import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

browser/themes/linux/aboutSyncTabs.css

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+/* 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/. */
+
+#tabs-display,
+#tabsList {
+  background-color: transparent;
+  -moz-appearance: none;
+  margin: 0;
+}
+
+#tabsList {
+  width: 100%;
+}
+
+#tabs-display {
+  background: #fff url(chrome://browser/skin/sync-bg.png) repeat-x center -80px;
+}
+
+#headers {
+  background: url(chrome://browser/skin/sync-32.png) no-repeat;
+  margin-top: 4px;
+  width: 45em;
+  height: 32px;
+  margin-inline-start: 2em;
+  margin-inline-end: 2em;
+}
+
+#tabsListHeading {
+  font-size: 140%;
+  font-weight: bold;
+  margin-inline-start: 40px;
+}
+
+richlistitem {
+  margin-inline-end: 2em;
+}
+
+richlistitem[selected="true"],
+richlistitem:focus {
+  outline-style: none;
+}
+
+richlistitem[type="tab"] {
+  min-height: 3em;
+  border: #999999 1px solid !important;
+  padding: 2px 5px;
+  margin-bottom: 4px;
+  margin-inline-start: 4em;
+  border-radius: 6px;
+  background-color: menu;
+  width: 44em;
+  opacity: 0.9;
+  box-shadow:
+    inset rgba(255, 255, 255, 0.5) 0 1px 0px,
+    inset rgba(0, 0, 0, 0.1) 0 -2px 0px,
+    rgba(0, 0, 0, 0.1) 0px 1px 0px;
+}
+
+richlistitem[type="tab"][selected="true"] {
+  background-color: -moz-MenuHover;
+}
+
+richlistitem[type="client"] {
+  min-height: 2em;
+  color: #000000;
+  margin-inline-start: 2em;
+  margin-top: 2px;
+  margin-bottom: 3px;
+  width: 42em;
+  border-radius: 6px;
+  background-color: transparent;
+  -moz-user-focus: ignore !important;
+}
+richlistitem.mobile[type="client"] {
+  list-style-image: url("chrome://browser/skin/sync-mobileIcon.svg#icon");
+}
+richlistitem.desktop[type="client"] {
+  list-style-image: url("chrome://browser/skin/sync-desktopIcon.svg#icon");
+}
+
+.title,
+.clientName {
+  color: #000000;
+  font-size: 1.1em;
+}
+
+.title[selected="true"],
+.url[selected="true"] {
+  color: inherit;
+}
+
+.url {
+  color: -moz-nativehyperlinktext;
+  font-size: 0.95em;
+}
+
+.tabIcon {
+  padding-inline-start: 2px;
+  padding-top: 2px;
+}

browser/themes/linux/browser-lightweightTheme.css

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+/* 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/. */
+
+%include linuxShared.inc
+%filter substitution
+
+/*
+ * LightweightThemeListener will append the current lightweight theme's header
+ * image to the background-image for each of the following rulesets.
+ */
+
+/* Lightweight theme on tabs */
+#tabbrowser-tabs:not([movingtab]) > .tabbrowser-tab > .tab-stack > .tab-background > .tab-background-start[selected=true]:-moz-lwtheme::before,
+#tabbrowser-tabs:not([movingtab]) > .tabbrowser-tab > .tab-stack > .tab-background > .tab-background-end[selected=true]:-moz-lwtheme::before {
+  background-attachment: scroll, fixed;
+  background-color: transparent;
+  background-image: @fgTabTextureLWT@;/*, lwtHeader;*/
+  background-position: 0 0, right top;
+  background-repeat: repeat-x, no-repeat;
+}
+
+#tabbrowser-tabs:not([movingtab]) > .tabbrowser-tab > .tab-stack > .tab-background > .tab-background-middle[selected=true]:-moz-lwtheme {
+  background-attachment: scroll, scroll, fixed;
+  background-color: transparent;
+  background-image: url(chrome://browser/skin/tabbrowser/tab-active-middle.png),
+                    @fgTabTextureLWT@;/*,
+                    lwtHeader;*/
+  background-position: 0 0, 0 0, right top;
+  background-repeat: repeat-x, repeat-x, no-repeat;
+}

browser/themes/linux/communicator/communicator.css

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+/* 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/");
+

browser/themes/linux/communicator/jar.mn

@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+browser.jar:
+% skin communicator classic/1.0 %skin/classic/communicator/
+        skin/classic/communicator/communicator.css

browser/themes/linux/communicator/moz.build

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+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+JAR_MANIFESTS += ['jar.mn']

browser/themes/linux/controlcenter/panel.css

@@ -0,0 +1,13 @@
+/* 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/. */
+
+%include ../../shared/controlcenter/panel.inc.css
+
+.identity-popup-expander:-moz-focusring {
+  padding: 1px;
+}
+
+.identity-popup-expander:-moz-focusring > .button-box {
+  outline: 1px -moz-dialogtext dotted;
+}

browser/themes/linux/customizableui/panelUI.css

@@ -0,0 +1,98 @@
+/* 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/. */
+
+%include ../../shared/customizableui/panelUI.inc.css
+
+.panel-subviews {
+  background-color: var(--arrowpanel-background);
+}
+
+#BMB_bookmarksPopup > menuitem[type="checkbox"] {
+  -moz-appearance: none !important; /* important, to override toolkit rule */
+}
+
+#BMB_bookmarksPopup menupopup {
+  -moz-appearance: none;
+  background: var(--arrowpanel-background);
+  color: var(--arrowpanel-color);
+  border: 1px solid var(--arrowpanel-border-color);
+  margin-top: -6px;
+  padding-top: 1px;
+}
+
+/* Add some space at the top because there are no headers: */
+#BMB_bookmarksPopup menupopup > hbox > .popup-internal-box > .arrowscrollbox-scrollbox > .scrollbox-innerbox  {
+  padding-top: 4px;
+}
+
+.subviewbutton > .toolbarbutton-text {
+  padding-top: 3px;
+  padding-bottom: 3px;
+}
+
+.widget-overflow-list .toolbarbutton-1 > .toolbarbutton-menubutton-button {
+  -moz-appearance: none;
+  border: 0;
+  margin-inline-start: 3px;
+}
+
+.widget-overflow-list .toolbarbutton-1 > .toolbarbutton-menubutton-dropmarker {
+  margin-inline-start: 0;
+}
+
+.subviewbutton > .toolbarbutton-text {
+  padding-inline-start: 16px;
+}
+
+.subviewbutton:-moz-any([image],[targetURI],.cui-withicon, .restoreallitem, .bookmark-item) > .toolbarbutton-text {
+  padding-inline-start: 0;
+}
+
+/* subviewbutton entries for social sidebars have images that come from external
+/* sources, and are not guaranteed to be the size we want, so force the size on
+/* those icons. */
+toolbarbutton.social-provider-menuitem > .toolbarbutton-icon {
+  width: 16px;
+  height: 16px;
+}
+
+.subviewbutton:-moz-any([image],[targetURI],.cui-withicon, .restoreallitem, .bookmark-item)[checked="true"] > .toolbarbutton-icon {
+  visibility: hidden;
+}
+
+menuitem.subviewbutton {
+  -moz-appearance: none !important;
+}
+
+menu.subviewbutton > .menu-right {
+  -moz-appearance: none;
+  list-style-image: url(chrome://browser/skin/places/bookmarks-menu-arrow.png);
+  -moz-image-region: rect(0, 16px, 16px, 0);
+  width: 16px;
+  height: 16px;
+}
+
+menu[disabled="true"].subviewbutton > .menu-right {
+  -moz-image-region: rect(0, 32px, 16px, 16px);
+}
+
+menu.subviewbutton > .menu-right:-moz-locale-dir(rtl) {
+  transform: scaleX(-1);
+}
+
+.subviewbutton > .toolbarbutton-icon {
+  margin-inline-end: 5px !important;
+}
+
+.subviewbutton > .menu-right,
+.subviewbutton > .menu-iconic-left {
+  padding-top: 1px;
+  /* These need !important to override menu.css */
+  margin-top: 1px !important;
+  margin-bottom: 2px !important;
+}
+
+.subviewradio > .radio-label-box {
+  -moz-appearance: none;
+}

browser/themes/linux/devedition.css

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+% 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/.
+
+%include ../shared/devedition.inc.css
+
+:root {
+  --forwardbutton-width: 29px;
+}
+
+:root[devtoolstheme="light"] {
+  --urlbar-dropmarker-url: url("chrome://browser/skin/devedition/urlbar-history-dropmarker.svg");
+  --urlbar-dropmarker-region: rect(0px, 11px, 14px, 0px);
+  --urlbar-dropmarker-hover-region: rect(0, 22px, 14px, 11px);
+  --urlbar-dropmarker-active-region: rect(0px, 33px, 14px, 22px);
+  --urlbar-dropmarker-2x-url: url("chrome://browser/skin/devedition/urlbar-history-dropmarker.svg");
+  --urlbar-dropmarker-2x-region: rect(0px, 11px, 14px, 0px);
+  --urlbar-dropmarker-hover-2x-region: rect(0, 22px, 14px, 11px);
+  --urlbar-dropmarker-active-2x-region: rect(0px, 33px, 14px, 22px);
+}
+
+:root[devtoolstheme="dark"] .findbar-closebutton:not(:hover),
+:root[devtoolstheme="dark"] #sidebar-header > .close-icon:not(:hover),
+.tab-close-button[selected]:not(:hover) {
+  background-image: -moz-image-rect(url("chrome://global/skin/icons/close.svg"), 0, 80, 16, 64);
+}
+
+/* The menubar and tabs toolbar should match the devedition theme */
+#TabsToolbar,
+#toolbar-menubar {
+  -moz-appearance: none !important;
+}
+#main-menubar {
+  color: var(--chrome-color);
+}
+#main-menubar > menu:not([open]) {
+  color: inherit;
+}
+
+/* Allow buttons with -moz-appearance set to look normal on hover and open states */
+#navigator-toolbox .toolbarbutton-1:-moz-any(:hover, [open="true"]),
+#PlacesToolbar toolbarbutton.bookmark-item:-moz-any(:hover, [open="true"]) {
+  color: initial;
+}
+
+/* Square back and forward buttons */
+#back-button > .toolbarbutton-icon,
+#forward-button > .toolbarbutton-icon {
+  margin: 0;
+  border: 1px solid var(--chrome-nav-bar-controls-border-color);
+  padding: 2px 5px;
+  background: var(--chrome-nav-buttons-background);
+  box-shadow: none !important;
+}
+
+#forward-button > .toolbarbutton-icon {
+  border-inline-start: none;
+}
+
+/* Override a box shadow for disabled back button */
+#main-window:not([customizing]) #back-button[disabled] > .toolbarbutton-icon {
+  box-shadow: none !important;
+}
+
+#back-button:hover:not([disabled="true"]) > .toolbarbutton-icon,
+#forward-button:hover:not([disabled="true"]) > .toolbarbutton-icon {
+  background: var(--chrome-nav-buttons-hover-background) !important;
+}
+
+#back-button > .toolbarbutton-icon {
+  border-radius: 2px 0 0 2px !important;
+}
+
+.urlbar-history-dropmarker {
+  -moz-appearance: none;
+  padding: 0 3px;
+  list-style-image: var(--urlbar-dropmarker-url);
+  -moz-image-region: var(--urlbar-dropmarker-region);
+}
+
+/* Add the proper background for tab overflow */
+#alltabs-button,
+#new-tab-button {
+  background: var(--chrome-background-color);
+}
+
+#new-tab-button:hover > .toolbarbutton-icon {
+  border-color: transparent !important;
+}
+
+/* Prevent double border below tabs toolbar */
+#TabsToolbar:not([collapsed="true"]) + #nav-bar {
+  border-top-width: 0 !important;
+}
+
+/* Fix the bad-looking text-shadow in the sidebar header: */
+.sidebar-header,
+#sidebar-header {
+  text-shadow: none;
+}
+
+.ac-type-icon {
+  /* Left-align the type icon in awesomebar popup results with the icon in the
+     urlbar. */
+  margin-inline-start: 11px;
+}

browser/themes/linux/downloads/allDownloadsViewOverlay.css

@@ -0,0 +1,11 @@
+/* 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/. */
+
+%include ../../shared/downloads/allDownloadsViewOverlay.inc.css
+
+/*** List items ***/
+
+:root {
+  --downloads-item-height: 5em;
+}

browser/themes/linux/downloads/downloads.css

@@ -0,0 +1,21 @@
+/* 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/. */
+
+%include ../../shared/downloads/downloads.inc.css
+
+/*** List items and similar elements in the summary ***/
+
+:root {
+  --downloads-item-height: 5.5em;
+  --downloads-item-font-size-factor: 0.9;
+  --downloads-item-details-opacity: 0.6;
+}
+
+@keyfocus@ @itemFocused@,
+@keyfocus@ #downloadsSummary:focus,
+@keyfocus@ .downloadsPanelFooterButton:focus,
+.downloadButton:focus {
+  outline: 1px -moz-dialogtext dotted;
+  outline-offset: -1px;
+}

browser/themes/linux/downloads/indicator.css

@@ -0,0 +1,218 @@
+/* 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/. */
+
+/*** Status and progress indicator ***/
+
+#downloads-animation-container {
+  min-height: 1px;
+  min-width: 1px;
+  height: 1px;
+  margin-bottom: -1px;
+  /* Makes the outermost animation container element positioned, so that its
+     contents are rendered over the main browser window in the Z order.
+     This is required by the animated event notification. */
+  position: relative;
+  /* The selected tab may overlap #downloads-indicator-notification */
+  z-index: 5;
+}
+
+/*** Main indicator icon ***/
+
+@media not all and (min-resolution: 1.1dppx) {
+  #downloads-button {
+    --downloads-indicator-icon: -moz-image-rect(url("chrome://browser/skin/Toolbar.png"), 0, 198, 18, 180);
+    --downloads-indicator-icon-attention: -moz-image-rect(url("chrome://browser/skin/Toolbar.png"), 18, 198, 36, 180);
+    --downloads-indicator-icon-inverted: -moz-image-rect(url("chrome://browser/skin/Toolbar-inverted.png"), 0, 198, 18, 180);
+    --downloads-indicator-icon-attention-inverted: -moz-image-rect(url("chrome://browser/skin/Toolbar-inverted.png"), 18, 198, 36, 180);
+  }
+}
+
+@media (min-resolution: 1.1dppx) {
+  #downloads-button {
+    --downloads-indicator-icon: -moz-image-rect(url("chrome://browser/skin/Toolbar@2x.png"), 0, 396, 36, 360);
+    --downloads-indicator-icon-attention: -moz-image-rect(url("chrome://browser/skin/Toolbar@2x.png"), 36, 396, 72, 360);
+    --downloads-indicator-icon-inverted: -moz-image-rect(url("chrome://browser/skin/Toolbar-inverted@2x.png"), 0, 396, 36, 360);
+    --downloads-indicator-icon-attention-inverted: -moz-image-rect(url("chrome://browser/skin/Toolbar-inverted@2x.png"), 36, 396, 72, 360);
+  }
+}
+
+#downloads-button[cui-areatype="toolbar"] > #downloads-indicator-anchor > #downloads-indicator-icon {
+  background: var(--downloads-indicator-icon) center no-repeat;
+  width: 18px;
+  height: 18px;
+  background-size: 18px;
+}
+
+toolbar[brighttext] #downloads-button[cui-areatype="toolbar"]:not([attention="success"]) > #downloads-indicator-anchor > #downloads-indicator-icon {
+  background-image: var(--downloads-indicator-icon-inverted);
+}
+
+#downloads-button[attention="warning"] > .toolbarbutton-badge-stack > .toolbarbutton-badge,
+#downloads-button[attention="severe"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  display: -moz-box;
+  height: 8px;
+  width: 8px;
+  min-width: 0;
+  border-radius: 50%;
+  /* "!important" is necessary to override the rule in toolbarbutton.css */
+  margin-top: -1px !important;
+  margin-right: -2px !important;
+}
+
+#downloads-button[cui-areatype="toolbar"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  height: 7px;
+  width: 7px;
+}
+
+#downloads-button[attention="severe"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  background: #D90000;
+}
+
+#downloads-button[attention="warning"] > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  background: #FFBF00;
+}
+
+#downloads-button[cui-areatype="toolbar"][attention="severe"] > .toolbarbutton-badge-stack > .toolbarbutton-badge:-moz-window-inactive,
+#downloads-button[cui-areatype="toolbar"][attention="warning"] > .toolbarbutton-badge-stack > .toolbarbutton-badge:-moz-window-inactive {
+  filter: none;
+}
+
+#downloads-button[cui-areatype="toolbar"][attention="success"] > #downloads-indicator-anchor > #downloads-indicator-icon {
+  background-image: var(--downloads-indicator-icon-attention);
+}
+
+toolbar[brighttext] #downloads-button[cui-areatype="toolbar"][attention="success"] > #downloads-indicator-anchor > #downloads-indicator-icon {
+  background-image: var(--downloads-indicator-icon-attention-inverted);
+}
+
+#downloads-button[cui-areatype="menu-panel"][attention="success"] {
+  list-style-image: url("chrome://browser/skin/downloads/download-glow-menuPanel.png");
+  -moz-image-region: auto;
+}
+
+/* In the next few rules, we use :not([counter]) as a shortcut that is
+   equivalent to -moz-any([progress], [paused]). */
+
+#downloads-button:not([counter]) > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-counter {
+  background: var(--downloads-indicator-icon) center no-repeat;
+  background-size: 12px;
+}
+
+toolbar[brighttext] #downloads-button:not([counter]):not([attention="success"]) > #downloads-indicator-anchor > #downloads-button-progress-area > #downloads-indicator-counter {
+  background-image: var(--downloads-indicator-icon-inverted);
+}
+
+#downloads-button:not([counter])[attention="success"] > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-counter {
+  background-image: var(--downloads-indicator-icon-attention);
+}
+
+toolbar[brighttext] #downloads-button:not([counter])[attention="success"] > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-counter {
+  background-image: var(--downloads-indicator-icon-attention-inverted);
+}
+
+/*** Download notifications ***/
+
+#downloads-indicator-notification {
+  opacity: 0;
+  background-size: 16px;
+  background-position: center;
+  background-repeat: no-repeat;
+  width: 16px;
+  height: 16px;
+}
+
+@keyframes downloadsIndicatorNotificationStartRight {
+  from { opacity: 0; transform: translate(-128px, 128px) scale(8); }
+  20%  { opacity: .85; animation-timing-function: ease-out; }
+  to   { opacity: 0; transform: translate(0) scale(1); }
+}
+
+@keyframes downloadsIndicatorNotificationStartLeft {
+  from { opacity: 0; transform: translate(128px, 128px) scale(8); }
+  20%  { opacity: .85; animation-timing-function: ease-out; }
+  to   { opacity: 0; transform: translate(0) scale(1); }
+}
+
+#downloads-notification-anchor[notification="start"] > #downloads-indicator-notification {
+  background-image: url("chrome://browser/skin/downloads/download-notification-start.png");
+  animation-name: downloadsIndicatorNotificationStartRight;
+  animation-duration: 1s;
+}
+
+#downloads-notification-anchor[notification="start"]:-moz-locale-dir(rtl) > #downloads-indicator-notification {
+  animation-name: downloadsIndicatorNotificationStartLeft;
+}
+
+@keyframes downloadsIndicatorNotificationFinish {
+  from { opacity: 0; transform: scale(1); }
+  20%  { opacity: .65; animation-timing-function: ease-in; }
+  to   { opacity: 0; transform: scale(8); }
+}
+
+#downloads-notification-anchor[notification="finish"] > #downloads-indicator-notification {
+  background-image: url("chrome://browser/skin/downloads/download-notification-finish.png");
+  animation-name: downloadsIndicatorNotificationFinish;
+  animation-duration: 1s;
+}
+
+/*** Progress bar and text ***/
+
+#downloads-indicator-counter {
+  height: 10px;
+  margin: 0;
+  color: hsl(0,0%,30%);
+  text-shadow: 0 1px 0 hsla(0,0%,100%,.5);
+  font-size: 10px;
+  line-height: 10px;
+  text-align: center;
+}
+
+toolbar[brighttext] #downloads-indicator-counter {
+  color: white;
+  text-shadow: 0 0 1px rgba(0,0,0,.7),
+               0 1px 1.5px rgba(0,0,0,.5);
+}
+
+#downloads-indicator-progress {
+  width: 18px;
+  height: 6px;
+  min-width: 0;
+  min-height: 0;
+  margin-top: 1px;
+  margin-bottom: 2px;
+  border-radius: 2px;
+  box-shadow: 0 1px 0 hsla(0,0%,100%,.4);
+}
+
+#downloads-indicator-progress > .progress-bar {
+  -moz-appearance: none;
+  min-width: 0;
+  min-height: 0;
+  /* The background-clip: border-box; and background-image: none; are there to expand the background-color behind the border */
+  background-clip: padding-box, border-box;
+  background-color: rgb(255, 135, 94);
+  background-image: linear-gradient(transparent 1px, rgba(255, 255, 255, 0.4) 1px, rgba(255, 255, 255, 0.4) 2px, transparent 2px), none;
+  border: 1px solid;
+  border-color: rgba(0,43,86,.6) rgba(0,43,86,.4) rgba(0,43,86,.4);
+  border-radius: 2px 0 0 2px;
+}
+
+#downloads-indicator-progress > .progress-remainder {
+  -moz-appearance: none;
+  min-width: 0;
+  min-height: 0;
+  background-image: linear-gradient(#505050, #575757);
+  border: 1px solid;
+  border-color: hsla(0,0%,0%,.6) hsla(0,0%,0%,.4) hsla(0,0%,0%,.4);
+  border-inline-start: none;
+  border-radius: 0 2px 2px 0;
+}
+
+#downloads-button[paused] > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-progress > .progress-bar {
+  background-color: rgb(220, 230, 81);
+}
+
+#downloads-button[paused] > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-progress > .progress-remainder {
+  background-image: linear-gradient(#4b5000, #515700);
+}

browser/themes/linux/feeds/subscribe-ui.css

@@ -0,0 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+.alwaysUse {
+  padding: 5px;
+}

browser/themes/linux/feeds/subscribe.css

@@ -0,0 +1,185 @@
+/* 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/. */
+
+html {
+  background: -moz-Dialog;
+  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;
+  padding-inline-start: 30px;
+  margin: 2em auto;
+  background: -moz-Field;
+}
+
+#feedHeaderContainer {
+  border: 1px solid ThreeDShadow;
+  border-radius: 10px;
+  margin: -4em auto 0 auto;
+  background-color: InfoBackground;
+  -moz-appearance: -moz-gtk-info-bar;
+  display: flex;
+}
+
+#feedHeaderContainerSpacer {
+  flex-grow: 1;
+}
+
+#feedHeader {
+  margin-top: 4.9em;
+  margin-bottom: 1em;
+  margin-inline-start: 1.4em;
+  margin-inline-end: 1em;
+  padding-inline-start: 2.9em;
+  font-size: 110%;
+  color: -moz-gtk-info-bar-text;
+}
+
+.feedBackground {
+  background: url("chrome://browser/skin/feeds/feedIcon.png") 0% 10% no-repeat;
+}
+
+.videoPodcastBackground {
+  background: url("chrome://browser/skin/feeds/videoFeedIcon.png") 0% 10% no-repeat;
+}
+
+.audioPodcastBackground {
+  background: url("chrome://browser/skin/feeds/audioFeedIcon.png") 0% 10% no-repeat;
+}
+
+#feedHeader[dir="rtl"] {
+  background-position: 100% 10%;
+}
+
+#feedIntroText {
+  display: none;
+}
+
+#feedHeader[firstrun="true"] #feedIntroText {
+  padding-top: 0.1em;
+  padding-inline-start: 0.6em;
+  display: block;
+}
+
+#feedHeader[firstrun="true"] > #feedSubscribeLine {
+  padding-inline-start: 1.8em;
+}
+
+#feedSubscribeLine {
+  padding-top: 0.2em;
+  padding-inline-start: 0.5em;
+}
+
+/* Don't print subscription UI */
+@media print {
+  #feedHeaderContainer {
+    display: none;
+  }
+}
+
+body {
+  margin: 0;
+  padding: 0 3em;
+  color: -moz-fieldText;
+  font: message-box;
+}
+
+h1 {
+  font-size: 160%;
+  border-bottom: 2px solid ThreeDLightShadow;
+  margin: 0 0 .2em 0;
+}
+
+h2 {
+  color: GrayText;
+  font-size: 110%;
+  font-weight: normal;
+  margin: 0 0 .6em 0;
+}
+
+#feedTitleLink {
+  float: right;
+  margin-inline-start: .6em;
+  margin-inline-end: 0;
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+a[href] img {
+  border: none;
+}
+
+#feedTitleContainer {
+  margin-inline-start: 0;
+  margin-inline-end: .6em;
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+#feedTitleImage {
+  margin-inline-start: .6em;
+  margin-inline-end: 0;
+  margin-top: 0;
+  margin-bottom: 0;
+  max-width: 300px;
+  max-height: 150px;
+}
+
+.feedEntryContent {
+  font-size: 110%;
+}
+ 
+.link {
+  color: #0000FF;
+  text-decoration: underline;
+  cursor: pointer;
+}
+
+.link:hover:active {
+  color: #FF0000;
+}
+
+.lastUpdated {
+  font-size: 85%;
+  font-weight: normal;
+}
+
+.type-icon {
+  vertical-align: bottom;
+  height: 16px;
+  width: 16px;
+}
+
+.enclosures {
+  border: 1px solid THreeDShadow;
+  padding: 1em;
+  margin: 1em auto;
+  background: -moz-Dialog;
+}
+
+.enclosure {
+  vertical-align: middle;
+  margin-left: 2px;
+}
+
+.handlersMenuList > .menulist-label-box > .menulist-icon {
+  max-width: 16px;
+  max-height: 16px;
+}

browser/themes/linux/jar.mn

@@ -0,0 +1,140 @@
+# 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/.
+
+browser.jar:
+% skin browser classic/1.0 %skin/classic/browser/
+% override chrome://global/skin/icons/warning-16.png moz-icon://stock/gtk-dialog-warning?size=menu
+#include ../shared/jar.inc.mn
+  skin/classic/browser/sanitizeDialog.css
+  skin/classic/browser/aboutSessionRestore-window-icon.png
+  skin/classic/browser/aboutSyncTabs.css
+* skin/classic/browser/syncedtabs/sidebar.css     (syncedtabs/sidebar.css)
+  skin/classic/browser/actionicon-tab.png
+* skin/classic/browser/browser.css
+* skin/classic/browser/devedition.css
+* skin/classic/browser/browser-lightweightTheme.css
+  skin/classic/browser/click-to-play-warning-stripes.png
+  skin/classic/browser/Info.png
+  skin/classic/browser/menuPanel-customize.png
+  skin/classic/browser/menuPanel-customize@2x.png
+  skin/classic/browser/menuPanel-exit.png
+  skin/classic/browser/menuPanel-exit@2x.png
+  skin/classic/browser/menuPanel-help.png
+  skin/classic/browser/menuPanel-help@2x.png
+  skin/classic/browser/monitor.png
+  skin/classic/browser/monitor_16-10.png
+* skin/classic/browser/pageInfo.css
+  skin/classic/browser/pageInfo.png
+  skin/classic/browser/page-livemarks.png
+  skin/classic/browser/Privacy-16.png
+  skin/classic/browser/privatebrowsing-mask.png
+  skin/classic/browser/reload-stop-go.png
+  skin/classic/browser/reload-stop-go@2x.png
+  skin/classic/browser/searchbar.css
+  skin/classic/browser/Security-broken.png
+  skin/classic/browser/setDesktopBackground.css
+  skin/classic/browser/slowStartup-16.png
+  skin/classic/browser/Toolbar.png
+  skin/classic/browser/Toolbar@2x.png
+  skin/classic/browser/Toolbar-inverted.png
+  skin/classic/browser/Toolbar-inverted@2x.png
+  skin/classic/browser/Toolbar-small.png
+  skin/classic/browser/webRTC-indicator.css
+* skin/classic/browser/controlcenter/panel.css        (controlcenter/panel.css)
+  skin/classic/browser/customizableui/background-noise-toolbar.png  (customizableui/background-noise-toolbar.png)
+  skin/classic/browser/customizableui/customizeMode-gridTexture.png  (customizableui/customizeMode-gridTexture.png)
+  skin/classic/browser/customizableui/customizeMode-separatorHorizontal.png  (customizableui/customizeMode-separatorHorizontal.png)
+  skin/classic/browser/customizableui/customizeMode-separatorVertical.png  (customizableui/customizeMode-separatorVertical.png)
+* skin/classic/browser/customizableui/panelUI.css (customizableui/panelUI.css)
+* skin/classic/browser/downloads/allDownloadsViewOverlay.css   (downloads/allDownloadsViewOverlay.css)
+  skin/classic/browser/downloads/download-glow-menuPanel.png (downloads/download-glow-menuPanel.png)
+  skin/classic/browser/downloads/download-notification-finish.png (downloads/download-notification-finish.png)
+  skin/classic/browser/downloads/download-notification-start.png (downloads/download-notification-start.png)
+* skin/classic/browser/downloads/downloads.css        (downloads/downloads.css)
+  skin/classic/browser/feeds/feedIcon.png             (feeds/feedIcon.png)
+  skin/classic/browser/feeds/feedIcon16.png           (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/subscribe.css            (feeds/subscribe.css)
+  skin/classic/browser/feeds/subscribe-ui.css         (feeds/subscribe-ui.css)
+* skin/classic/browser/newtab/newTab.css              (newtab/newTab.css)
+  skin/classic/browser/places/autocomplete-star.png   (places/autocomplete-star.png)
+  skin/classic/browser/places/bookmarksMenu.png       (places/bookmarksMenu.png)
+  skin/classic/browser/places/bookmarksToolbar.png    (places/bookmarksToolbar.png)
+  skin/classic/browser/places/bookmarksToolbar-menuPanel.png (places/bookmarksToolbar-menuPanel.png)
+  skin/classic/browser/places/bookmarks-notification-finish.png  (places/bookmarks-notification-finish.png)
+  skin/classic/browser/places/bookmarks-menu-arrow.png           (places/bookmarks-menu-arrow.png)
+  skin/classic/browser/places/calendar.png            (places/calendar.png)
+* skin/classic/browser/places/editBookmarkOverlay.css (places/editBookmarkOverlay.css)
+  skin/classic/browser/places/livemark-item.png       (places/livemark-item.png)
+  skin/classic/browser/places/starred48.png           (places/starred48.png)
+  skin/classic/browser/places/unstarred48.png         (places/unstarred48.png)
+  skin/classic/browser/places/places.css              (places/places.css)
+  skin/classic/browser/places/organizer.css           (places/organizer.css)
+  skin/classic/browser/places/organizer.xml           (places/organizer.xml)
+  skin/classic/browser/places/query.png               (places/query.png)
+  skin/classic/browser/places/tag.png                 (places/tag.png)
+  skin/classic/browser/places/toolbarDropMarker.png   (places/toolbarDropMarker.png)
+  skin/classic/browser/places/unsortedBookmarks.png   (places/unsortedBookmarks.png)
+  skin/classic/browser/places/downloads.png           (places/downloads.png)
+  skin/classic/browser/preferences/alwaysAsk.png      (preferences/alwaysAsk.png)
+  skin/classic/browser/preferences/preferences.css    (preferences/preferences.css)
+* skin/classic/browser/preferences/in-content/preferences.css (preferences/in-content/preferences.css)
+* skin/classic/browser/preferences/in-content/dialog.css      (preferences/in-content/dialog.css)
+  skin/classic/browser/preferences/applications.css   (preferences/applications.css)
+  skin/classic/browser/social/services-16.png         (social/services-16.png)
+  skin/classic/browser/social/services-64.png         (social/services-64.png)
+  skin/classic/browser/social/share-button.png        (social/share-button.png)
+  skin/classic/browser/social/share-button-active.png (social/share-button-active.png)
+  skin/classic/browser/tabbrowser/alltabs.png         (tabbrowser/alltabs.png)
+  skin/classic/browser/tabbrowser/alltabs-inverted.png (tabbrowser/alltabs-inverted.png)
+  skin/classic/browser/tabbrowser/newtab.svg                (tabbrowser/newtab.svg)
+  skin/classic/browser/tabbrowser/newtab-inverted.svg       (tabbrowser/newtab-inverted.svg)
+  skin/classic/browser/tabbrowser/tab-active-middle.png     (tabbrowser/tab-active-middle.png)
+  skin/classic/browser/tabbrowser/tab-active-middle@2x.png  (tabbrowser/tab-active-middle@2x.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left.png        (tabbrowser/tab-arrow-left.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left-inverted.png (tabbrowser/tab-arrow-left-inverted.png)
+  skin/classic/browser/tabbrowser/tab-background-end.png    (tabbrowser/tab-background-end.png)
+  skin/classic/browser/tabbrowser/tab-background-end@2x.png (tabbrowser/tab-background-end@2x.png)
+  skin/classic/browser/tabbrowser/tab-background-middle.png    (tabbrowser/tab-background-middle.png)
+  skin/classic/browser/tabbrowser/tab-background-middle@2x.png (tabbrowser/tab-background-middle@2x.png)
+  skin/classic/browser/tabbrowser/tab-background-start.png     (tabbrowser/tab-background-start.png)
+  skin/classic/browser/tabbrowser/tab-background-start@2x.png  (tabbrowser/tab-background-start@2x.png)
+
+# NOTE: The following two files (tab-selected-end.svg, tab-selected-start.svg) get pre-processed in
+#       Makefile.in with a non-default marker of "%" and the result of that gets packaged.
+  skin/classic/browser/tabbrowser/tab-selected-end.svg      (tab-selected-end.svg)
+  skin/classic/browser/tabbrowser/tab-selected-start.svg    (tab-selected-start.svg)
+
+  skin/classic/browser/tabbrowser/tab-stroke-end.png        (tabbrowser/tab-stroke-end.png)
+  skin/classic/browser/tabbrowser/tab-stroke-end@2x.png     (tabbrowser/tab-stroke-end@2x.png)
+  skin/classic/browser/tabbrowser/tab-stroke-start.png      (tabbrowser/tab-stroke-start.png)
+  skin/classic/browser/tabbrowser/tab-stroke-start@2x.png   (tabbrowser/tab-stroke-start@2x.png)
+  skin/classic/browser/tabbrowser/tabDragIndicator.png      (tabbrowser/tabDragIndicator.png)
+
+  skin/classic/browser/sync-16.png
+  skin/classic/browser/sync-32.png
+  skin/classic/browser/sync-bg.png
+  skin/classic/browser/sync-128.png
+  skin/classic/browser/sync-desktopIcon.svg  (../shared/sync-desktopIcon.svg)
+  skin/classic/browser/sync-horizontalbar.png
+  skin/classic/browser/sync-horizontalbar@2x.png
+  skin/classic/browser/sync-mobileIcon.svg  (../shared/sync-mobileIcon.svg)
+  skin/classic/browser/sync-notification-24.png
+  skin/classic/browser/syncProgress-menuPanel.png
+  skin/classic/browser/syncProgress-menuPanel@2x.png
+  skin/classic/browser/syncProgress-toolbar.png
+  skin/classic/browser/syncProgress-toolbar-inverted.png
+  skin/classic/browser/syncSetup.css
+  skin/classic/browser/syncCommon.css
+  skin/classic/browser/syncQuota.css
+  skin/classic/browser/syncProgress-horizontalbar.png
+  skin/classic/browser/syncProgress-horizontalbar@2x.png
+#ifdef E10S_TESTING_ONLY
+  skin/classic/browser/e10s-64@2x.png (../shared/e10s-64@2x.png)
+#endif
+
+[extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}] chrome.jar:
+% override chrome://browser/skin/feeds/audioFeedIcon.png              chrome://browser/skin/feeds/feedIcon.png
+% override chrome://browser/skin/feeds/audioFeedIcon16.png            chrome://browser/skin/feeds/feedIcon16.png
+% override chrome://browser/skin/feeds/videoFeedIcon.png              chrome://browser/skin/feeds/feedIcon.png
+% override chrome://browser/skin/feeds/videoFeedIcon16.png            chrome://browser/skin/feeds/feedIcon16.png

browser/themes/linux/linuxShared.inc

@@ -0,0 +1,13 @@
+/* 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/. */
+
+%filter substitution
+
+%define toolbarHighlight hsla(0,0%,100%,.15)
+%define toolbarHighlightLWT rgba(255,255,255,.4)
+/* navbarInsetHighlight is tightly coupled to the toolbarHighlight constant. */
+%define navbarInsetHighlight hsla(0,0%,100%,.4)
+%define fgTabTexture linear-gradient(transparent 2px, @toolbarHighlight@ 2px, @toolbarHighlight@)
+%define fgTabTextureLWT linear-gradient(transparent 2px, @toolbarHighlightLWT@ 2px, @toolbarHighlightLWT@)
+%define fgTabBackgroundColor -moz-dialog

browser/themes/linux/moz.build

@@ -0,0 +1,11 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+DIRS += ['communicator']
+
+JAR_MANIFESTS += ['jar.mn']
+
+include('../tab-svgs.mozbuild')

browser/themes/linux/newtab/newTab.css

@@ -0,0 +1,19 @@
+/* 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/. */
+
+%include ../../shared/newtab/newTab.inc.css
+
+
+.newtab-undo-button {
+  color: rgb(221,72,20);
+}
+
+#newtab-undo-close-button {
+  height: 16px;
+  width: 16px;
+}
+
+.newtab-title {
+  font-family: sans-serif;
+}

browser/themes/linux/pageInfo.css

@@ -0,0 +1,267 @@
+%if 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/. */
+%endif
+
+@import url("chrome://global/skin/");
+
+/* View buttons */
+#viewGroup > radio {
+  list-style-image: url("chrome://browser/skin/pageInfo.png");
+  -moz-box-orient: vertical;
+  -moz-box-align: center;
+  -moz-appearance: none;
+  min-width: 4.5em;
+  margin: 0;
+  padding: 3px;
+  color: -moz-FieldText;
+}
+
+#viewGroup > radio[selected="true"] {
+  background-color: Highlight;
+  color: HighlightText;
+}
+
+#topBar {
+  -moz-appearance: listbox;
+  margin: 8px 8px 0;
+}
+
+#generalTab {
+  -moz-image-region: rect(0px, 32px, 32px, 0px)
+}
+
+#mediaTab {
+  -moz-image-region: rect(0px, 64px, 32px, 32px)
+}
+
+#feedTab {
+  -moz-image-region: rect(0px, 96px, 32px, 64px)
+}
+
+#permTab {
+  -moz-image-region: rect(0px, 128px, 32px, 96px)
+}
+
+#securityTab {
+  -moz-image-region: rect(0px, 160px, 32px, 128px)
+}
+
+#mainDeck {
+  padding-left: 2px;
+  padding-right: 2px;
+}
+
+deck {
+  padding: 10px 10px 10px 10px;
+}
+
+/* Misc */
+tree {
+  margin: .5em;
+}
+
+.gridSeparator {
+  width: .5em;
+}
+
+textbox {
+  background: transparent !important;
+  border: none;
+  padding: 0px;
+  margin-top: 1px;
+  -moz-appearance: none;
+}
+
+textbox.header {
+  margin-inline-start: 0;
+}
+
+.iframe {
+  margin: .5em;
+  background: white;
+  overflow: auto;
+}
+
+.fixedsize {
+  height: 8.5em;
+}
+
+textbox[disabled] {
+  font-style: italic;
+}
+
+/* General Tab */
+#generalPanel > #titletext {
+  margin-inline-start: 5px;
+}
+
+groupbox.collapsable caption .caption-icon {
+  width: 9px;
+  height: 9px;
+  background-repeat: no-repeat;
+  background-position: center;
+  margin-inline-start: 1px;
+  margin-inline-end: 3px;
+  background-image: url("chrome://global/skin/tree/twisty-open.png");
+}
+
+groupbox.collapsable[closed="true"] {
+  border: none;
+}
+
+groupbox.collapsable[closed="true"] caption .caption-icon {
+  background-image: url("chrome://global/skin/tree/twisty-clsd.png");
+}
+
+groupbox tree {
+  margin: 0;
+  border: none;
+}
+
+groupbox.treebox .groupbox-body {
+  margin-inline-start: 5px;
+  margin-inline-end: 1px;
+  padding-top: 0;
+}
+
+#securityBox description {
+  margin-inline-start: 10px;
+}
+
+#general-security-identity {
+  white-space: pre-wrap;
+  line-height: 2em;
+}
+
+/* Media Tab */
+#imagetree {
+  min-height: 10em;
+  margin-top: 2px;
+  margin-bottom: 0;
+}
+
+#mediaSplitter {
+  -moz-appearance: none;
+  height: .8em;
+}
+
+#mediaGrid {
+  min-height: 9em;
+}
+
+#mediaLabelColumn {
+  min-width: 10em;
+}
+
+#thepreviewimage {
+  margin: 1em;
+}
+
+treechildren::-moz-tree-cell-text(broken) {
+  font-style: italic;
+  color: graytext;
+}
+
+#mediaPreviewBox .inset {
+  -moz-appearance: listbox;
+  margin-bottom: 0;
+}
+
+/* Feeds Tab */
+#feedPanel {
+  margin-left: 2px;
+  margin-right: 2px;
+}
+
+#feedtree {
+  margin-bottom: 0px;
+}
+
+#feedListbox richlistitem {
+  padding-top: 6px;
+  padding-bottom: 6px;
+  padding-inline-start: 7px;
+  padding-inline-end: 7px;
+  min-height: 25px;
+  border-bottom: 1px dotted #C0C0C0;
+  color: -moz-FieldText;
+}
+
+#feedListbox richlistitem[selected="true"] {
+  background-color: -moz-Dialog;
+  color: -moz-DialogText;
+}
+
+#feedListbox {
+  margin-bottom: 0;
+  border: 2px solid;
+  -moz-border-top-colors: ThreeDShadow ThreeDDarkShadow;
+  -moz-border-right-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-bottom-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-left-colors: ThreeDShadow ThreeDDarkShadow;
+}
+
+.feedTitle {
+  font-weight: bold;
+}
+
+/* Permissions Tab */
+#permPanel {
+  margin-left: 6px;
+  margin-right: 6px;
+}
+
+#permList {
+  -moz-appearance: listbox;
+  margin-top: .5em;
+  overflow: auto;
+  border: 2px solid;
+  -moz-border-top-colors: ThreeDShadow ThreeDDarkShadow;
+  -moz-border-right-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-bottom-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-left-colors: ThreeDShadow ThreeDDarkShadow;
+  background-color: -moz-field;
+  color: -moz-FieldText;
+}
+
+.permission {
+  padding-top: 6px;
+  padding-bottom: 6px;
+  padding-inline-start: 7px;
+  padding-inline-end: 7px;
+  min-height: 25px;
+  border-bottom: 1px dotted #C0C0C0;
+}
+
+.permissionLabel {
+  font-weight: bold;
+}
+
+.permission:hover {
+  background-color: -moz-dialog;
+  color: -moz-DialogText;
+}
+
+/* Security Tab */
+#securityPanel .caption-icon {
+  display: none;
+}
+
+#securityPanel .header {
+  font-size: 120%;
+}
+
+#securityPanel .fieldLabel {
+  margin: 2px 10px 3px;
+}
+
+#securityPanel .fieldValue {
+  font-weight: bold;
+  margin: 2px 10px 3px;
+}
+
+#securityPanel row {
+  -moz-box-align: center;
+}

browser/themes/linux/places/editBookmarkOverlay.css

@@ -0,0 +1,71 @@
+%if 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/. */
+%endif
+/**** folder menulist ****/
+.folder-icon > .menulist-label-box > .menulist-icon {
+  width: 16px;
+  height: 16px;
+}
+
+.folder-icon > .menu-iconic-left {
+  display: -moz-box;
+}
+
+.folder-icon {
+  list-style-image: url("moz-icon://stock/gtk-directory?size=menu") !important;
+}
+
+
+/**** expanders ****/
+
+.expander-up,
+.expander-down {
+  min-width: 0;
+  padding: 2px 0;
+  padding-inline-start: 2px;
+}
+
+.expander-up > .button-box {
+  -moz-appearance: button-arrow-up;
+}
+
+.expander-down > .button-box {
+  -moz-appearance: button-arrow-down;
+}
+
+#editBookmarkPanelContent {
+  min-width: 23em;
+}
+
+#editBMPanel_folderTree {
+  margin-top: 2px;
+  margin-bottom: 2px;
+}
+
+/* Hide the value column of the tag autocomplete popup
+ * leaving only the comment column visible. This is
+ * so that only the tag being edited is shown in the
+ * popup.
+ */
+#editBMPanel_tagsField #treecolAutoCompleteValue {
+  visibility: collapse;
+}
+
+
+/* Bookmark panel dropdown menu items */
+#editBMPanel_folderMenuList[selectedIndex="0"],
+#editBMPanel_toolbarFolderItem {
+  list-style-image: url("chrome://browser/skin/places/bookmarksToolbar.png") !important;  
+}
+
+#editBMPanel_folderMenuList[selectedIndex="1"],
+#editBMPanel_bmRootItem {
+  list-style-image: url("chrome://browser/skin/places/bookmarksMenu.png") !important;  
+}
+
+#editBMPanel_folderMenuList[selectedIndex="2"],
+#editBMPanel_unfiledRootItem {
+  list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png") !important;  
+}

browser/themes/linux/places/organizer.css

@@ -0,0 +1,103 @@
+/* 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/. */
+
+
+/* Toolbar */
+#placesToolbar {
+  -moz-appearance: menubar;
+}
+
+#placesToolbar:-moz-system-metric(menubar-drag) {
+  -moz-binding: url("chrome://global/content/bindings/toolbar.xml#toolbar-drag");
+}
+
+#placesToolbar > toolbarbutton {
+  color: -moz-menubartext;
+}
+
+#placesToolbar > toolbarbutton:hover {
+  color: ButtonText;
+}
+
+#placesToolbar > toolbarbutton[disabled=true] {
+  color: GrayText;
+}
+
+/* back button */
+
+#back-button {
+  list-style-image: url("moz-icon://stock/gtk-go-back-ltr?size=toolbar");
+}
+#back-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-back-ltr?size=toolbar&state=disabled");
+}
+
+#back-button:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-back-rtl?size=toolbar");
+}
+#back-button[disabled="true"]:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-back-rtl?size=toolbar&state=disabled");
+}
+
+/* forward button */
+
+#forward-button {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar");
+}
+#forward-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar&state=disabled");
+}
+
+#forward-button:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=toolbar");
+}
+#forward-button[disabled="true"]:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=toolbar&state=disabled");
+}
+
+/* Menu */
+#placesMenu {
+  -moz-appearance: none;
+  border: none;
+}
+
+#placesMenu > menu {
+  padding-inline-start: 4px;
+  -moz-binding: url("chrome://browser/skin/places/organizer.xml#toolbarbutton-dropdown");
+  -moz-appearance: toolbarbutton;
+}
+
+#placesMenu > menu:active,
+#placesMenu > menu:hover,
+#placesMenu > menu[open] {
+  color: ButtonText;
+}
+
+#placesMenu > menu > .menubar-right {
+  -moz-appearance: toolbarbutton-dropdown;
+  width: 12px;
+  height: 12px;
+}
+
+/* Root View */
+#placesView {
+  background-color: Window;
+}
+
+/* Info box */
+#detailsDeck {
+  padding: 5px;
+}
+
+#infoBoxExpanderLabel {
+  padding-inline-start: 2px;
+}
+
+/**
+ * Downloads pane
+ */
+
+#clearDownloadsButton > .toolbarbutton-icon {
+  display: none;
+}

browser/themes/linux/places/organizer.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<bindings id="organizerBindings"
+          xmlns="http://www.mozilla.org/xbl"
+          xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+          xmlns:xbl="http://www.mozilla.org/xbl">
+
+  <binding id="toolbarbutton-dropdown"
+           extends="chrome://global/content/bindings/menu.xml#menu-base">
+    <content>
+      <xul:image class="menubar-left" xbl:inherits="src=image"/>
+      <xul:label class="menubar-text" xbl:inherits="value=label,accesskey,crop" crop="right"/>
+      <xul:hbox class="menubar-right"/>
+      <children includes="menupopup"/>
+    </content>
+  </binding>
+</bindings>

browser/themes/linux/places/places.css

@@ -0,0 +1,122 @@
+/* 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/. */
+
+/* Sidebars */
+.sidebar-placesTree {
+  margin: 0;
+}
+
+.sidebar-placesTreechildren::-moz-tree-cell(leaf) ,
+.sidebar-placesTreechildren::-moz-tree-image(leaf) {
+  cursor: pointer;
+}
+
+.sidebar-placesTreechildren::-moz-tree-cell-text(leaf, hover) {
+  cursor: pointer;
+  text-decoration: underline;
+}
+
+.sidebar-placesTreechildren::-moz-tree-cell(separator) {
+  cursor: default;
+}
+
+/* Trees */
+treechildren::-moz-tree-image(title) {
+  padding-right: 2px;
+  margin: 0px 2px;
+  width: 16px;
+  height: 16px;
+  list-style-image: url("chrome://mozapps/skin/places/defaultFavicon.png");
+}
+
+treechildren::-moz-tree-image(title, livemarkItem) {
+  list-style-image: url("chrome://browser/skin/places/livemark-item.png");
+  -moz-image-region: rect(0px, 16px, 16px, 0px);
+}
+
+treechildren::-moz-tree-image(title, livemarkItem, visited) {
+  -moz-image-region: rect(0px, 32px, 16px, 16px);
+}
+
+treechildren::-moz-tree-image(title, separator) {
+  list-style-image: none;
+  width: 0;
+  height: 0;
+}
+
+treechildren::-moz-tree-image(title, container) {
+  list-style-image: url("moz-icon://stock/gtk-directory?size=menu");
+}
+
+treechildren::-moz-tree-image(title, container, livemark) {
+  list-style-image: url("chrome://browser/skin/feeds/feedIcon16.png");
+  -moz-image-region: auto;
+}
+
+treechildren::-moz-tree-image(container, OrganizerQuery_AllBookmarks) {
+  list-style-image: url("chrome://browser/skin/Toolbar-small.png");
+  -moz-image-region: rect(0px 48px 16px 32px);
+}
+
+treechildren::-moz-tree-image(container, OrganizerQuery_BookmarksToolbar) {
+  list-style-image: url("chrome://browser/skin/places/bookmarksToolbar.png");
+  -moz-image-region: auto;
+}
+
+treechildren::-moz-tree-image(container, OrganizerQuery_BookmarksMenu) {
+  list-style-image: url("chrome://browser/skin/places/bookmarksMenu.png");
+  -moz-image-region: auto;
+}
+
+treechildren::-moz-tree-image(container, OrganizerQuery_UnfiledBookmarks) {
+  list-style-image: url("chrome://browser/skin/places/unsortedBookmarks.png");
+  -moz-image-region: auto;
+}
+
+/* query-nodes should be styled even if they're not expandable */
+treechildren::-moz-tree-image(title, query) {
+  list-style-image: url("chrome://browser/skin/places/query.png");
+}
+
+treechildren::-moz-tree-image(query, OrganizerQuery_Downloads) {
+  list-style-image: url("chrome://browser/skin/places/downloads.png");
+  -moz-image-region: auto;
+}
+
+treechildren::-moz-tree-image(title, query, tagContainer),
+treechildren::-moz-tree-image(query, OrganizerQuery_Tags) {
+  list-style-image: url("chrome://browser/skin/places/tag.png");
+}
+
+/* calendar icon for folders grouping items by date */
+treechildren::-moz-tree-image(title, query, dayContainer) {
+  list-style-image: url("chrome://browser/skin/places/calendar.png");
+}
+
+treechildren::-moz-tree-image(title, query, hostContainer) {
+  list-style-image: url("moz-icon://stock/gtk-directory?size=menu");
+}
+
+treechildren::-moz-tree-image(title, query, hostContainer, open) {
+  list-style-image: url("moz-icon://stock/gtk-directory?size=menu");
+}
+
+treechildren::-moz-tree-image(title, query, OrganizerQuery_History) {
+  list-style-image: url("chrome://browser/skin/Toolbar-small.png");
+  -moz-image-region: rect(0px 32px 16px 16px);
+}
+
+/* We want some queries to look like ordinary folders. This must come
+   after the (title, query) selector, or it would get overridden. */
+treechildren::-moz-tree-image(title, query, folder) {
+  list-style-image: url("moz-icon://stock/gtk-directory?size=menu");
+}
+
+treechildren::-moz-tree-image(cutting) {
+  opacity: 0.5;
+}
+
+treechildren::-moz-tree-cell-text(cutting) {
+  opacity: 0.7;
+}

browser/themes/linux/preferences/applications.css

@@ -0,0 +1,66 @@
+/* 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/. */
+
+/**
+ * Line up the actions menu with action labels above and below it.
+ * Equalize the distance from the left side of the action box to the left side
+ * of the icon for both the menu and the non-menu versions of the action box.
+ * Also make sure the labels are the same distance away from the icons.
+ */
+.actionsMenu {
+  margin-top: -1px;
+  margin-bottom: -1px;
+  margin-inline-start: -1px;
+  margin-inline-end: 0;
+}
+
+.typeIcon,
+.actionIcon {
+  margin-inline-start: 3px;
+  margin-inline-end: 3px;
+}
+
+#handlersView > richlistitem label {
+  margin-inline-start: 1px;
+  margin-top: 2px;
+}
+
+#handlersView > richlistitem {
+  min-height: 25px;
+}
+
+richlistitem[appHandlerIcon="ask"],
+menuitem[appHandlerIcon="ask"] {
+  list-style-image: url("chrome://browser/skin/preferences/alwaysAsk.png");
+}
+
+richlistitem[appHandlerIcon="save"],
+menuitem[appHandlerIcon="save"] {
+  list-style-image: url("moz-icon://stock/gtk-save?size=menu");
+}
+
+richlistitem[appHandlerIcon="feed"],
+menuitem[appHandlerIcon="feed"] {
+  list-style-image: url("chrome://browser/skin/page-livemarks.png");
+}
+
+richlistitem[appHandlerIcon="plugin"],
+menuitem[appHandlerIcon="plugin"] {
+  list-style-image: url("chrome://mozapps/skin/plugins/pluginGeneric-16.png");
+}
+
+.actionsMenu .menulist-icon {
+  margin-inline-end: 1px;
+  height: 16px;
+  width: 16px;
+}
+
+.actionsMenu > menupopup > menuitem > .menu-iconic-left {
+  padding-inline-start: 0;
+  padding-inline-end: 4px !important;
+}
+
+.actionsMenu > menupopup > menuitem {
+  padding-inline-start: 3px;
+}

browser/themes/linux/preferences/in-content/dialog.css

@@ -0,0 +1,19 @@
+/* - 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/. */
+
+%include ../../../shared/incontentprefs/dialog.inc.css
+
+label:not(.menu-text),
+textbox,
+description,
+.tab-text,
+caption > label {
+  font-size: 1.2em;
+}
+
+/* Create a separate rule to unset these styles on .tree-input instead of
+   using :not(.tree-input) so the selector specifity doesn't change. */
+textbox.tree-input {
+  font-size: unset;
+}

browser/themes/linux/preferences/in-content/preferences.css

@@ -0,0 +1,48 @@
+/* - 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/. */
+
+%include ../../../shared/incontentprefs/preferences.inc.css
+
+.treecol-sortdirection {
+  /* override the Linux only toolkit rule */
+  -moz-appearance: none;
+}
+
+.actionsMenu {
+  font-family: "Clear Sans", sans-serif;
+  font-size: 1.25rem;
+  line-height: 22px;
+}
+
+.actionsMenu > .menulist-label-box > .menulist-icon {
+  margin-top: 1px;
+  margin-inline-start: 1px;
+  margin-inline-end: 6px;
+}
+
+.actionsMenu > .menulist-label-box > .menulist-label {
+  margin-top: 2px !important;
+}
+
+#fxaProfileImage {
+  -moz-user-focus: normal;
+}
+
+menulist.actionsMenu > .menulist-dropmarker {
+  margin-top: 11px;
+  margin-bottom: 11px;
+}
+
+textbox + button,
+filefield + button {
+  margin-inline-start: -4px;
+}
+
+/**
+ * Dialog
+ */
+
+#dialogTitle {
+  font-size: 1em;
+}

browser/themes/linux/preferences/preferences.css

@@ -0,0 +1,106 @@
+/*
+# -*- 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 */
+.checkbox-check {
+  -moz-appearance: checkbox;
+}
+
+/* General Pane */
+#useFirefoxSync,
+#getStarted {
+  font-size: 90%;
+}
+
+#isNotDefaultLabel {
+  font-weight: bold;
+}
+
+/* Content Pane */
+#translationAttributionImage {
+  width: 70px;
+  cursor: pointer;
+}
+
+/* Modeless Window Dialogs */
+.windowDialog,
+.windowDialog prefpane {
+  padding: 0px;
+}
+
+.contentPane {
+  margin: 9px 8px 5px 8px;
+}
+
+.actionButtons {
+  margin: 0px 3px 6px 3px !important;
+}
+
+/* Cookies Manager */
+#cookiesChildren::-moz-tree-image(domainCol) {
+  width: 16px;
+  height: 16px;
+  margin: 0px 2px;
+  list-style-image: url("chrome://mozapps/skin/places/defaultFavicon.png");
+}
+
+#linksOpenInBox {
+  margin-top: 5px;
+}
+
+#advancedPrefs {
+  margin-left: 0;
+  margin-right: 0; 
+}
+
+#cookiesChildren::-moz-tree-image(domainCol, container) {
+  list-style-image: url("moz-icon://stock/gtk-directory?size=menu");
+}
+
+#cookieInfoBox {
+  border: 1px solid ThreeDShadow;
+  border-radius: 0px;
+  margin: 4px;
+  padding: 0px;
+}
+
+/* bottom-most box containing a groupbox in a prefpane. Prevents the bottom
+   of the groupbox from being cutoff */
+.bottomBox {
+  padding-bottom: 4px;
+}
+
+/**
+ * Clear Private Data
+ */
+#SanitizeDialogPane > groupbox {
+  margin-top: 0;
+}
+
+/* Sync Pane */
+
+#syncDesc {
+  padding: 0 8em;
+}
+
+#accountCaptionImage {
+  list-style-image: url("chrome://mozapps/skin/profile/profileicon.png");
+}
+
+#syncAddDeviceLabel {
+  margin-top: 1em;
+  margin-bottom: 1em;
+}
+
+#noFxaAccount {
+  margin: 5px;
+  line-height: 1.2em;
+}
+
+#noFxaAccount > label:first-child {
+  margin-bottom: 0.6em;
+}

browser/themes/linux/sanitizeDialog.css

@@ -0,0 +1,107 @@
+/* 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/. */
+
+#sanitizeDurationChoice {
+  margin-inline-end: 0;
+}
+
+/* Align the duration label with the warning box and item list */
+#sanitizeDurationLabel {
+  margin-inline-start: 3px;
+}
+
+
+/* Hide the duration dropdown suffix label if it's empty.  Otherwise it
+   takes up a little space, causing the end of the dropdown to not be aligned
+   with the warning box. */
+#sanitizeDurationSuffixLabel[value=""] {
+  display: none;
+}
+
+
+/* Places tree */
+#placesTreechildren::-moz-tree-row(selected),
+#placesTreechildren::-moz-tree-row(grippyRow) {
+  background: #999;
+}
+
+#placesTreechildren::-moz-tree-cell-text(selected) {
+  color: #111;
+}
+
+
+/* Sanitize everything warning box */
+#sanitizeEverythingWarningBox {
+  background-color: Window;
+  border: 1px solid ThreeDDarkShadow;
+  border-radius: 5px;
+  padding: 16px;
+}
+
+#sanitizeEverythingWarningIcon {
+  list-style-image: url("moz-icon://stock/gtk-dialog-warning?size=dialog");
+  padding: 0;
+  margin: 0;
+}
+
+#sanitizeEverythingWarningDescBox {
+  padding: 0 16px;
+  margin: 0;
+}
+
+
+/* Progressive disclosure button */
+#detailsExpanderWrapper {
+  padding: 0;
+  margin-top: 6px;
+  margin-bottom: 6px;
+  margin-inline-start: -4px;
+  margin-inline-end: 0;
+}
+
+.expander-up,
+.expander-down {
+  min-width: 0;
+  padding: 2px 0;
+  padding-inline-start: 2px;
+}
+
+.expander-up {
+  list-style-image: url("chrome://global/skin/arrow/arrow-up.gif");
+}
+
+.expander-down {
+  list-style-image: url("chrome://global/skin/arrow/arrow-dn.gif");
+}
+
+.expander-down:hover:active {
+  list-style-image: url("chrome://global/skin/arrow/arrow-dn-hov.gif");
+}
+
+.expander-up:hover:active {
+  list-style-image: url("chrome://global/skin/arrow/arrow-up-hov.gif");
+}
+
+
+/* Make the item list the same width as the warning box */
+#itemList {
+  margin-inline-start: 0;
+  margin-inline-end: 0;
+}
+
+/* Without this a useless scrollbar appears in the listbox when its rows
+   attribute is set to the total number of listitems, as it is currently.  See
+   bug 489958 comment 14 and bug 491788. */
+#itemList > listitem {
+  padding: 1px 0;
+}
+
+
+/* Align the last dialog button with the end of the warning box */
+.prefWindow-dlgbuttons {
+  margin-inline-end: 0;
+}
+.dialog-button[dlgtype="accept"] {
+  margin-inline-end: 0;
+}

browser/themes/linux/searchbar.css

@@ -0,0 +1,336 @@
+/* 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/. */
+
+#PopupSearchAutoComplete {
+  /* JS code forces the panel to have the width of the searchbar rather than
+   * the width of the textfield. Alignment of the panel with the searchbar is
+   * obtained with negative margins here: margin-inline-start when the text
+   * field is in the same direction as the rest of the UI, margin-inline-end
+   * when the textfield's direction has been reversed.
+   * (eg. using ctrl+shift+X) */
+  margin-inline-start: -23px;
+  margin-inline-end: -16px;
+}
+
+.autocomplete-textbox-container {
+  -moz-box-align: stretch;
+}
+
+.textbox-input-box {
+  margin: 0;
+}
+
+/* Engine button */
+.searchbar-engine-image {
+  height: 16px;
+  width: 16px;
+  list-style-image: url("chrome://mozapps/skin/places/defaultFavicon.png");
+  margin-inline-start: -1px;
+}
+
+/* Search go button */
+.search-go-container {
+  -moz-box-align: center;
+}
+
+.search-go-button {
+  padding: 1px;
+  list-style-image: url("chrome://browser/skin/reload-stop-go.png");
+  -moz-image-region: rect(0, 42px, 14px, 28px);
+  width: 14px;
+}
+
+.search-go-button:hover {
+  -moz-image-region: rect(14px, 42px, 28px, 28px);
+}
+
+.search-go-button:hover:active {
+  -moz-image-region: rect(28px, 42px, 42px, 28px);
+}
+
+.search-go-button:-moz-locale-dir(rtl) {
+  transform: scaleX(-1);
+}
+
+menuitem[cmd="cmd_clearhistory"] {
+  list-style-image: url("moz-icon://stock/gtk-clear?size=menu");
+}
+
+menuitem[cmd="cmd_clearhistory"][disabled] {
+  list-style-image: url("moz-icon://stock/gtk-clear?size=menu&state=disabled");
+}
+
+.searchbar-search-button-container {
+  -moz-box-align: center;
+}
+
+.searchbar-search-button {
+  list-style-image: url("chrome://browser/skin/search-indicator.png");
+  -moz-image-region: rect(0, 20px, 20px, 0);
+  margin-top: 1px;
+  margin-bottom: 1px;
+  margin-inline-start: 2px;
+  width: 20px;
+}
+
+.searchbar-search-button[addengines="true"] {
+  list-style-image: url("chrome://browser/skin/search-indicator-badge-add.png");
+}
+
+.searchbar-search-button:hover {
+  -moz-image-region: rect(0, 40px, 20px, 20px);
+}
+
+.searchbar-search-button:hover:active {
+  -moz-image-region: rect(0, 60px, 20px, 40px);
+}
+
+@media (min-resolution: 1.1dppx) {
+  .searchbar-engine-image {
+    list-style-image: url("chrome://mozapps/skin/places/defaultFavicon@2x.png");
+  }
+
+  .searchbar-search-button {
+    list-style-image: url("chrome://browser/skin/search-indicator@2x.png");
+    -moz-image-region: rect(0, 40px, 40px, 0);
+  }
+
+  .searchbar-search-button[addengines="true"] {
+    list-style-image: url("chrome://browser/skin/search-indicator-badge-add@2x.png");
+  }
+
+  .searchbar-search-button:hover {
+    -moz-image-region: rect(0, 80px, 40px, 40px);
+  }
+
+  .searchbar-search-button:hover:active {
+    -moz-image-region: rect(0, 120px, 40px, 80px);
+  }
+
+  .search-go-button {
+    list-style-image: url("chrome://browser/skin/reload-stop-go@2x.png");
+    -moz-image-region: rect(0, 84px, 28px, 56px);
+  }
+
+  .search-go-button:hover {
+    -moz-image-region: rect(28px, 84px, 56px, 56px);
+  }
+
+  .search-go-button:hover:active {
+    -moz-image-region: rect(56px, 84px, 84px, 56px);
+  }
+}
+
+.search-panel-current-engine {
+  -moz-box-align: center;
+}
+
+/**
+ * The borders of the various elements are specified as follows.
+ *
+ * The current engine always has a bottom border.
+ * The search results never have a border.
+ *
+ * When the search results are not collapsed:
+ * - The elements underneath the search results all have a top border.
+ *
+ * When the search results are collapsed:
+ * - The elements underneath the search results all have a bottom border, except
+ *   the lowest one: search-setting-button.
+ */
+
+.search-panel-current-engine {
+  border-top: none !important;
+  border-bottom: 1px solid var(--panel-separator-color) !important;
+}
+
+.search-panel-tree[collapsed=true] + .search-one-offs > .search-panel-header,
+.search-panel-tree[collapsed=true] + .search-one-offs > .search-panel-one-offs,
+.search-panel-tree[collapsed=true] + .search-one-offs > vbox > .addengine-item:first-of-type {
+  border-top: none !important;
+}
+
+.search-panel-tree[collapsed=true] + .search-one-offs > .searchbar-engine-one-off-item,
+.search-panel-tree[collapsed=true] + .search-one-offs > .search-panel-current-input,
+.search-panel-tree[collapsed=true] + .search-one-offs > .search-panel-one-offs,
+.search-panel-tree[collapsed=true] + .search-one-offs > vbox > .addengine-item:last-of-type {
+  border-bottom: 1px solid var(--panel-separator-color) !important;
+}
+
+.search-panel-header {
+  font-weight: normal;
+  background-color: var(--arrowpanel-dimmed);
+  border: none;
+  border-top: 1px solid var(--panel-separator-color);
+  padding: 3px 5px;
+  color: GrayText;
+}
+
+.search-panel-header > label {
+  margin-top: 2px !important;
+  margin-bottom: 1px !important;
+}
+
+.search-panel-current-input > label {
+  margin: 2px 0 1px !important;
+}
+
+.search-panel-input-value {
+  color: -moz-fieldtext;
+}
+
+.search-panel-one-offs {
+  margin: 0 !important;
+  border-top: 1px solid var(--panel-separator-color);
+}
+
+.searchbar-engine-one-off-item {
+  -moz-appearance: none;
+  display: inline-block;
+  border: none;
+  min-width: 48px;
+  height: 32px;
+  margin: 0;
+  padding: 0;
+  background: linear-gradient(transparent 15%, var(--panel-separator-color) 15%, var(--panel-separator-color) 85%, transparent 85%);
+  background-size: 1px auto;
+  background-repeat: no-repeat;
+  background-position: right center;
+  color: GrayText;
+}
+
+.searchbar-engine-one-off-item:-moz-locale-dir(rtl) {
+  background-position: left center;
+}
+
+.searchbar-engine-one-off-item:not(.last-row) {
+  box-sizing: content-box;
+  border-bottom: 1px solid var(--panel-separator-color);
+}
+
+.search-setting-button-compact {
+  border-bottom: none !important;
+}
+
+.search-panel-one-offs:not([compact=true]) > .searchbar-engine-one-off-item.last-of-row,
+.search-panel-one-offs[compact=true] > .searchbar-engine-one-off-item.last-of-row:not(.dummy),
+.search-panel-one-offs[compact=true] > .searchbar-engine-one-off-item.dummy:not(.last-of-row),
+.search-panel-one-offs[compact=true] > .searchbar-engine-one-off-item.last-engine,
+.search-setting-button-compact {
+  background-image: none;
+}
+
+.searchbar-engine-one-off-item[selected] {
+  background-color: Highlight;
+  background-image: none;
+  color: HighlightText;
+}
+
+.searchbar-engine-one-off-item > .button-box {
+  border: none;
+  padding: 0;
+}
+
+.searchbar-engine-one-off-item > .button-box > .button-text {
+  display: none;
+}
+
+.searchbar-engine-one-off-item > .button-box > .button-icon {
+  display: -moz-box;
+  margin-inline-end: 0;
+  width: 16px;
+  height: 16px;
+}
+
+.addengine-item {
+  -moz-appearance: none;
+  background-color: transparent;
+  color: inherit;
+  border: none;
+  height: 32px;
+  margin: 0;
+  padding: 0 10px;
+}
+
+.addengine-item > .button-box {
+  -moz-box-pack: start;
+}
+
+.addengine-item:first-of-type {
+  border-top: 1px solid var(--panel-separator-color);
+}
+
+.addengine-item[selected] {
+  background-color: Highlight;
+  color: HighlightText;
+}
+
+.addengine-icon {
+  width: 16px;
+}
+
+.addengine-badge {
+  width: 16px;
+  height: 16px;
+  margin: -7px -9px 7px 9px;
+  list-style-image: url("chrome://browser/skin/badge-add-engine.png");
+}
+
+.addengine-item > .button-box > .button-text {
+  -moz-box-flex: 1;
+  text-align: start;
+  padding-inline-start: 10px;
+}
+
+.addengine-item:not([image]) {
+  list-style-image: url("chrome://browser/skin/search-engine-placeholder.png");
+}
+
+@media (min-resolution: 1.1dppx) {
+  .addengine-badge {
+    list-style-image: url("chrome://browser/skin/badge-add-engine@2x.png");
+  }
+
+  .addengine-item:not([image]) {
+    list-style-image: url("chrome://browser/skin/search-engine-placeholder@2x.png");
+  }
+}
+
+.search-panel-tree > .autocomplete-treebody::-moz-tree-cell {
+  border-top: none !important;
+}
+
+.search-panel-tree > .autocomplete-treebody::-moz-tree-cell-text {
+  padding-inline-start: 4px;
+}
+
+.search-panel-tree > .autocomplete-treebody::-moz-tree-image {
+  padding-inline-start: 5px;
+  width: 14px;
+  height: 14px;
+}
+
+.search-panel-tree > .autocomplete-treebody::-moz-tree-image(fromhistory) {
+  list-style-image: url("chrome://browser/skin/search-history-icon.svg#search-history-icon");
+}
+
+.search-panel-tree > .autocomplete-treebody::-moz-tree-image(fromhistory, selected) {
+  list-style-image: url("chrome://browser/skin/search-history-icon.svg#search-history-icon-active");
+}
+
+.search-setting-button {
+  -moz-appearance: none;
+  margin: 0;
+  min-height: 32px;
+}
+
+.search-setting-button[selected] {
+  background-color: var(--arrowpanel-dimmed-further);
+}
+
+.search-setting-button-compact > .button-box > .button-icon {
+  list-style-image: url("chrome://browser/skin/gear.svg");
+  filter: url(chrome://browser/skin/filters.svg#fill);
+  fill: currentColor;
+}

browser/themes/linux/setDesktopBackground.css

@@ -0,0 +1,18 @@
+/* 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/. */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+html|canvas#screen {
+  margin: 12px 11px 32px;
+}
+
+#monitor {
+  list-style-image: url("chrome://browser/skin/monitor.png");
+}
+
+#monitor[aspectratio="16:10"] {
+  list-style-image: url("chrome://browser/skin/monitor_16-10.png");
+}

browser/themes/linux/syncCommon.css

@@ -0,0 +1,49 @@
+/* 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/. */
+
+/* The following are used by both sync/setup.xul and sync/genericChange.xul */
+.status {
+  color: -moz-dialogtext;
+}
+
+.statusIcon {
+  margin-inline-start: 4px;
+  max-height: 16px;
+  max-width: 16px;
+}
+
+.statusIcon[status="active"] {
+  list-style-image: url("chrome://global/skin/icons/loading.png");
+}
+
+.statusIcon[status="error"] {
+  list-style-image: url("moz-icon://stock/gtk-dialog-error?size=menu");
+}
+
+.statusIcon[status="success"] {
+  list-style-image: url("moz-icon://stock/gtk-dialog-info?size=menu");
+}
+
+/* .data is only used by sync/genericChange.xul, but it seems unnecessary to have
+   a separate stylesheet for it. */
+.data {
+  font-size: 90%;
+  font-weight: bold;
+}
+
+dialog#change-dialog {
+  width: 40em;
+}
+
+image#syncIcon {
+  list-style-image: url("chrome://browser/skin/sync-32.png");
+}
+
+#introText {
+  margin-top: 2px;
+}
+
+#feedback {
+  height: 2em;
+}

browser/themes/linux/syncQuota.css

@@ -0,0 +1,26 @@
+/* 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/. */
+
+#quotaDialog {
+  width: 33em;
+  height: 25em;
+}
+
+treechildren::-moz-tree-checkbox {
+  list-style-image: none;
+}
+treechildren::-moz-tree-checkbox(checked) {
+  list-style-image: url("chrome://global/skin/checkbox/cbox-check.gif");
+}
+treechildren::-moz-tree-checkbox(disabled) {
+  list-style-image: url("chrome://global/skin/checkbox/cbox-check-dis.gif");
+}
+
+#treeCaption {
+  height: 4em;
+}
+
+.captionWarning {
+  font-weight: bold;
+}