /*,
+  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4));
+                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
   background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
@@ -2570,7 +2449,7 @@ lwtHeader;*/
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before {
-  background-image: linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3)); }
+  background-image: linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4)); }
 
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before,
@@ -3232,7 +3111,7 @@ html|*#fullscreen-exit-button {
 
 :root[devtoolstheme="light"] #developer-toolbar > toolbarbutton:not([checked=true]) > image,
 :root[devtoolstheme="light"] .gclitoolbar-input-node:not([focused=true])::before {
-  filter: url("chrome://devtools/skin/images/filters.svg#invert"); }
+  filter: invert(1); }
 
 .developer-toolbar-button > .toolbarbutton-icon,
 #developer-toolbar-closebutton > .toolbarbutton-icon {
@@ -3786,36 +3665,11 @@ toolbar[brighttext] #downloads-indicator-counter {
 chatbar > chatbox > .chat-titlebar > .chat-swap-button {
   transform: none; }
 
-chatbox[src^="about:loopconversation#"] .chat-minimize-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#minimize-white"); }
-
-chatbox[src^="about:loopconversation#"] .chat-swap-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#expand-white"); }
-
-.chat-loop-hangup {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#exit-white");
-  background-color: #d13f1a;
-  border: 1px solid #d13f1a;
-  border-top-right-radius: 4px;
-  width: 32px;
-  height: 26px;
-  margin-top: -6px;
-  margin-bottom: -5px;
-  -moz-margin-start: 6px;
-  -moz-margin-end: -5px; }
-
-.chat-toolbarbutton.chat-loop-hangup:-moz-any(:hover, :hover:active) {
-  background-color: #ef6745;
-  border-color: #ef6745; }
-
 .chat-title {
   color: #666;
   text-shadow: none;
   cursor: inherit; }
 
-chatbox[src^="about:loopconversation#"] .chat-title {
-  color: white; }
-
 .chat-titlebar {
   height: 26px;
   min-height: 26px;
@@ -3832,10 +3686,6 @@ chatbox[src^="about:loopconversation#"] .chat-title {
 .chat-titlebar[selected] {
   background-color: #f0f0f0; }
 
-chatbox[src^="about:loopconversation#"] > .chat-titlebar {
-  background-color: #00a9dc;
-  border-color: #00a9dc; }
-
 .chat-titlebar > .notification-anchor-icon {
   margin-left: 2px;
   margin-right: 2px; }
diff --git a/arc-firefox-theme/chrome/browser/sass/browser-darker.css b/arc-firefox-theme/chrome/browser/sass/browser-darker.css
index 101833d..a3f4850 100644
--- a/arc-firefox-theme/chrome/browser/sass/browser-darker.css
+++ b/arc-firefox-theme/chrome/browser/sass/browser-darker.css
@@ -482,8 +482,8 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 :-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1 > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon {
   max-width: 16px; }
 
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > .toolbarbutton-icon,
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
 #bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   max-width: 18px; }
 
@@ -508,9 +508,9 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-property: background-color, border-color;
   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, #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, #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, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-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, #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, #webide-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, #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, #webide-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, #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, #webide-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon,
@@ -621,23 +621,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   margin-left: 2px;
   margin-right: 2px; }
 
-/* tabview menu item */
-#menu_tabview {
-  list-style-image: url(chrome://browser/skin/tabview/tabview.png);
-  -moz-image-region: rect(0, 80px, 16px, 64px); }
-
-#menu_tabview[groups="0"] {
-  -moz-image-region: rect(0, 16px, 16px, 0); }
-
-#menu_tabview[groups="1"] {
-  -moz-image-region: rect(0, 32px, 16px, 16px); }
-
-#menu_tabview[groups="2"] {
-  -moz-image-region: rect(0, 48px, 16px, 32px); }
-
-#menu_tabview[groups="3"] {
-  -moz-image-region: rect(0, 64px, 16px, 48px); }
-
 /* undo close tab menu item */
 #alltabs_undoCloseTab {
   list-style-image: url(chrome://browser/skin/undoCloseTab.png); }
@@ -655,14 +638,14 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu") !important; }
 
 /* Menu panel buttons */
-:-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, #webide-button, #loop-button, #pocket-button),
+:-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, #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, #webide-button, #pocket-button),
 #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   list-style-image: url("chrome://browser/skin/custom_images/light/toolbar-icons.svg"); }
-  #TabsToolbar :-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, #webide-button, #loop-button, #pocket-button), #TabsToolbar
+  #TabsToolbar :-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, #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, #webide-button, #pocket-button), #TabsToolbar
   #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
     list-style-image: url("chrome://browser/skin/custom_images/dark/tabbar-icons.svg"); }
 
-#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
   list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-active.svg"); }
 
 #nav-bar #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .dropmarker-icon,
@@ -705,14 +688,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   -moz-image-region: rect(0, 252px, 18px, 234px); }
 
 #sync-button[cui-areatype="toolbar"] {
-  -moz-image-region: rect(0, 270px, 18px, 252px); }
-
-#sync-button[cui-areatype="toolbar"][status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar.png");
-  -moz-image-region: rect(0, 18px, 18px, 0px); }
-
-toolbar[brighttext] #sync-button[status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar-inverted.png"); }
+  -moz-image-region: rect(0, 792px, 18px, 774px); }
 
 #feed-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 288px, 18px, 270px); }
@@ -756,13 +732,6 @@ 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); }
 
@@ -784,9 +753,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #nav-bar-overflow-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#tabview-button {
-  -moz-image-region: rect(0, 648px, 18px, 630px); }
-
 #email-link-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 666px, 18px, 648px); }
 
@@ -802,35 +768,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #panic-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#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 {
-    list-style-image: url("chrome://browser/skin/custom_images/dark/loop-tabbar-icons.svg"); }
-
-#nav-bar #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"],
-#loop-button[disabled="true"] {
-  -moz-image-region: rect(0, 36px, 18px, 18px); }
-
-#loop-button:not([disabled="true"])[state="error"] {
-  -moz-image-region: rect(0, 54px, 18px, 36px); }
-
-#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]) {
-  -moz-image-region: rect(0, 90px, 18px, 72px); }
-
-#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]) {
-  -moz-image-region: rect(0, 126px, 18px, 108px); }
-
 #webide-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 738px, 18px, 720px); }
 
@@ -849,8 +786,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
 @media not all and (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -889,11 +826,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 384px, 32px, 352px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel.png);
-    -moz-image-region: rect(0px, 32px, 32px, 0px); }
+    -moz-image-region: rect(0px, 1024px, 32px, 992px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -929,10 +862,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 576px, 32px, 544px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 608px, 32px, 576px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 640px, 32px, 608px); }
@@ -988,34 +917,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #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 {
-    -moz-image-region: rect(0, 32px, 32px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 96px, 32px, 64px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 160px, 32px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 224px, 32px, 192px); }
-
   /* Wide panel control icons */
   #edit-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
   #zoom-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
@@ -1049,8 +950,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 /* Menu panel and palette styles */
 @media (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image-2x); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -1089,11 +990,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 768px, 64px, 704px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel@2x.png);
-    -moz-image-region: rect(0px, 64px, 64px, 0px); }
+    -moz-image-region: rect(0px, 2048px, 64px, 1984px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -1132,34 +1029,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #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 {
-    -moz-image-region: rect(0, 64px, 64px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 192px, 64px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 320px, 64px, 256px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 448px, 64px, 384px); }
-
   #new-tab-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #new-tab-button {
     -moz-image-region: rect(0px, 1088px, 64px, 1024px); }
@@ -1168,10 +1037,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 1152px, 64px, 1088px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 1216px, 64px, 1152px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 1280px, 64px, 1216px); }
@@ -1335,6 +1200,12 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #urlbar-icons {
   -moz-box-align: center; }
 
+.urlbar-icon {
+  padding: 0 1px;
+  /* 16x16 icon with border-box sizing */
+  width: 16px;
+  height: 16px; }
+
 #urlbar-search-footer {
   border-top: 1px solid rgba(24, 26, 27, 0.14);
   background-color: rgba(24, 26, 27, 0.07); }
@@ -1462,12 +1333,35 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
   border-radius: 0; }
 
+/* MAIN IDENTITY ICON */
+#identity-icon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#normal); }
+
+#identity-box:hover > #identity-icon,
+#identity-box[open=true] > #identity-icon {
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#hover); }
+
+#urlbar[pageproxystate="valid"] > #identity-box.chromeUI > #identity-icon {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
+
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icon {
+  opacity: 0.3; }
+
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icon {
+  -moz-image-region: inherit;
+  list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
+  width: 16px;
+  height: 16px;
+  opacity: 1; }
+
 /* TRACKING PROTECTION ICON */
 #tracking-protection-icon {
   width: 16px;
   height: 16px;
-  margin-inline-start: 0;
-  margin-inline-end: 2px;
+  margin-inline-start: 2px;
+  margin-inline-end: 0;
   list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
   opacity: 1; }
 
@@ -1478,49 +1372,41 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
 #tracking-protection-icon:not([state]) {
-  margin-inline-start: -18px;
+  margin-inline-end: -18px;
   pointer-events: none;
   opacity: 0;
   /* Only animate the shield in, when it disappears hide it immediately. */
   transition: none; }
 
-#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+#urlbar[pageproxystate="invalid"] > #identity-box > #tracking-protection-icon {
   visibility: collapse; }
 
-/* MAIN IDENTITY ICON */
-#page-proxy-favicon {
+/* CONNECTION ICON */
+#connection-icon {
   width: 16px;
   height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
-
-.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
-
-.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); }
-
-.insecureLoginForms > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
+  margin-inline-start: 2px;
+  visibility: collapse; }
 
-.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); }
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedDomain > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg);
+  visibility: visible; }
 
-.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
+#urlbar[pageproxystate="valid"] > #identity-box.insecureLoginForms > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveContent > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
+  visibility: visible; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#urlbar[pageproxystate="valid"] > #identity-box.weakCipher > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContent > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContentLoadedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
+  visibility: visible; }
 
-#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; }
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg);
+  visibility: visible; }
 
 .popup-notification-icon {
   width: 64px;
@@ -1944,13 +1830,6 @@ notification[value="translation"] button:not([type="menu"]) > .button-box {
 notification[value="translation"] menulist > .menulist-dropmarker {
   display: block; }
 
-/* Loop/ Hello browser styles */
-notification[value="loop-sharing-notification"] .button-menubutton-button {
-  min-width: 0; }
-
-notification[value="loop-sharing-notification"] .messageImage {
-  list-style-image: url(chrome://browser/skin/webRTC-shareScreen-16.png); }
-
 #treecolAutoCompleteImage {
   max-width: 36px; }
 
@@ -1991,7 +1870,7 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   color: -moz-nativehyperlinktext;
   font-size: 0.9em; }
 
-richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-icon {
+richlistitem[type~="action"][actiontype$="tab"] > .ac-url-box > .ac-action-icon {
   list-style-image: url("chrome://browser/skin/actionicon-tab.png");
   padding: 0 3px; }
 
@@ -2561,8 +2440,8 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
    See browser-lightweightTheme.css for information about run-time changes to LWT styles. */
 .tab-background-middle[visuallyselected=true]:-moz-lwtheme {
   background-color: transparent;
-  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3));
-                                                                                                                                                                                /*,
+  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4));
+                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
   background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
@@ -2570,7 +2449,7 @@ lwtHeader;*/
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before {
-  background-image: linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3)); }
+  background-image: linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4)); }
 
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before,
@@ -3232,7 +3111,7 @@ html|*#fullscreen-exit-button {
 
 :root[devtoolstheme="light"] #developer-toolbar > toolbarbutton:not([checked=true]) > image,
 :root[devtoolstheme="light"] .gclitoolbar-input-node:not([focused=true])::before {
-  filter: url("chrome://devtools/skin/images/filters.svg#invert"); }
+  filter: invert(1); }
 
 .developer-toolbar-button > .toolbarbutton-icon,
 #developer-toolbar-closebutton > .toolbarbutton-icon {
@@ -3786,36 +3665,11 @@ toolbar[brighttext] #downloads-indicator-counter {
 chatbar > chatbox > .chat-titlebar > .chat-swap-button {
   transform: none; }
 
-chatbox[src^="about:loopconversation#"] .chat-minimize-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#minimize-white"); }
-
-chatbox[src^="about:loopconversation#"] .chat-swap-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#expand-white"); }
-
-.chat-loop-hangup {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#exit-white");
-  background-color: #d13f1a;
-  border: 1px solid #d13f1a;
-  border-top-right-radius: 4px;
-  width: 32px;
-  height: 26px;
-  margin-top: -6px;
-  margin-bottom: -5px;
-  -moz-margin-start: 6px;
-  -moz-margin-end: -5px; }
-
-.chat-toolbarbutton.chat-loop-hangup:-moz-any(:hover, :hover:active) {
-  background-color: #ef6745;
-  border-color: #ef6745; }
-
 .chat-title {
   color: #666;
   text-shadow: none;
   cursor: inherit; }
 
-chatbox[src^="about:loopconversation#"] .chat-title {
-  color: white; }
-
 .chat-titlebar {
   height: 26px;
   min-height: 26px;
@@ -3832,10 +3686,6 @@ chatbox[src^="about:loopconversation#"] .chat-title {
 .chat-titlebar[selected] {
   background-color: #f0f0f0; }
 
-chatbox[src^="about:loopconversation#"] > .chat-titlebar {
-  background-color: #00a9dc;
-  border-color: #00a9dc; }
-
 .chat-titlebar > .notification-anchor-icon {
   margin-left: 2px;
   margin-right: 2px; }
diff --git a/arc-firefox-theme/chrome/browser/sass/browser-light.css b/arc-firefox-theme/chrome/browser/sass/browser-light.css
index e7c3a52..dabd4cb 100644
--- a/arc-firefox-theme/chrome/browser/sass/browser-light.css
+++ b/arc-firefox-theme/chrome/browser/sass/browser-light.css
@@ -482,8 +482,8 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
 :-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1 > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon {
   max-width: 16px; }
 
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > .toolbarbutton-icon,
-:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #webide-button, #loop-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > .toolbarbutton-icon,
+:-moz-any(toolbar, .widget-overflow-list) .toolbarbutton-1:-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, #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, #webide-button, #pocket-button) > :-moz-any(.toolbarbutton-menubutton-button, .toolbarbutton-badge-stack) > .toolbarbutton-icon,
 #bookmarks-menu-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   max-width: 18px; }
 
@@ -508,9 +508,9 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   transition-property: background-color, border-color;
   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, #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, #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, #webide-button, #loop-button, #pocket-button)) > .toolbarbutton-menubutton-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, #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, #webide-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, #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, #webide-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, #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, #webide-button, #pocket-button)) > .toolbarbutton-menubutton-button > .toolbarbutton-icon {
   padding: 3px 7px; }
 
 :-moz-any(#TabsToolbar, #nav-bar) .toolbarbutton-1 > .toolbarbutton-icon,
@@ -621,23 +621,6 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   margin-left: 2px;
   margin-right: 2px; }
 
-/* tabview menu item */
-#menu_tabview {
-  list-style-image: url(chrome://browser/skin/tabview/tabview.png);
-  -moz-image-region: rect(0, 80px, 16px, 64px); }
-
-#menu_tabview[groups="0"] {
-  -moz-image-region: rect(0, 16px, 16px, 0); }
-
-#menu_tabview[groups="1"] {
-  -moz-image-region: rect(0, 32px, 16px, 16px); }
-
-#menu_tabview[groups="2"] {
-  -moz-image-region: rect(0, 48px, 16px, 32px); }
-
-#menu_tabview[groups="3"] {
-  -moz-image-region: rect(0, 64px, 16px, 48px); }
-
 /* undo close tab menu item */
 #alltabs_undoCloseTab {
   list-style-image: url(chrome://browser/skin/undoCloseTab.png); }
@@ -655,14 +638,14 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu") !important; }
 
 /* Menu panel buttons */
-:-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, #webide-button, #loop-button, #pocket-button),
+:-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, #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, #webide-button, #pocket-button),
 #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
   list-style-image: url("chrome://browser/skin/custom_images/light/toolbar-icons.svg"); }
-  #TabsToolbar :-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, #webide-button, #loop-button, #pocket-button), #TabsToolbar
+  #TabsToolbar :-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, #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, #webide-button, #pocket-button), #TabsToolbar
   #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker > .dropmarker-icon {
     list-style-image: url("chrome://browser/skin/custom_images/light/tabbar-icons.svg"); }
 
-#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #tabview-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #loop-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
+#nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #back-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #forward-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #home-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #print-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #downloads-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-tab-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #new-window-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #fullscreen-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sync-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #feed-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #social-share-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #open-file-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #find-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #developer-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #preferences-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #privatebrowsing-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #save-page-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #add-ons-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #history-panelmenu:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #nav-bar-overflow-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #PanelUI-menu-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #characterencoding-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #email-link-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #sidebar-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-out-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-reset-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #zoom-in-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #cut-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #copy-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #paste-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #e10s-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #panic-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #webide-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #nav-bar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active), #TabsToolbar #pocket-button:not([disabled=true]):-moz-any([open], [checked], :hover:active) {
   list-style-image: url("chrome://browser/skin/custom_images/toolbar-icons-active.svg"); }
 
 #nav-bar #bookmarks-menu-button > .toolbarbutton-menubutton-dropmarker:not([disabled=true]):-moz-any([open], [checked], :hover:active) > .dropmarker-icon,
@@ -705,14 +688,7 @@ menuitem:not([type]):not(.menuitem-tooltip):not(.menuitem-iconic-tooltip) {
   -moz-image-region: rect(0, 252px, 18px, 234px); }
 
 #sync-button[cui-areatype="toolbar"] {
-  -moz-image-region: rect(0, 270px, 18px, 252px); }
-
-#sync-button[cui-areatype="toolbar"][status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar.png");
-  -moz-image-region: rect(0, 18px, 18px, 0px); }
-
-toolbar[brighttext] #sync-button[status="active"] {
-  list-style-image: url("chrome://browser/skin/syncProgress-toolbar-inverted.png"); }
+  -moz-image-region: rect(0, 792px, 18px, 774px); }
 
 #feed-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 288px, 18px, 270px); }
@@ -756,13 +732,6 @@ 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); }
 
@@ -784,9 +753,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #nav-bar-overflow-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#tabview-button {
-  -moz-image-region: rect(0, 648px, 18px, 630px); }
-
 #email-link-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 666px, 18px, 648px); }
 
@@ -802,35 +768,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #panic-button:-moz-locale-dir(rtl) > .toolbarbutton-icon {
   transform: scaleX(-1); }
 
-#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 {
-    list-style-image: url("chrome://browser/skin/custom_images/light/loop-tabbar-icons.svg"); }
-
-#nav-bar #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"],
-#loop-button[disabled="true"] {
-  -moz-image-region: rect(0, 36px, 18px, 18px); }
-
-#loop-button:not([disabled="true"])[state="error"] {
-  -moz-image-region: rect(0, 54px, 18px, 36px); }
-
-#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]) {
-  -moz-image-region: rect(0, 90px, 18px, 72px); }
-
-#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]) {
-  -moz-image-region: rect(0, 126px, 18px, 108px); }
-
 #webide-button[cui-areatype="toolbar"] {
   -moz-image-region: rect(0, 738px, 18px, 720px); }
 
@@ -849,8 +786,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
 @media not all and (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -889,11 +826,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 384px, 32px, 352px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel.png);
-    -moz-image-region: rect(0px, 32px, 32px, 0px); }
+    -moz-image-region: rect(0px, 1024px, 32px, 992px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -929,10 +862,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 576px, 32px, 544px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 608px, 32px, 576px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 640px, 32px, 608px); }
@@ -988,34 +917,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton {
     -moz-image-region: rect(0, 832px, 32px, 800px); }
 
-  #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 {
-    -moz-image-region: rect(0, 32px, 32px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 96px, 32px, 64px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 160px, 32px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 224px, 32px, 192px); }
-
   /* Wide panel control icons */
   #edit-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
   #zoom-controls:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true]) > toolbarbutton,
@@ -1049,8 +950,8 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 /* Menu panel and palette styles */
 @media (min-resolution: 1.1dppx) {
   toolbaritem[sdkstylewidget="true"] > toolbarbutton,
-  :-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, #webide-button, #loop-button, #pocket-button)[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > :-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, #webide-button, #loop-button, #pocket-button) {
+  :-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, #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, #webide-button, #pocket-button)[cui-areatype="menu-panel"],
+  toolbarpaletteitem[place="palette"] > :-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, #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, #webide-button, #pocket-button) {
     list-style-image: var(--menupanel-list-style-image-2x); }
 
   #home-button[cui-areatype="menu-panel"],
@@ -1089,11 +990,7 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 
   #sync-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #sync-button {
-    -moz-image-region: rect(0px, 768px, 64px, 704px); }
-
-  #sync-button[cui-areatype="menu-panel"][status="active"] {
-    list-style-image: url(chrome://browser/skin/syncProgress-menuPanel@2x.png);
-    -moz-image-region: rect(0px, 64px, 64px, 0px); }
+    -moz-image-region: rect(0px, 2048px, 64px, 1984px); }
 
   #feed-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #feed-button {
@@ -1132,34 +1029,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   #pocket-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
     -moz-image-region: rect(64px, 1984px, 128px, 1920px); }
 
-  #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 {
-    -moz-image-region: rect(0, 64px, 64px, 0) !important; }
-
-  #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"] {
-    -moz-image-region: rect(0, 192px, 64px, 128px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 320px, 64px, 256px); }
-
-  #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]) {
-    -moz-image-region: rect(0, 448px, 64px, 384px); }
-
   #new-tab-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #new-tab-button {
     -moz-image-region: rect(0px, 1088px, 64px, 1024px); }
@@ -1168,10 +1037,6 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
   toolbarpaletteitem[place="palette"] > #privatebrowsing-button {
     -moz-image-region: rect(0px, 1152px, 64px, 1088px); }
 
-  #tabview-button[cui-areatype="menu-panel"],
-  toolbarpaletteitem[place="palette"] > #tabview-button {
-    -moz-image-region: rect(0px, 1216px, 64px, 1152px); }
-
   #find-button[cui-areatype="menu-panel"],
   toolbarpaletteitem[place="palette"] > #find-button {
     -moz-image-region: rect(0px, 1280px, 64px, 1216px); }
@@ -1335,6 +1200,12 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 #urlbar-icons {
   -moz-box-align: center; }
 
+.urlbar-icon {
+  padding: 0 1px;
+  /* 16x16 icon with border-box sizing */
+  width: 16px;
+  height: 16px; }
+
 #urlbar-search-footer {
   border-top: 1px solid rgba(24, 26, 27, 0.14);
   background-color: rgba(24, 26, 27, 0.07); }
@@ -1462,12 +1333,35 @@ toolbar[brighttext] #PanelUI-menu-button.thumburger {
 window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box {
   border-radius: 0; }
 
+/* MAIN IDENTITY ICON */
+#identity-icon {
+  width: 16px;
+  height: 16px;
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#normal); }
+
+#identity-box:hover > #identity-icon,
+#identity-box[open=true] > #identity-icon {
+  list-style-image: url(chrome://browser/skin/identity-icon.svg#hover); }
+
+#urlbar[pageproxystate="valid"] > #identity-box.chromeUI > #identity-icon {
+  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
+
+#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icon {
+  opacity: 0.3; }
+
+#urlbar[actiontype="searchengine"] > #identity-box > #identity-icon {
+  -moz-image-region: inherit;
+  list-style-image: url(chrome://global/skin/icons/autocomplete-search.svg#search-icon);
+  width: 16px;
+  height: 16px;
+  opacity: 1; }
+
 /* TRACKING PROTECTION ICON */
 #tracking-protection-icon {
   width: 16px;
   height: 16px;
-  margin-inline-start: 0;
-  margin-inline-end: 2px;
+  margin-inline-start: 2px;
+  margin-inline-end: 0;
   list-style-image: url(chrome://browser/skin/tracking-protection-16.svg);
   opacity: 1; }
 
@@ -1478,49 +1372,41 @@ window:not([chromehidden~="toolbar"]) #urlbar-wrapper > #urlbar > #identity-box
   transition: margin-left 200ms ease-out, margin-right 200ms ease-out; }
 
 #tracking-protection-icon:not([state]) {
-  margin-inline-start: -18px;
+  margin-inline-end: -18px;
   pointer-events: none;
   opacity: 0;
   /* Only animate the shield in, when it disappears hide it immediately. */
   transition: none; }
 
-#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icons > #tracking-protection-icon {
+#urlbar[pageproxystate="invalid"] > #identity-box > #tracking-protection-icon {
   visibility: collapse; }
 
-/* MAIN IDENTITY ICON */
-#page-proxy-favicon {
+/* CONNECTION ICON */
+#connection-icon {
   width: 16px;
   height: 16px;
-  list-style-image: url(chrome://browser/skin/identity-not-secure.svg); }
-
-.chromeUI > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://branding/content/identity-icons-brand.svg); }
-
-.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); }
-
-.insecureLoginForms > #identity-icons > #page-proxy-favicon[pageproxystate="valid"],
-.mixedActiveContent > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg); }
+  margin-inline-start: 2px;
+  visibility: collapse; }
 
-.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); }
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedDomain > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.verifiedIdentity > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-secure.svg);
+  visibility: visible; }
 
-.mixedActiveBlocked > #identity-icons > #page-proxy-favicon[pageproxystate="valid"] {
-  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg); }
+#urlbar[pageproxystate="valid"] > #identity-box.insecureLoginForms > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveContent > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-loaded.svg);
+  visibility: visible; }
 
-#page-proxy-favicon[pageproxystate="invalid"] {
-  opacity: 0.3; }
+#urlbar[pageproxystate="valid"] > #identity-box.weakCipher > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContent > #connection-icon,
+#urlbar[pageproxystate="valid"] > #identity-box.mixedDisplayContentLoadedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-passive-loaded.svg);
+  visibility: visible; }
 
-#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; }
+#urlbar[pageproxystate="valid"] > #identity-box.mixedActiveBlocked > #connection-icon {
+  list-style-image: url(chrome://browser/skin/identity-mixed-active-blocked.svg);
+  visibility: visible; }
 
 .popup-notification-icon {
   width: 64px;
@@ -1944,13 +1830,6 @@ notification[value="translation"] button:not([type="menu"]) > .button-box {
 notification[value="translation"] menulist > .menulist-dropmarker {
   display: block; }
 
-/* Loop/ Hello browser styles */
-notification[value="loop-sharing-notification"] .button-menubutton-button {
-  min-width: 0; }
-
-notification[value="loop-sharing-notification"] .messageImage {
-  list-style-image: url(chrome://browser/skin/webRTC-shareScreen-16.png); }
-
 #treecolAutoCompleteImage {
   max-width: 36px; }
 
@@ -1991,7 +1870,7 @@ richlistitem[type~="action"][actiontype="searchengine"][selected="true"] > .ac-t
   color: -moz-nativehyperlinktext;
   font-size: 0.9em; }
 
-richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-icon {
+richlistitem[type~="action"][actiontype$="tab"] > .ac-url-box > .ac-action-icon {
   list-style-image: url("chrome://browser/skin/actionicon-tab.png");
   padding: 0 3px; }
 
@@ -2561,8 +2440,8 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
    See browser-lightweightTheme.css for information about run-time changes to LWT styles. */
 .tab-background-middle[visuallyselected=true]:-moz-lwtheme {
   background-color: transparent;
-  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3));
-                                                                                                                                                                                /*,
+  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png), linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4));
+                                                                                 /*,
 lwtHeader;*/
   /* Don't stretch the LWT header images */
   background-size: var(--tab-stroke-background-size), auto 100%, auto auto; }
@@ -2570,7 +2449,7 @@ lwtHeader;*/
 /* These LWT styles are normally overridden by browser-lightweightTheme.css */
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before {
-  background-image: linear-gradient(transparent 0px, transparent 2px, rgba(255, 255, 255, 0.35) 2px, rgba(255, 255, 255, 0.35) 3px, rgba(255, 255, 255, 0.65) 3px, rgba(255, 255, 255, 0.65) 4px, rgba(255, 255, 255, 0.3)); }
+  background-image: linear-gradient(transparent 2px, rgba(255, 255, 255, 0.4) 2px, rgba(255, 255, 255, 0.4)); }
 
 .tab-background-start[visuallyselected=true]:-moz-lwtheme::before,
 .tab-background-end[visuallyselected=true]:-moz-lwtheme::before,
@@ -3232,7 +3111,7 @@ html|*#fullscreen-exit-button {
 
 :root[devtoolstheme="light"] #developer-toolbar > toolbarbutton:not([checked=true]) > image,
 :root[devtoolstheme="light"] .gclitoolbar-input-node:not([focused=true])::before {
-  filter: url("chrome://devtools/skin/images/filters.svg#invert"); }
+  filter: invert(1); }
 
 .developer-toolbar-button > .toolbarbutton-icon,
 #developer-toolbar-closebutton > .toolbarbutton-icon {
@@ -3786,36 +3665,11 @@ toolbar[brighttext] #downloads-indicator-counter {
 chatbar > chatbox > .chat-titlebar > .chat-swap-button {
   transform: none; }
 
-chatbox[src^="about:loopconversation#"] .chat-minimize-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#minimize-white"); }
-
-chatbox[src^="about:loopconversation#"] .chat-swap-button {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#expand-white"); }
-
-.chat-loop-hangup {
-  list-style-image: url("chrome://browser/skin/social/chat-icons.svg#exit-white");
-  background-color: #d13f1a;
-  border: 1px solid #d13f1a;
-  border-top-right-radius: 4px;
-  width: 32px;
-  height: 26px;
-  margin-top: -6px;
-  margin-bottom: -5px;
-  -moz-margin-start: 6px;
-  -moz-margin-end: -5px; }
-
-.chat-toolbarbutton.chat-loop-hangup:-moz-any(:hover, :hover:active) {
-  background-color: #ef6745;
-  border-color: #ef6745; }
-
 .chat-title {
   color: #666;
   text-shadow: none;
   cursor: inherit; }
 
-chatbox[src^="about:loopconversation#"] .chat-title {
-  color: white; }
-
 .chat-titlebar {
   height: 26px;
   min-height: 26px;
@@ -3832,10 +3686,6 @@ chatbox[src^="about:loopconversation#"] .chat-title {
 .chat-titlebar[selected] {
   background-color: #f0f0f0; }
 
-chatbox[src^="about:loopconversation#"] > .chat-titlebar {
-  background-color: #00a9dc;
-  border-color: #00a9dc; }
-
 .chat-titlebar > .notification-anchor-icon {
   margin-left: 2px;
   margin-right: 2px; }
diff --git a/arc-firefox-theme/chrome/browser/tabview/edit-light.png b/arc-firefox-theme/chrome/browser/tabview/edit-light.png
deleted file mode 100644
index af42a28..0000000
--- a/arc-firefox-theme/chrome/browser/tabview/edit-light.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/tabview/search.png b/arc-firefox-theme/chrome/browser/tabview/search.png
deleted file mode 100644
index df7212d..0000000
--- a/arc-firefox-theme/chrome/browser/tabview/search.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/tabview/stack-expander.png b/arc-firefox-theme/chrome/browser/tabview/stack-expander.png
deleted file mode 100644
index 80e5133..0000000
--- a/arc-firefox-theme/chrome/browser/tabview/stack-expander.png
+++ /dev/null
diff --git a/arc-firefox-theme/chrome/browser/tabview/tabview.css b/arc-firefox-theme/chrome/browser/tabview/tabview.css
deleted file mode 100644
index 6ad5b43..0000000
--- a/arc-firefox-theme/chrome/browser/tabview/tabview.css
+++ /dev/null
@@ -1,666 +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/. */
-
-body {
-  font: -moz-window;
-  color: WindowText;
-  font-size: 12px;
-}
-
-#bg {
-  background-color: window;
-  background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.2));
-}
-
-/* Tabs
-----------------------------------*/
-
-.tab {
-  margin: 4px;
-  padding-top: 4px;
-  -moz-padding-end: 6px;
-  padding-bottom: 6px;
-  -moz-padding-start: 4px;
-  background-color: #D7D7D7;
-  border-radius: 0.4em;
-  cursor: pointer;
-}
-
-html[dir=rtl] .tab {
-  box-shadow: 0 1px 0 #FFFFFF inset,
-              0 -1px 1px rgba(255, 255, 255, 0.4) inset,
-              -1px 0 1px rgba(255, 255, 255, 0.4) inset,
-              1px 0 1px rgba(255, 255, 255, 0.4) inset,
-              0 1px 1.5px rgba(0, 0, 0, 0.4);
-}
-
-.tab canvas,
-.cached-thumb {
-  border: 1px solid rgba(0,0,0,0.2);
-}
-
-.thumb {
-  box-shadow: 1px 2px 0 rgba(0, 0, 0, 0.2);
-  background-color: white;  
-}
-
-html[dir=rtl] .thumb {
-  box-shadow: -1px 2px 0 rgba(0, 0, 0, 0.2);
-}
-
-.favicon {
-  background-color: #D7D7D7;
-  box-shadow:
-    0 -1px 0 rgba(225, 225, 225, 0.8) inset,
-    -1px 0 0 rgba(225, 225, 225, 0.8) inset;
-  padding-top: 4px;
-  -moz-padding-end: 6px;
-  padding-bottom: 6px;
-  -moz-padding-start: 4px;
-  top: 4px;
-  left: 4px;
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diff --git a/arc-firefox-theme/chrome/browser/tabview/tabview.png b/arc-firefox-theme/chrome/browser/tabview/tabview.png
deleted file mode 100644
index 29395bd..0000000
--- a/arc-firefox-theme/chrome/browser/tabview/tabview.png
+++ /dev/null