Merge branch 'master' of https://github.com/MoonchildProductions/UXP into _testBranch_test_1

42 files changed, 1696 insertions, 978 deletions

diff --git a/toolkit/themes/linux/global/global.css b/toolkit/themes/linux/global/global.css
index 1f9e7e458..9328f7a66 100644
--- a/toolkit/themes/linux/global/global.css
+++ b/toolkit/themes/linux/global/global.css
@@ -316,6 +316,7 @@ popupnotificationcontent {
 
 /* :::::: Close button icons ::::: */
 
+%ifdef MOZ_AUSTRALIS
 .close-icon {
   -moz-appearance: none;
   height: 16px;
@@ -332,3 +333,8 @@ popupnotificationcontent {
 .close-icon:hover:active {
   background-image: -moz-image-rect(url("chrome://global/skin/icons/close.svg"), 0, 48, 16, 32);
 }
+%else
+.close-icon {
+  list-style-image: url("moz-icon://stock/gtk-close?size=menu");
+}
+%endif
diff --git a/toolkit/themes/linux/global/icons/loading_16.png b/toolkit/themes/linux/global/icons/loading_16.png
new file mode 100644
index 000000000..7108ea341
--- /dev/null
+++ b/toolkit/themes/linux/global/icons/loading_16.png
diff --git a/toolkit/themes/linux/global/icons/notloading_16.png b/toolkit/themes/linux/global/icons/notloading_16.png
new file mode 100644
index 000000000..04dab30ed
--- /dev/null
+++ b/toolkit/themes/linux/global/icons/notloading_16.png
diff --git a/toolkit/themes/linux/global/inContentUI.css b/toolkit/themes/linux/global/inContentUI.css
new file mode 100644
index 000000000..afcef9274
--- /dev/null
+++ b/toolkit/themes/linux/global/inContentUI.css
@@ -0,0 +1,41 @@
+/* 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 default namespace for this file is XUL. Be sure to prefix rules that
+ * are applicable to both XUL and HTML with '*|'.
+ */
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+/* Page background */
+*|*:root {
+  -moz-appearance: none;
+  padding: 18px;
+  background-color: Window;
+  background-image: /* Texture */
+                    url("chrome://global/skin/inContentUI/background-texture.png");
+  color: WindowText;
+}
+
+/* Use the new in-content colors for #contentAreaDownloadsView. After landing
+   of bug 989469 the colors can be moved to *|*:root */
+*|*#contentAreaDownloadsView {
+  background: #f1f1f1;
+  color: #424e5a;
+}
+
+html|html {
+  font: message-box;
+}
+
+/* Content */
+*|*.main-content {
+  /* Needed to allow the radius to clip the inner content, see bug 595656 */
+  overflow: hidden;
+  background-color: -moz-Field;
+  color: -moz-FieldText;
+  border: 1px solid ThreeDShadow;
+  border-radius: 5px;
+}
diff --git a/toolkit/themes/linux/global/jar.mn b/toolkit/themes/linux/global/jar.mn
index b0d0b9ddb..b161f8cae 100644
--- a/toolkit/themes/linux/global/jar.mn
+++ b/toolkit/themes/linux/global/jar.mn
@@ -14,8 +14,9 @@ toolkit.jar:
    skin/classic/global/filepicker.css
    skin/classic/global/Filepicker.png                          (filepicker/Filepicker.png)
    skin/classic/global/findBar.css
-   skin/classic/global/global.css
+*  skin/classic/global/global.css
    skin/classic/global/groupbox.css
+   skin/classic/global/inContentUI.css
    skin/classic/global/listbox.css
    skin/classic/global/menu.css
    skin/classic/global/menulist.css
@@ -44,6 +45,8 @@ toolkit.jar:
    skin/classic/global/icons/blacklist_large.png               (icons/blacklist_large.png)
    skin/classic/global/icons/close.svg                         (icons/close.svg)
    skin/classic/global/icons/find.png                          (icons/find.png)
+   skin/classic/global/icons/loading_16.png                    (icons/loading_16.png)
+   skin/classic/global/icons/notloading_16.png                 (icons/notloading_16.png)
    skin/classic/global/icons/resizer.png                       (icons/resizer.png)
    skin/classic/global/icons/sslWarning.png                    (icons/sslWarning.png)
 
diff --git a/toolkit/themes/osx/global/icons/loading_16.png b/toolkit/themes/osx/global/icons/loading_16.png
new file mode 100644
index 000000000..1b2df8093
--- /dev/null
+++ b/toolkit/themes/osx/global/icons/loading_16.png
diff --git a/toolkit/themes/osx/global/icons/notloading_16.png b/toolkit/themes/osx/global/icons/notloading_16.png
new file mode 100644
index 000000000..ece0ee18a
--- /dev/null
+++ b/toolkit/themes/osx/global/icons/notloading_16.png
diff --git a/toolkit/themes/osx/global/inContentUI.css b/toolkit/themes/osx/global/inContentUI.css
new file mode 100644
index 000000000..17e2e6ae3
--- /dev/null
+++ b/toolkit/themes/osx/global/inContentUI.css
@@ -0,0 +1,144 @@
+/* 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.inc
+
+/*
+ * The default namespace for this file is XUL. Be sure to prefix rules that
+ * are applicable to both XUL and HTML with '*|'.
+ */
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+/* Page background */
+*|*:root {
+  -moz-appearance: none;
+  padding: 18px;
+  background-image: /* Texture */
+                    url("chrome://global/skin/inContentUI/background-texture.png"),
+                    /* Gradient */
+                    linear-gradient(#ADB5C2, #BFC6D1);
+}
+
+/* Use the new in-content colors for #contentAreaDownloadsView. After landing
+   of bug 989469 the colors can be moved to *|*:root */
+*|*#contentAreaDownloadsView {
+  background: #f1f1f1;
+  color: #424e5a;
+}
+
+html|html {
+  font: message-box;
+}
+
+/* Content */
+*|*.main-content {
+  /* Needed to allow the radius to clip the inner content, see bug 595656 */
+  overflow: hidden;
+  background-image: linear-gradient(rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.25) 50%, rgba(255, 255, 255, 0.05));
+  border: 1px solid rgba(50, 65, 92, 0.4);
+  border-radius: 5px;
+}
+
+/* Buttons */
+*|button,
+menulist,
+colorpicker[type="button"] {
+  -moz-appearance: none;
+  padding: 1px 4px;
+  min-width: 60px;
+  border-radius: 3px;
+  border: 1px solid rgba(60,73,97,0.5);
+  box-shadow: inset 0 1px rgba(255,255,255,0.25), 0 1px rgba(255,255,255,0.25);
+  background-color: transparent;
+  background-image: linear-gradient(rgba(255,255,255,0.45), rgba(255,255,255,0.2));
+  background-clip: padding-box;
+  color: #252F3B;
+  text-shadow: @loweredShadow@;
+}
+
+button:-moz-focusring > .button-box,
+menulist:-moz-focusring:not([open="true"]) > .menulist-label-box,
+colorpicker[type="button"]:-moz-focusring:not([open="true"]) > .colorpicker-button-colorbox {
+  outline: 1px dotted #252F3B;
+}
+
+html|button[disabled],
+button[disabled="true"],
+menulist[disabled="true"],
+colorpicker[type="button"][disabled="true"] {
+  opacity: 0.8;
+  color: #505050;
+}
+
+html|button:not([disabled]):active:hover,
+button:not([disabled="true"]):active:hover,
+menulist[open="true"]:not([disabled="true"]),
+colorpicker[type="button"][open="true"]:not([disabled="true"]) {
+  box-shadow: inset 0 1px 3px rgba(0,0,0,.2), 0 1px rgba(255,255,255,0.25);
+  background-image: linear-gradient(rgba(45,54,71,0.3), rgba(45,54,71,0.1));
+  border-color: rgba(60,73,97,0.7);
+}
+
+menulist {
+  -moz-padding-end: 0;
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+/* Tweak margins so the focus ring is in the right place. */
+menulist > .menulist-label-box {
+  -moz-margin-end: 3px;
+  margin-top: 1px;
+}
+
+menulist > .menulist-label-box > .menulist-label {
+  margin-top: 0px !important;
+  margin-bottom: 0px !important;
+}
+
+menulist > .menulist-dropmarker {
+  -moz-appearance: none;
+  display: -moz-box;
+  background: transparent;
+  border: none;
+  -moz-border-start: 1px solid rgba(60,73,97,0.5);
+  margin-top: -1px;
+  margin-bottom: -1px;
+}
+
+colorpicker[type="button"] {
+  margin: 1px 5px 2px 5px;
+  padding: 3px;
+  height: 25px;
+}
+
+spinbuttons {
+  -moz-appearance: none;
+}
+
+spinbuttons > .spinbuttons-box > .spinbuttons-button {
+  min-width: 12px;
+}
+
+.spinbuttons-button > .button-box > .button-text {
+  display: none;
+}
+
+.spinbuttons-button[disabled="true"] > .button-box > .button-icon {
+  opacity: 0.5;
+}
+
+spinbuttons > .spinbuttons-box > .spinbuttons-up {
+  list-style-image: url("chrome://global/skin/arrow/arrow-up.gif");
+  border-bottom-width: 0;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+spinbuttons > .spinbuttons-box > .spinbuttons-down {
+  list-style-image: url("chrome://global/skin/arrow/arrow-dn.gif");
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
diff --git a/toolkit/themes/osx/global/jar.mn b/toolkit/themes/osx/global/jar.mn
index 79bb062ab..2b7d19641 100644
--- a/toolkit/themes/osx/global/jar.mn
+++ b/toolkit/themes/osx/global/jar.mn
@@ -21,6 +21,7 @@ toolkit.jar:
 * skin/classic/global/findBar.css
 * skin/classic/global/global.css
   skin/classic/global/groupbox.css
+* skin/classic/global/inContentUI.css
   skin/classic/global/linkTree.css
   skin/classic/global/listbox.css
   skin/classic/global/menu.css
@@ -100,8 +101,10 @@ toolkit.jar:
   skin/classic/global/icons/information-32.png                       (icons/information-32.png)
   skin/classic/global/icons/information-64.png                       (icons/information-64.png)
   skin/classic/global/icons/information-large.png                    (icons/information-large.png)
+  skin/classic/global/icons/loading_16.png                           (icons/loading_16.png)
   skin/classic/global/icons/menulist-dropmarker.png                  (icons/menulist-dropmarker.png)
   skin/classic/global/icons/notfound.png                             (icons/notfound.png)
+  skin/classic/global/icons/notloading_16.png                        (icons/notloading_16.png)
   skin/classic/global/icons/panebutton-active.png                    (icons/panebutton-active.png)
   skin/classic/global/icons/panebutton-inactive.png                  (icons/panebutton-inactive.png)
   skin/classic/global/icons/panel-dropmarker.png                     (icons/panel-dropmarker.png)
diff --git a/toolkit/themes/shared/aboutReader.css b/toolkit/themes/shared/aboutReader.css
index 49436de84..4dbf11f6d 100644
--- a/toolkit/themes/shared/aboutReader.css
+++ b/toolkit/themes/shared/aboutReader.css
@@ -2,23 +2,13 @@
  * 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/. */
 
+/* Avoid adding ID selector rules in this style sheet, since they could
+ * inadvertently match elements in the article content. */
+
 body {
   padding: 64px 51px;
 }
 
-@media print {
-  #container {
-    max-width: 100% !important;
-    font-size: 14px !important;
-    font-family: Georgia, "Times New Roman", serif !important;
-  }
-
-  body {
-    padding-top: 0px;
-    padding-bottom: 0px;
-  }
-}
-
 body.loaded {
   transition: color 0.4s, background-color 0.4s;
 }
@@ -56,80 +46,80 @@ body.serif .remove-button  {
   font-family: Georgia, "Times New Roman", serif;
 }
 
-#container {
+.container {
   max-width: 30em;
   margin: 0 auto;
 }
 
-#container.font-size1 {
+.container.font-size1 {
   font-size: 12px;
 }
 
-#container.font-size2 {
+.container.font-size2 {
   font-size: 14px;
 }
 
-#container.font-size3 {
+.container.font-size3 {
   font-size: 16px;
 }
 
-#container.font-size4  {
+.container.font-size4  {
   font-size: 18px;
 }
 
-#container.font-size5 {
+.container.font-size5 {
   font-size: 20px;
 }
 
-#container.font-size6 {
+.container.font-size6 {
   font-size: 22px;
 }
 
-#container.font-size7 {
+.container.font-size7 {
   font-size: 24px;
 }
 
-#container.font-size8 {
+.container.font-size8 {
   font-size: 26px;
 }
 
-#container.font-size9 {
+.container.font-size9 {
   font-size: 28px;
 }
 
-#container.content-width1 {
+.container.content-width1 {
   max-width: 20em;
 }
 
-#container.content-width2 {
+.container.content-width2 {
   max-width: 25em;
 }
 
-#container.content-width3 {
+.container.content-width3 {
   max-width: 30em;
 }
 
-#container.content-width4  {
+.container.content-width4  {
   max-width: 35em;
 }
 
-#container.content-width5 {
+.container.content-width5 {
   max-width: 40em;
 }
 
-#container.content-width6 {
+.container.content-width6 {
   max-width: 45em;
 }
 
-#container.content-width7 {
+.container.content-width7 {
   max-width: 50em;
 }
 
-#container.content-width8 {
+.container.content-width8 {
   max-width: 55em;
 }
 
-#container.content-width9 {
+.container.content-width9 {
   max-width: 60em;
 }
 
@@ -176,3 +166,575 @@ body:not(.loaded) .toolbar:-moz-locale-dir(ltr) {
 body:not(.loaded) .toolbar:-moz-locale-dir(rtl) {
   transform: translateX(100%);
 }
+
+.light-button {
+  color: #333333;
+  background-color: #ffffff;
+}
+
+.dark-button {
+  color: #eeeeee;
+  background-color: #333333;
+}
+
+.sepia-button {
+  color: #5b4636;
+  background-color: #f4ecd8;
+}
+
+.sans-serif-button {
+  font-family: Helvetica, Arial, sans-serif;
+}
+
+.serif-button {
+  font-family: Georgia, "Times New Roman", serif;
+}
+
+/* Loading/error message */
+
+.reader-message {
+  margin-top: 40px;
+  display: none;
+  text-align: center;
+  width: 100%;
+  font-size: 0.9em;
+}
+
+/* Header */
+
+.header {
+  text-align: start;
+  display: none;
+}
+
+.domain {
+  font-size: 0.9em;
+  line-height: 1.48em;
+  padding-bottom: 4px;
+  font-family: Helvetica, Arial, sans-serif;
+  text-decoration: none;
+  border-bottom: 1px solid;
+  color: #0095dd;
+}
+
+.header > h1 {
+  font-size: 1.6em;
+  line-height: 1.25em;
+  width: 100%;
+  margin: 30px 0;
+  padding: 0;
+}
+
+.header > .credits {
+  font-size: 0.9em;
+  line-height: 1.48em;
+  margin: 0 0 10px 0;
+  padding: 0;
+  font-style: italic;
+}
+
+.header > .meta-data {
+  font-size: 0.65em;
+  margin: 0 0 15px 0;
+}
+
+/*======= Controls toolbar =======*/
+
+.toolbar {
+  font-family: Helvetica, Arial, sans-serif;
+  position: fixed;
+  height: 100%;
+  top: 0;
+  left: 0;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+  background-color: #fbfbfb;
+  -moz-user-select: none;
+  border-right: 1px solid #b5b5b5;
+  z-index: 1;
+}
+
+.button {
+  display: block;
+  background-size: 24px 24px;
+  background-repeat: no-repeat;
+  color: #333;
+  background-color: #fbfbfb;
+  height: 40px;
+  padding: 0;
+}
+
+.toolbar .button {
+  width: 40px;
+  background-position: center;
+  margin-right: -1px;
+  border-top: 0;
+  border-left: 0;
+  border-right: 1px solid #b5b5b5;
+  border-bottom: 1px solid #c1c1c1;
+}
+
+.button[hidden] {
+  display: none;
+}
+
+.dropdown {
+  text-align: center;
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.dropdown li {
+  margin: 0;
+  padding: 0;
+}
+
+/*======= Popup =======*/
+
+.dropdown-popup {
+  min-width: 300px;
+  text-align: start;
+  position: absolute;
+  left: 48px; /* offset to account for toolbar width */
+  z-index: 1000;
+  background-color: #fbfbfb;
+  visibility: hidden;
+  border-radius: 4px;
+  border: 1px solid #b5b5b5;
+  border-bottom-width: 0;
+  box-shadow: 0 1px 3px #c1c1c1;
+}
+
+.keep-open .dropdown-popup {
+  z-index: initial;
+}
+
+.dropdown-popup > hr {
+  display: none;
+}
+
+.open > .dropdown-popup {
+  visibility: visible;
+}
+
+.dropdown-arrow {
+  position: absolute;
+  top: 30px; /* offset arrow from top of popup */
+  left: -16px;
+  width: 16px;
+  height: 24px;
+  background-image: url("chrome://global/skin/reader/RM-Type-Controls-Arrow.svg");
+  display: block;
+}
+
+/*======= Font style popup =======*/
+
+.font-type-buttons,
+.font-size-buttons,
+.color-scheme-buttons,
+.content-width-buttons,
+.line-height-buttons {
+  display: flex;
+  flex-direction: row;
+}
+
+.font-type-buttons > button:first-child {
+  border-top-left-radius: 3px;
+}
+.font-type-buttons > button:last-child {
+  border-top-right-radius: 3px;
+}
+.color-scheme-buttons > button:first-child {
+  border-bottom-left-radius: 3px;
+}
+.color-scheme-buttons > button:last-child {
+  border-bottom-right-radius: 3px;
+}
+
+.font-type-buttons > button,
+.font-size-buttons > button,
+.color-scheme-buttons > button,
+.content-width-buttons > button,
+.line-height-buttons > button {
+  text-align: center;
+  border: 0;
+}
+
+.font-type-buttons > button,
+.font-size-buttons > button,
+.content-width-buttons > button,
+.line-height-buttons > button {
+  width: 50%;
+  background-color: transparent;
+  border-left: 1px solid #B5B5B5;
+  border-bottom: 1px solid #B5B5B5;
+}
+
+.color-scheme-buttons > button {
+  width: 33.33%;
+  font-size: 14px;
+}
+
+.color-scheme-buttons > .dark-button {
+  margin-top: -1px;
+  height: 61px;
+}
+
+.font-type-buttons > button:first-child,
+.font-size-buttons > button:first-child,
+.content-width-buttons > button:first-child,
+.line-height-buttons > button:first-child {
+  border-left: 0;
+}
+
+.font-type-buttons > button {
+  display: inline-block;
+  font-size: 62px;
+  height: 100px;
+}
+
+.font-size-buttons > button,
+.color-scheme-buttons > button,
+.content-width-buttons > button,
+.line-height-buttons > button {
+  height: 60px;
+}
+
+.font-type-buttons > button:active:hover,
+.font-type-buttons > button.selected,
+.color-scheme-buttons > button:active:hover,
+.color-scheme-buttons > button.selected {
+  box-shadow: inset 0 -3px 0 0 #fc6420;
+}
+
+.font-type-buttons > button:active:hover,
+.font-type-buttons > button.selected {
+  border-bottom: 1px solid #FC6420;
+}
+
+/* Make the serif button content the same size as the sans-serif button content. */
+.font-type-buttons > button > .description {
+  color: #666;
+  font-size: 12px;
+  margin-top: -5px;
+}
+
+/* Font sizes are different per-platform, so we need custom CSS to line them up. */
+%ifdef XP_MACOSX
+.font-type-buttons > .sans-serif-button > .name {
+  margin-top: 10px;
+}
+
+.font-type-buttons > .sans-serif-button > .description {
+  margin-top: -4px;
+}
+
+.font-type-buttons > .serif-button > .name {
+  font-size: 63px;
+}
+%elifdef XP_WIN
+.font-type-buttons > .sans-serif-button > .name {
+  margin-top: 2px;
+}
+
+.font-type-buttons > .sans-serif-button > .description {
+  margin-top: -4px;
+}
+
+.font-type-buttons > .serif-button > .name {
+  font-size: 63px;
+}
+%else
+.font-type-buttons > .sans-serif-button > .name {
+  margin-top: 5px;
+}
+
+.font-type-buttons > .sans-serif-button > .description {
+  margin-top: -8px;
+}
+
+.font-type-buttons > .serif-button > .name {
+  font-size: 70px;
+}
+%endif
+
+.button:hover,
+.font-size-buttons > button:hover,
+.font-type-buttons > button:hover,
+.content-width-buttons > button:hover,
+.line-height-buttons > button:hover {
+  background-color: #ebebeb;
+}
+
+.dropdown.open,
+.button:active,
+.font-size-buttons > button:active,
+.font-size-buttons > button.selected,
+.content-width-buttons > button:active,
+.content-width-buttons > button.selected,
+.line-height-buttons > button:active,
+.line-height-buttons > button.selected {
+  background-color: #dadada;
+}
+
+/* Only used on Android */
+.font-size-sample {
+  display: none;
+}
+
+.minus-button,
+.plus-button,
+.content-width-minus-button,
+.content-width-plus-button,
+.line-height-minus-button,
+.line-height-plus-button {
+  background-color: transparent;
+  border: 0;
+  background-size: 18px 18px;
+  background-repeat: no-repeat;
+  background-position: center;
+}
+
+/*======= Toolbar icons =======*/
+
+.close-button {
+  background-image: url("chrome://global/skin/reader/RM-Close-24x24.svg#close");
+  height: 68px;
+  background-position: center 8px;
+}
+
+.close-button:hover {
+  background-image: url("chrome://global/skin/reader/RM-Close-24x24.svg#close-hover");
+  background-color: #d94141;
+  border-bottom: 1px solid #d94141;
+  border-right: 1px solid #d94141;
+}
+
+.close-button:hover:active {
+  background-image: url("chrome://global/skin/reader/RM-Close-24x24.svg#close-hover");
+  background-color: #AE2325;
+  border-bottom: 1px solid #AE2325;
+  border-right: 1px solid #AE2325;
+}
+
+.style-button {
+  background-image: url("chrome://global/skin/reader/RM-Type-Controls-24x24.svg");
+}
+
+.minus-button {
+  background-image: url("chrome://global/skin/reader/RM-Minus-24x24.svg");
+}
+
+.plus-button {
+  background-image: url("chrome://global/skin/reader/RM-Plus-24x24.svg");
+}
+
+.content-width-minus-button {
+  background-size: 42px 16px;
+  background-image: url("chrome://global/skin/reader/RM-Content-Width-Minus-42x16.svg");
+}
+
+.content-width-plus-button {
+  background-size: 44px 16px;
+  background-image: url("chrome://global/skin/reader/RM-Content-Width-Plus-44x16.svg");
+}
+
+.line-height-minus-button {
+  background-size: 34px 14px;
+  background-image: url("chrome://global/skin/reader/RM-Line-Height-Minus-38x14.svg");
+}
+
+.line-height-plus-button {
+  background-size: 34px 24px;
+  background-image: url("chrome://global/skin/reader/RM-Line-Height-Plus-38x24.svg");
+}
+
+@media print {
+  .toolbar {
+    display: none !important;
+  }
+}
+
+/*======= Article content =======*/
+
+/* Note that any class names from the original article that we want to match on
+ * must be added to CLASSES_TO_PRESERVE in ReaderMode.jsm, so that
+ * Readability.js doesn't strip them out */
+
+.moz-reader-content {
+  display: none;
+  font-size: 1em;
+  line-height: 1.6em;
+}
+
+.moz-reader-content.line-height1 {
+  line-height: 1em;
+}
+
+.moz-reader-content.line-height2 {
+  line-height: 1.2em;
+}
+
+.moz-reader-content.line-height3 {
+  line-height: 1.4em;
+}
+
+.moz-reader-content.line-height4 {
+  line-height: 1.6em;
+}
+
+.moz-reader-content.line-height5 {
+  line-height: 1.8em;
+}
+
+.moz-reader-content.line-height6 {
+  line-height: 2.0em;
+}
+
+.moz-reader-content.line-height7 {
+  line-height: 2.2em;
+}
+
+.moz-reader-content.line-height8 {
+  line-height: 2.4em;
+}
+
+.moz-reader-content.line-height9 {
+  line-height: 2.6em;
+}
+
+@media print {
+  .moz-reader-content p,
+  .moz-reader-content code,
+  .moz-reader-content pre,
+  .moz-reader-content blockquote,
+  .moz-reader-content ul,
+  .moz-reader-content ol,
+  .moz-reader-content li,
+  .moz-reader-content figure,
+  .moz-reader-content .wp-caption {
+    margin: 0 0 10px 0 !important;
+    padding: 0 !important;
+  }
+}
+
+.moz-reader-content h1,
+.moz-reader-content h2,
+.moz-reader-content h3 {
+  font-weight: bold;
+}
+
+.moz-reader-content h1 {
+  font-size: 1.6em;
+  line-height: 1.25em;
+}
+
+.moz-reader-content h2 {
+  font-size: 1.2em;
+  line-height: 1.51em;
+}
+
+.moz-reader-content h3 {
+  font-size: 1em;
+  line-height: 1.66em;
+}
+
+.moz-reader-content a:link {
+  text-decoration: underline;
+  font-weight: normal;
+}
+
+.moz-reader-content a:link,
+.moz-reader-content a:link:hover,
+.moz-reader-content a:link:active {
+  color: #0095dd;
+}
+
+.moz-reader-content a:visited {
+  color: #c2e;
+}
+
+.moz-reader-content * {
+  max-width: 100%;
+  height: auto;
+}
+
+.moz-reader-content p,
+.moz-reader-content p,
+.moz-reader-content code,
+.moz-reader-content pre,
+.moz-reader-content blockquote,
+.moz-reader-content ul,
+.moz-reader-content ol,
+.moz-reader-content li,
+.moz-reader-content figure,
+.moz-reader-content .wp-caption {
+  margin: -10px -10px 20px -10px;
+  padding: 10px;
+  border-radius: 5px;
+}
+
+.moz-reader-content li {
+  margin-bottom: 0;
+}
+
+.moz-reader-content li > ul,
+.moz-reader-content li > ol {
+  margin-bottom: -10px;
+}
+
+.moz-reader-content p > img:only-child,
+.moz-reader-content p > a:only-child > img:only-child,
+.moz-reader-content .wp-caption img,
+.moz-reader-content figure img {
+  display: block;
+}
+
+.moz-reader-content img[moz-reader-center] {
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.moz-reader-content .caption,
+.moz-reader-content .wp-caption-text
+.moz-reader-content figcaption {
+  font-size: 0.9em;
+  line-height: 1.48em;
+  font-style: italic;
+}
+
+.moz-reader-content code,
+.moz-reader-content pre {
+  white-space: pre-wrap;
+}
+
+.moz-reader-content blockquote {
+  padding: 0;
+  padding-inline-start: 16px;
+}
+
+.moz-reader-content ul,
+.moz-reader-content ol {
+  padding: 0;
+}
+
+.moz-reader-content ul {
+  padding-inline-start: 30px;
+  list-style: disc;
+}
+
+.moz-reader-content ol {
+  padding-inline-start: 30px;
+  list-style: decimal;
+}
+
+/* Hide elements with common "hidden" class names */
+.moz-reader-content .visually-hidden,
+.moz-reader-content .visuallyhidden,
+.moz-reader-content .hidden,
+.moz-reader-content .invisible,
+.moz-reader-content .sr-only {
+  display: none;
+}
diff --git a/toolkit/themes/shared/aboutReaderContent.css b/toolkit/themes/shared/aboutReaderContent.css
deleted file mode 100644
index 633391d37..000000000
--- a/toolkit/themes/shared/aboutReaderContent.css
+++ /dev/null
@@ -1,177 +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/. */
-
-#moz-reader-content {
-  display: none;
-  font-size: 1em;
-  line-height: 1.6em;
-}
-
-#moz-reader-content.line-height1 {
-  line-height: 1em;
-}
-
-#moz-reader-content.line-height2 {
-  line-height: 1.2em;
-}
-
-#moz-reader-content.line-height3 {
-  line-height: 1.4em;
-}
-
-#moz-reader-content.line-height4 {
-  line-height: 1.6em;
-}
-
-#moz-reader-content.line-height5 {
-  line-height: 1.8em;
-}
-
-#moz-reader-content.line-height6 {
-  line-height: 2.0em;
-}
-
-#moz-reader-content.line-height7 {
-  line-height: 2.2em;
-}
-
-#moz-reader-content.line-height8 {
-  line-height: 2.4em;
-}
-
-#moz-reader-content.line-height9 {
-  line-height: 2.6em;
-}
-
-@media print {
-  p,
-  code,
-  pre,
-  blockquote,
-  ul,
-  ol,
-  li,
-  figure,
-  .wp-caption {
-    margin: 0 0 10px 0 !important;
-  }
-}
-
-h1,
-h2,
-h3 {
-  font-weight: bold;
-}
-
-h1 {
-  font-size: 1.6em;
-  line-height: 1.25em;
-}
-
-h2 {
-  font-size: 1.2em;
-  line-height: 1.51em;
-}
-
-h3 {
-  font-size: 1em;
-  line-height: 1.66em;
-}
-
-a:link {
-  text-decoration: underline;
-  font-weight: normal;
-}
-
-a:link,
-a:link:hover,
-a:link:active {
-  color: #0095dd;
-}
-
-a:visited {
-  color: #c2e;
-}
-
-* {
-  max-width: 100%;
-  height: auto;
-}
-
-p,
-code,
-pre,
-blockquote,
-ul,
-ol,
-li,
-figure,
-.wp-caption {
-  margin: -10px -10px 20px -10px;
-  padding: 10px;
-  border-radius: 5px;
-}
-
-li {
-  margin-bottom: 0;
-}
-
-li > ul,
-li > ol {
-  margin-bottom: -10px;
-}
-
-p > img:only-child,
-p > a:only-child > img:only-child,
-.wp-caption img,
-figure img {
-  display: block;
-}
-
-img[moz-reader-center] {
-  margin-left: auto;
-  margin-right: auto;
-}
-
-.caption,
-.wp-caption-text,
-figcaption {
-  font-size: 0.9em;
-  line-height: 1.48em;
-  font-style: italic;
-}
-
-code,
-pre {
-  white-space: pre-wrap;
-}
-
-blockquote {
-  padding: 0;
-  padding-inline-start: 16px;
-}
-
-ul,
-ol {
-  padding: 0;
-}
-
-ul {
-  padding-inline-start: 30px;
-  list-style: disc;
-}
-
-ol {
-  padding-inline-start: 30px;
-  list-style: decimal;
-}
-
-/* Hide elements with common "hidden" class names */
-.visually-hidden,
-.visuallyhidden,
-.hidden,
-.invisible,
-.sr-only {
-  display: none;
-}
diff --git a/toolkit/themes/shared/aboutReaderControls.css b/toolkit/themes/shared/aboutReaderControls.css
deleted file mode 100644
index afd65f458..000000000
--- a/toolkit/themes/shared/aboutReaderControls.css
+++ /dev/null
@@ -1,388 +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/. */
-
-.light-button {
-  color: #333333;
-  background-color: #ffffff;
-}
-
-.dark-button {
-  color: #eeeeee;
-  background-color: #333333;
-}
-
-.sepia-button {
-  color: #5b4636;
-  background-color: #f4ecd8;
-}
-
-.sans-serif-button {
-  font-family: Helvetica, Arial, sans-serif;
-}
-
-.serif-button {
-  font-family: Georgia, "Times New Roman", serif;
-}
-
-/* Loading/error message */
-
-#reader-message {
-  margin-top: 40px;
-  display: none;
-  text-align: center;
-  width: 100%;
-  font-size: 0.9em;
-}
-
-/* Header */
-
-.header {
-  text-align: start;
-  display: none;
-}
-
-.domain {
-  font-size: 0.9em;
-  line-height: 1.48em;
-  padding-bottom: 4px;
-  font-family: Helvetica, Arial, sans-serif;
-  text-decoration: none;
-  border-bottom: 1px solid;
-  color: #0095dd;
-}
-
-.header > h1 {
-  font-size: 1.6em;
-  line-height: 1.25em;
-  width: 100%;
-  margin: 30px 0;
-  padding: 0;
-}
-
-.header > .credits {
-  font-size: 0.9em;
-  line-height: 1.48em;
-  margin: 0 0 30px 0;
-  padding: 0;
-  font-style: italic;
-}
-
-/*======= Controls toolbar =======*/
-
-.toolbar {
-  font-family: Helvetica, Arial, sans-serif;
-  position: fixed;
-  height: 100%;
-  top: 0;
-  left: 0;
-  margin: 0;
-  padding: 0;
-  list-style: none;
-  background-color: #fbfbfb;
-  -moz-user-select: none;
-  border-right: 1px solid #b5b5b5;
-  z-index: 1;
-}
-
-.button {
-  display: block;
-  background-size: 24px 24px;
-  background-repeat: no-repeat;
-  color: #333;
-  background-color: #fbfbfb;
-  height: 40px;
-  padding: 0;
-}
-
-.toolbar .button {
-  width: 40px;
-  background-position: center;
-  margin-right: -1px;
-  border-top: 0;
-  border-left: 0;
-  border-right: 1px solid #b5b5b5;
-  border-bottom: 1px solid #c1c1c1;
-}
-
-.button[hidden] {
-  display: none;
-}
-
-.dropdown {
-  text-align: center;
-  list-style: none;
-  margin: 0;
-  padding: 0;
-}
-
-.dropdown li {
-  margin: 0;
-  padding: 0;
-}
-
-/*======= Popup =======*/
-
-.dropdown-popup {
-  min-width: 300px;
-  text-align: start;
-  position: absolute;
-  left: 48px; /* offset to account for toolbar width */
-  z-index: 1000;
-  background-color: #fbfbfb;
-  visibility: hidden;
-  border-radius: 4px;
-  border: 1px solid #b5b5b5;
-  border-bottom-width: 0;
-  box-shadow: 0 1px 12px #666;
-}
-
-.keep-open .dropdown-popup {
-  z-index: initial;
-}
-
-.dropdown-popup > hr {
-  display: none;
-}
-
-.open > .dropdown-popup {
-  visibility: visible;
-}
-
-.dropdown-arrow {
-  position: absolute;
-  top: 30px; /* offset arrow from top of popup */
-  left: -16px;
-  width: 24px;
-  height: 24px;
-  background-image: url("chrome://global/skin/reader/RM-Type-Controls-Arrow.svg");
-  display: block;
-}
-
-/*======= Font style popup =======*/
-
-#font-type-buttons,
-#font-size-buttons,
-#color-scheme-buttons,
-#content-width-buttons,
-#line-height-buttons {
-  display: flex;
-  flex-direction: row;
-}
-
-#font-type-buttons > button:first-child {
-  border-top-left-radius: 3px;
-}
-#font-type-buttons > button:last-child {
-  border-top-right-radius: 3px;
-}
-#color-scheme-buttons > button:first-child {
-  border-bottom-left-radius: 3px;
-}
-#color-scheme-buttons > button:last-child {
-  border-bottom-right-radius: 3px;
-}
-
-#font-type-buttons > button,
-#font-size-buttons > button,
-#color-scheme-buttons > button,
-#content-width-buttons > button,
-#line-height-buttons > button {
-  text-align: center;
-  border: 0;
-}
-
-#font-type-buttons > button,
-#font-size-buttons > button,
-#content-width-buttons > button,
-#line-height-buttons > button {
-  width: 50%;
-  background-color: transparent;
-  border-left: 1px solid #B5B5B5;
-  border-bottom: 1px solid #B5B5B5;
-}
-
-#color-scheme-buttons > button {
-  width: 33.33%;
-  font-size: 14px;
-}
-
-#color-scheme-buttons > .dark-button {
-  margin-top: -1px;
-  height: 61px;
-}
-
-#font-type-buttons > button:first-child,
-#font-size-buttons > button:first-child,
-#content-width-buttons > button:first-child,
-#line-height-buttons > button:first-child {
-  border-left: 0;
-}
-
-#font-type-buttons > button {
-  display: inline-block;
-  font-size: 62px;
-  height: 100px;
-}
-
-#font-size-buttons > button,
-#color-scheme-buttons > button,
-#content-width-buttons > button,
-#line-height-buttons > button {
-  height: 60px;
-}
-
-#font-type-buttons > button:active:hover,
-#font-type-buttons > button.selected,
-#color-scheme-buttons > button:active:hover,
-#color-scheme-buttons > button.selected {
-  box-shadow: inset 0 -3px 0 0 #fc6420;
-}
-
-#font-type-buttons > button:active:hover,
-#font-type-buttons > button.selected {
-  border-bottom: 1px solid #FC6420;
-}
-
-/* Make the serif button content the same size as the sans-serif button content. */
-#font-type-buttons > button > .description {
-  color: #666;
-  font-size: 12px;
-  margin-top: -5px;
-}
-
-/* Font sizes are different per-platform, so we need custom CSS to line them up. */
-%ifdef XP_MACOSX
-#font-type-buttons > .sans-serif-button > .name {
-  margin-top: 10px;
-}
-
-#font-type-buttons > .sans-serif-button > .description {
-  margin-top: -4px;
-}
-
-#font-type-buttons > .serif-button > .name {
-  font-size: 63px;
-}
-%elifdef XP_WIN
-#font-type-buttons > .sans-serif-button > .name {
-  margin-top: 2px;
-}
-
-#font-type-buttons > .sans-serif-button > .description {
-  margin-top: -4px;
-}
-
-#font-type-buttons > .serif-button > .name {
-  font-size: 63px;
-}
-%else
-#font-type-buttons > .sans-serif-button > .name {
-  margin-top: 5px;
-}
-
-#font-type-buttons > .sans-serif-button > .description {
-  margin-top: -8px;
-}
-
-#font-type-buttons > .serif-button > .name {
-  font-size: 70px;
-}
-%endif
-
-.button:hover,
-#font-size-buttons > button:hover,
-#font-type-buttons > button:hover,
-#content-width-buttons > button:hover,
-#line-height-buttons > button:hover {
-  background-color: #ebebeb;
-}
-
-.dropdown.open,
-.button:active,
-#font-size-buttons > button:active,
-#font-size-buttons > button.selected,
-#content-width-buttons > button:active,
-#content-width-buttons > button.selected,
-#line-height-buttons > button:active,
-#line-height-buttons > button.selected {
-  background-color: #dadada;
-}
-
-/* Only used on Android */
-#font-size-sample {
-  display: none;
-}
-
-.minus-button,
-.plus-button,
-.content-width-minus-button,
-.content-width-plus-button,
-.line-height-minus-button,
-.line-height-plus-button {
-  background-color: transparent;
-  border: 0;
-  background-size: 18px 18px;
-  background-repeat: no-repeat;
-  background-position: center;
-}
-
-/*======= Toolbar icons =======*/
-
-.close-button {
-  background-image: url("chrome://global/skin/reader/RM-Close-24x24.svg#close");
-  height: 68px;
-  background-position: center 8px;
-}
-
-.close-button:hover {
-  background-image: url("chrome://global/skin/reader/RM-Close-24x24.svg#close-hover");
-  background-color: #d94141;
-  border-bottom: 1px solid #d94141;
-  border-right: 1px solid #d94141;
-}
-
-.close-button:hover:active {
-  background-image: url("chrome://global/skin/reader/RM-Close-24x24.svg#close-hover");
-  background-color: #AE2325;
-  border-bottom: 1px solid #AE2325;
-  border-right: 1px solid #AE2325;
-}
-
-.style-button {
-  background-image: url("chrome://global/skin/reader/RM-Type-Controls-24x24.svg");
-}
-
-.minus-button {
-  background-image: url("chrome://global/skin/reader/RM-Minus-24x24.svg");
-}
-
-.plus-button {
-  background-image: url("chrome://global/skin/reader/RM-Plus-24x24.svg");
-}
-
-.content-width-minus-button {
-  background-size: 42px 16px;
-  background-image: url("chrome://global/skin/reader/RM-Content-Width-Minus-42x16.svg");
-}
-
-.content-width-plus-button {
-  background-size: 44px 16px;
-  background-image: url("chrome://global/skin/reader/RM-Content-Width-Plus-44x16.svg");
-}
-
-.line-height-minus-button {
-  background-size: 34px 14px;
-  background-image: url("chrome://global/skin/reader/RM-Line-Height-Minus-38x14.svg");
-}
-
-.line-height-plus-button {
-  background-size: 34px 24px;
-  background-image: url("chrome://global/skin/reader/RM-Line-Height-Plus-38x24.svg");
-}
-
-@media print {
-  .toolbar {
-    display: none !important;
-  }
-}
diff --git a/toolkit/themes/shared/aboutSupport.css b/toolkit/themes/shared/aboutSupport.css
index d26cd3cbd..69e6a95b4 100644
--- a/toolkit/themes/shared/aboutSupport.css
+++ b/toolkit/themes/shared/aboutSupport.css
@@ -99,6 +99,10 @@ td {
   width: 30%;
 }
 
+#contents {
+  clear: right;
+}
+
 #action-box,
 #reset-box,
 #safe-mode-box {
diff --git a/toolkit/themes/shared/alert-common.css b/toolkit/themes/shared/alert-common.css
index 010e89393..17510c0db 100644
--- a/toolkit/themes/shared/alert-common.css
+++ b/toolkit/themes/shared/alert-common.css
@@ -15,14 +15,12 @@
 }
 
 #alertBox[animate][clicked] {
-  animation-duration: .6s;
   animation-name: alert-clicked-animation;
 }
 
 /* This is used if the close button is clicked
    before the animation has finished. */
 #alertBox[animate][closing] {
-  animation-duration: .6s;
   animation-name: alert-closing-animation;
 }
 
diff --git a/toolkit/themes/shared/datetimeinputpickers.css b/toolkit/themes/shared/datetimeinputpickers.css
new file mode 100644
index 000000000..f0c4315e5
--- /dev/null
+++ b/toolkit/themes/shared/datetimeinputpickers.css
@@ -0,0 +1,377 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+:root {
+  --font-size-default: 1.1rem;
+  --spinner-width: 3rem;
+  --spinner-margin-top-bottom: 0.4rem;
+  --spinner-item-height: 2.4rem;
+  --spinner-item-margin-bottom: 0.1rem;
+  --spinner-button-height: 1.2rem;
+  --colon-width: 2rem;
+  --day-period-spacing-width: 1rem;
+  --calendar-width: 23.1rem;
+  --date-picker-item-height: 2.5rem;
+  --date-picker-item-width: 3.3rem;
+
+  --border: 0.1rem solid #D6D6D6;
+  --border-radius: 0.3rem;
+  --border-active-color: #B1B1B1;
+
+  --font-color: #191919;
+  --fill-color: #EBEBEB;
+
+  --today-fill-color: rgb(212, 212, 212);
+
+  --selected-font-color: #FFFFFF;
+  --selected-fill-color: #0996F8;
+
+  --button-font-color: #858585;
+  --button-font-color-hover: #4D4D4D;
+  --button-font-color-active: #191919;
+  --button-fill-color-active: #D4D4D4;
+
+  --weekday-header-font-color: #6C6C6C;
+  --weekend-header-font-color: rgb(218, 78, 68);
+
+  --weekend-font-color: rgb(218, 78, 68);
+  --weekday-outside-font-color: rgb(153, 153, 153);
+  --weekend-outside-font-color: rgb(255, 152, 143);
+
+  --weekday-disabled-font-color: rgba(25, 25, 25, 0.2);
+  --weekend-disabled-font-color: rgba(218, 78, 68, 0.2);
+  --disabled-fill-color: rgba(235, 235, 235, 0.8);
+
+  --disabled-opacity: 0.2;
+}
+
+html {
+  font-size: 10px;
+}
+
+body {
+  margin: 0;
+  color: var(--font-color);
+  font: message-box;
+  font-size: var(--font-size-default);
+}
+
+button {
+  -moz-appearance: none;
+  background: none;
+  border: none;
+}
+
+.nav {
+  display: flex;
+  width: var(--calendar-width);
+  height: 2.4rem;
+  margin-bottom: 0.8rem;
+  justify-content: space-between;
+}
+
+.nav > button {
+  width: 3rem;
+  height: var(--date-picker-item-height);
+  background-color: var(--button-font-color);
+}
+
+.nav > button:hover {
+  background-color: var(--button-font-color-hover);
+}
+
+.nav > button.active {
+  background-color: var(--button-font-color-active);
+}
+
+.nav > button.left {
+  background: url("chrome://global/skin/icons/calendar-arrows.svg#left") no-repeat 50% 50%;
+}
+
+.nav > button.right {
+  background: url("chrome://global/skin/icons/calendar-arrows.svg#right") no-repeat 50% 50%;
+}
+
+.month-year-container {
+  position: absolute;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  top: 0;
+  left: 3rem;
+  width: 17.1rem;
+  height: var(--date-picker-item-height);
+  z-index: 10;
+}
+
+button.month-year {
+  font-size: 1.3rem;
+  border: var(--border);
+  border-radius: 0.3rem;
+  padding: 0.2rem 2.6rem 0.2rem 1.2rem;
+}
+
+button.month-year:hover {
+  background: var(--fill-color);
+}
+
+button.month-year.active {
+  border-color: var(--border-active-color);
+  background: var(--button-fill-color-active);
+}
+
+button.month-year::after {
+  position: absolute;
+  content: "";
+  width: 2.6rem;
+  height: 1.6rem;
+  background: url("chrome://global/skin/icons/spinner-arrows.svg#down") no-repeat 50% 50%;
+}
+
+button.month-year.active::after {
+  background: url("chrome://global/skin/icons/spinner-arrows.svg#up") no-repeat 50% 50%;
+}
+
+.month-year-view {
+  position: absolute;
+  z-index: 5;
+  padding-top: 3.2rem;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  width: var(--calendar-width);
+  background: window;
+  opacity: 1;
+  transition: opacity 0.15s;
+}
+
+.month-year-view.hidden {
+  visibility: hidden;
+  opacity: 0;
+}
+
+.month-year-view > .spinner-container {
+  width: 5.5rem;
+  margin: 0 0.5rem;
+}
+
+.month-year-view .spinner {
+  transform: scaleY(1);
+  transform-origin: top;
+  transition: transform 0.15s;
+}
+
+.month-year-view.hidden .spinner {
+  transform: scaleY(0);
+  transition: none;
+}
+
+.month-year-view .spinner > div {
+  transform: scaleY(1);
+  transition: transform 0.15s;
+}
+
+.month-year-view.hidden .spinner > div {
+  transform: scaleY(2.5);
+  transition: none;
+}
+
+.calendar-container {
+  cursor: default;
+  display: flex;
+  flex-direction: column;
+  width: var(--calendar-width);
+}
+
+.week-header {
+  display: flex;
+}
+
+.week-header > div {
+  color: var(--weekday-header-font-color);
+}
+
+.week-header > div.weekend {
+  color: var(--weekend-header-font-color);
+}
+
+.days-viewport {
+  height: 15rem;
+  overflow: hidden;
+  position: relative;
+}
+
+.days-view {
+  position: absolute;
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: row;
+}
+
+.week-header > div,
+.days-view > div {
+  align-items: center;
+  display: flex;
+  height: var(--date-picker-item-height);
+  position: relative;
+  justify-content: center;
+  width: var(--date-picker-item-width);
+}
+
+.days-view > .outside {
+  color: var(--weekday-outside-font-color);
+}
+
+.days-view > .weekend {
+  color: var(--weekend-font-color);
+}
+
+.days-view > .weekend.outside {
+  color: var(--weekend-outside-font-color);
+}
+
+.days-view > .out-of-range,
+.days-view > .off-step {
+  color: var(--weekday-disabled-font-color);
+  background: var(--disabled-fill-color);
+}
+
+.days-view > .out-of-range.weekend,
+.days-view > .off-step.weekend {
+  color: var(--weekend-disabled-font-color);
+}
+
+.days-view > .today {
+  font-weight: bold;
+}
+
+.days-view > .out-of-range::before,
+.days-view > .off-step::before {
+  display: none;
+}
+
+.days-view > div:hover::before,
+.days-view > .select::before,
+.days-view > .today::before {
+  top: 5%;
+  bottom: 5%;
+  left: 5%;
+  right: 5%;
+}
+
+#time-picker,
+.month-year-view {
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+}
+
+.spinner-container {
+  display: flex;
+  flex-direction: column;
+  width: var(--spinner-width);
+}
+
+.spinner-container > button {
+  background-color: var(--button-font-color);
+  height: var(--spinner-button-height);
+}
+
+.spinner-container > button:hover {
+  background-color: var(--button-font-color-hover);
+}
+
+.spinner-container > button.active {
+  background-color: var(--button-font-color-active);
+}
+
+.spinner-container > button.up {
+  background: url("chrome://global/skin/icons/spinner-arrows.svg#up") no-repeat 50% 50%;
+}
+
+.spinner-container > button.down {
+  background: url("chrome://global/skin/icons/spinner-arrows.svg#down") no-repeat 50% 50%;
+}
+
+.spinner-container.hide-buttons > button {
+  visibility: hidden;
+}
+
+.spinner-container > .spinner {
+  position: relative;
+  width: 100%;
+  margin: var(--spinner-margin-top-bottom) 0;
+  cursor: default;
+  overflow-y: scroll;
+  scroll-snap-type: mandatory;
+  scroll-snap-points-y: repeat(100%);
+}
+
+.spinner-container > .spinner > div {
+  box-sizing: border-box;
+  position: relative;
+  text-align: center;
+  padding: calc((var(--spinner-item-height) - var(--font-size-default)) / 2) 0;
+  margin-bottom: var(--spinner-item-margin-bottom);
+  height: var(--spinner-item-height);
+  -moz-user-select: none;
+  scroll-snap-coordinate: 0 0;
+}
+
+.spinner-container > .spinner > div::before,
+.calendar-container .days-view > div::before {
+  position: absolute;
+  top: 5%;
+  bottom: 5%;
+  left: 5%;
+  right: 5%;
+  z-index: -10;
+  border-radius: var(--border-radius);
+}
+
+.spinner-container > .spinner > div:hover::before,
+.calendar-container .days-view > div:hover::before {
+  background: var(--fill-color);
+  border: var(--border);
+  content: "";
+}
+
+.calendar-container .days-view > div.today::before {
+  background: var(--today-fill-color);
+  content: "";
+}
+
+.spinner-container > .spinner:not(.scrolling) > div.selection,
+.calendar-container .days-view > div.selection {
+  color: var(--selected-font-color);
+}
+
+.spinner-container > .spinner > div.selection::before,
+.calendar-container .days-view > div.selection::before {
+  background: var(--selected-fill-color);
+  border: none;
+  content: "";
+}
+
+.spinner-container > .spinner > div.disabled::before,
+.spinner-container > .spinner.scrolling > div.selection::before,
+.spinner-container > .spinner.scrolling > div:hover::before {
+  display: none;
+}
+
+.spinner-container > .spinner > div.disabled {
+  opacity: var(--disabled-opacity);
+}
+
+.colon {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  width: var(--colon-width);
+  margin-bottom: 0.3rem;
+}
+
+.spacer {
+  width: var(--day-period-spacing-width);
+}
\ No newline at end of file
diff --git a/toolkit/themes/shared/datetimepopup.css b/toolkit/themes/shared/datetimepopup.css
new file mode 100644
index 000000000..52f6fc7a2
--- /dev/null
+++ b/toolkit/themes/shared/datetimepopup.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/. */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+panel[type="arrow"][side="top"],
+panel[type="arrow"][side="bottom"] {
+  margin-left: 0;
+  margin-right: 0;
+}
diff --git a/toolkit/themes/shared/extensions/alerticon-error.svg b/toolkit/themes/shared/extensions/alerticon-error.svg
new file mode 100644
index 000000000..cb883e16e
--- /dev/null
+++ b/toolkit/themes/shared/extensions/alerticon-error.svg
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public

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

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

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 18 18">

+	<path fill="#e62117" d="M10.124,1.324l7.705,14.127c0.234,0.421,0.228,0.843-0.019,1.264c-0.114,0.193-0.271,0.347-0.467,0.461c-0.198,0.114-0.41,0.171-0.638,0.171H1.294c-0.228,0-0.44-0.057-0.636-0.171c-0.198-0.114-0.353-0.268-0.467-0.461c-0.247-0.421-0.254-0.843-0.02-1.264L7.876,1.324C7.99,1.117,8.147,0.953,8.348,0.833C8.548,0.712,8.766,0.652,9,0.652c0.234,0,0.451,0.06,0.652,0.181C9.853,0.953,10.009,1.117,10.124,1.324z M10.264,10.695l0.181-4.605c0-0.08-0.034-0.143-0.1-0.191c-0.087-0.073-0.168-0.11-0.241-0.11H7.896c-0.073,0-0.154,0.037-0.241,0.11c-0.067,0.048-0.1,0.118-0.1,0.211l0.17,4.586c0,0.067,0.034,0.122,0.1,0.165c0.067,0.044,0.147,0.065,0.241,0.065h1.856c0.094,0,0.172-0.021,0.236-0.065C10.222,10.818,10.258,10.762,10.264,10.695z M10.284,14.448v-1.907c0-0.094-0.031-0.172-0.095-0.236c-0.064-0.064-0.139-0.095-0.225-0.095H8.036c-0.087,0-0.162,0.031-0.225,0.095c-0.064,0.064-0.095,0.142-0.095,0.236v1.907c0,0.094,0.031,0.173,0.095,0.236c0.064,0.064,0.138,0.095,0.225,0.095h1.927c0.086,0,0.162-0.031,0.225-0.095C10.252,14.621,10.284,14.542,10.284,14.448z"/>

+</svg>

diff --git a/toolkit/themes/shared/extensions/alerticon-info-negative.svg b/toolkit/themes/shared/extensions/alerticon-info-negative.svg
new file mode 100644
index 000000000..733f8571a
--- /dev/null
+++ b/toolkit/themes/shared/extensions/alerticon-info-negative.svg
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public

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

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

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 18 18">

+	<path fill="#828282" d="M10.124,1.324l7.705,14.127c0.234,0.421,0.228,0.843-0.019,1.264c-0.114,0.193-0.271,0.347-0.467,0.461c-0.198,0.114-0.41,0.171-0.638,0.171H1.294c-0.228,0-0.44-0.057-0.636-0.171c-0.198-0.114-0.353-0.268-0.467-0.461c-0.247-0.421-0.254-0.843-0.02-1.264L7.876,1.324C7.99,1.117,8.147,0.953,8.348,0.833C8.548,0.712,8.766,0.652,9,0.652c0.234,0,0.451,0.06,0.652,0.181C9.853,0.953,10.009,1.117,10.124,1.324z M10.264,10.695l0.181-4.605c0-0.08-0.034-0.143-0.1-0.191c-0.087-0.073-0.168-0.11-0.241-0.11H7.896c-0.073,0-0.154,0.037-0.241,0.11c-0.067,0.048-0.1,0.118-0.1,0.211l0.17,4.586c0,0.067,0.034,0.122,0.1,0.165c0.067,0.044,0.147,0.065,0.241,0.065h1.856c0.094,0,0.172-0.021,0.236-0.065C10.222,10.818,10.258,10.762,10.264,10.695z M10.284,14.448v-1.907c0-0.094-0.031-0.172-0.095-0.236c-0.064-0.064-0.139-0.095-0.225-0.095H8.036c-0.087,0-0.162,0.031-0.225,0.095c-0.064,0.064-0.095,0.142-0.095,0.236v1.907c0,0.094,0.031,0.173,0.095,0.236c0.064,0.064,0.138,0.095,0.225,0.095h1.927c0.086,0,0.162-0.031,0.225-0.095C10.252,14.621,10.284,14.542,10.284,14.448z"/>

+</svg>

diff --git a/toolkit/themes/shared/extensions/alerticon-info-positive.svg b/toolkit/themes/shared/extensions/alerticon-info-positive.svg
new file mode 100644
index 000000000..031190bce
--- /dev/null
+++ b/toolkit/themes/shared/extensions/alerticon-info-positive.svg
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public

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

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

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 18 18">

+	<path fill="#62c44e" d="M18,4.796c0,0.31-0.109,0.573-0.325,0.79l-8.408,8.406l-1.579,1.58c-0.217,0.217-0.48,0.325-0.789,0.325c-0.31,0-0.573-0.108-0.79-0.325l-1.579-1.58L0.325,9.79C0.108,9.573,0,9.31,0,9s0.108-0.573,0.325-0.79l1.58-1.579c0.216-0.217,0.479-0.325,0.789-0.325s0.573,0.108,0.79,0.325l3.414,3.426l7.617-7.63c0.217-0.216,0.48-0.325,0.79-0.325c0.309,0,0.572,0.109,0.789,0.325l1.58,1.58C17.891,4.224,18,4.487,18,4.796z"/>

+</svg>

diff --git a/toolkit/themes/shared/extensions/alerticon-warning.svg b/toolkit/themes/shared/extensions/alerticon-warning.svg
new file mode 100644
index 000000000..2b403220e
--- /dev/null
+++ b/toolkit/themes/shared/extensions/alerticon-warning.svg
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public

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

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

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 18 18">

+	<path fill="#f0cd2f" d="M10.124,1.324l7.705,14.127c0.234,0.421,0.228,0.843-0.019,1.264c-0.114,0.193-0.271,0.347-0.467,0.461c-0.198,0.114-0.41,0.171-0.638,0.171H1.294c-0.228,0-0.44-0.057-0.636-0.171c-0.198-0.114-0.353-0.268-0.467-0.461c-0.247-0.421-0.254-0.843-0.02-1.264L7.876,1.324C7.99,1.117,8.147,0.953,8.348,0.833C8.548,0.712,8.766,0.652,9,0.652c0.234,0,0.451,0.06,0.652,0.181C9.853,0.953,10.009,1.117,10.124,1.324z M10.264,10.695l0.181-4.605c0-0.08-0.034-0.143-0.1-0.191c-0.087-0.073-0.168-0.11-0.241-0.11H7.896c-0.073,0-0.154,0.037-0.241,0.11c-0.067,0.048-0.1,0.118-0.1,0.211l0.17,4.586c0,0.067,0.034,0.122,0.1,0.165c0.067,0.044,0.147,0.065,0.241,0.065h1.856c0.094,0,0.172-0.021,0.236-0.065C10.222,10.818,10.258,10.762,10.264,10.695z M10.284,14.448v-1.907c0-0.094-0.031-0.172-0.095-0.236c-0.064-0.064-0.139-0.095-0.225-0.095H8.036c-0.087,0-0.162,0.031-0.225,0.095c-0.064,0.064-0.095,0.142-0.095,0.236v1.907c0,0.094,0.031,0.173,0.095,0.236c0.064,0.064,0.138,0.095,0.225,0.095h1.927c0.086,0,0.162-0.031,0.225-0.095C10.252,14.621,10.284,14.542,10.284,14.448z"/>

+</svg>

diff --git a/toolkit/themes/shared/extensions/extensionGeneric.svg b/toolkit/themes/shared/extensions/extensionGeneric.svg
new file mode 100644
index 000000000..28c2f7ba3
--- /dev/null
+++ b/toolkit/themes/shared/extensions/extensionGeneric.svg
@@ -0,0 +1,12 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 64 64">
+  <defs>
+    <linearGradient id="gradient-linear-puzzle-piece" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" stop-color="#66cc52" stop-opacity="1"/>
+      <stop offset="100%" stop-color="#60bf4c" stop-opacity="1"/>
+    </linearGradient>
+  </defs>
+  <path fill="url('#gradient-linear-puzzle-piece')" d="M42,62c2.2,0,4-1.8,4-4l0-14.2c0,0,0.4-3.7,2.8-3.7c2.4,0,2.2,3.9,6.7,3.9c2.3,0,6.2-1.2,6.2-8.2 c0-7-3.9-7.9-6.2-7.9c-4.5,0-4.3,3.7-6.7,3.7c-2.4,0-2.8-3.8-2.8-3.8V22c0-2.2-1.8-4-4-4H31.5c0,0-3.4-0.6-3.4-3 c0-2.4,3.8-2.6,3.8-7.1c0-2.3-1.3-5.9-8.3-5.9s-8,3.6-8,5.9c0,4.5,3.4,4.7,3.4,7.1c0,2.4-3.4,3-3.4,3H6c-2.2,0-4,1.8-4,4l0,7.8 c0,0-0.4,6,4.4,6c3.1,0,3.2-4.1,7.3-4.1c2,0,4,1.9,4,6c0,4.2-2,6.3-4,6.3c-4,0-4.2-4.1-7.3-4.1c-4.8,0-4.4,5.8-4.4,5.8L2,58 c0,2.2,1.8,4,4,4H19c0,0,6.3,0.4,6.3-4.4c0-3.1-4-3.6-4-7.7c0-2,2.2-4.5,6.4-4.5c4.2,0,6.6,2.5,6.6,4.5c0,4-3.9,4.6-3.9,7.7 c0,4.9,6.3,4.4,6.3,4.4H42z"/>
+</svg>
diff --git a/toolkit/themes/shared/extensions/utilities.svg b/toolkit/themes/shared/extensions/utilities.svg
index fd911001b..8bf24458c 100644
--- a/toolkit/themes/shared/extensions/utilities.svg
+++ b/toolkit/themes/shared/extensions/utilities.svg
@@ -1,11 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<svg xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
-     x="0"
-     y="0"
-     width="16"
-     height="16"
-     viewBox="0 0 16 16">
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
   <style>
     use:not(:target) {
       display: none;
@@ -16,10 +13,18 @@
     use[id$="-native"] {
       fill: GrayText;
     }
+    use[id$="-grayscale"] {
+      fill: #4d4d4d;
+    }
+    use[id$="-inverted"] {
+      fill: #ddd;
+    }
   </style>
-  <defs style="display: none;">
+  <defs>
     <path id="utilities-shape" d="m11.5,13.9l-.6-1.5c.3-.2 .5-.4 .8-.6 .2-.2 .4-.5 .6-.7l1.5,.6c.3,.1 .6,0 .7-.3l.4-1c.1-.3 0-.6-.3-.7l-1.5-.6c.1-.6 .1-1.3 0-2l1.5-.6c.3-.1 .4-.4 .3-.7l-.4-1c-.1-.3-.4-.4-.7-.3l-1.5,.6c-.2-.3-.4-.5-.6-.8-.2-.1-.5-.3-.7-.5l.6-1.5c.1-.3 0-.6-.3-.7l-.9-.4c-.3-.1-.6,0-.7,.3l-.6,1.5c-.6-.1-1.3-.1-2,0l-.6-1.5c-.1-.3-.4-.4-.7-.3l-1,.4c-.2,.1-.3,.4-.2,.6l.6,1.5c-.3,.3-.5,.5-.8,.7-.2,.3-.4,.5-.6,.8l-1.5-.7c-.3-.1-.6,0-.7,.3l-.4,.9c-.1,.3 0,.6 .3,.7l1.5,.7c-.1,.6-.1,1.3 0,1.9l-1.5,.6c-.3,.1-.4,.4-.3,.7l.4,1c.1,.3 .4,.4 .7,.3l1.5-.6c.2,.3 .4,.5 .6,.8 .2,.2 .5,.4 .7,.6l-.6,1.5c-.1,.3 0,.6 .3,.7l1,.4c.3,.1 .6,0 .7-.3l.6-1.5c.6,.1 1.3,.1 2,0l.6,1.5c.1,.3 .4,.4 .7,.3l1-.4c.1-.1 .3-.4 .1-.7zm-5.1-4.2c-.9-.9-.9-2.4 0-3.3 .9-.9 2.4-.9 3.3,0 .9,.9 .9,2.4 0,3.3-.9,.9-2.4,.9-3.3,0z"/>
   </defs>
   <use id="utilities" xlink:href="#utilities-shape"/>
   <use id="utilities-native" xlink:href="#utilities-shape"/>
+  <use id="utilities-grayscale" xlink:href="#utilities-shape"/>
+  <use id="utilities-inverted" xlink:href="#utilities-shape"/>
 </svg>
diff --git a/toolkit/themes/shared/icons/calendar-arrows.svg b/toolkit/themes/shared/icons/calendar-arrows.svg
new file mode 100644
index 000000000..858676f55
--- /dev/null
+++ b/toolkit/themes/shared/icons/calendar-arrows.svg
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 14 14">
+  <style>
+    path:not(:target) {
+      display: none;
+    }
+  </style>
+  <path id="right" d="M4.8 14L3 12.3 8.5 7 3 1.7 4.8 0 12 7"/>
+  <path id="left" d="M9.2 0L11 1.7 5.5 7 11 12.3 9.2 14 2 7"/>
+</svg>
diff --git a/toolkit/themes/shared/icons/spinner-arrows.svg b/toolkit/themes/shared/icons/spinner-arrows.svg
new file mode 100644
index 000000000..a8ba72d6b
--- /dev/null
+++ b/toolkit/themes/shared/icons/spinner-arrows.svg
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="10" height="6" viewBox="0 0 10 6">
+  <style>
+    path:not(:target) {
+      display: none;
+    }
+  </style>
+  <path id="down" d="M0 1l1-1 4 4 4-4 1 1-5 5"/>
+  <path id="up" d="M0 5l1 1 4-4 4 4 1-1-5-5"/>
+</svg>
diff --git a/toolkit/themes/shared/jar.inc.mn b/toolkit/themes/shared/jar.inc.mn
index 9c3d86a40..e361e744f 100644
--- a/toolkit/themes/shared/jar.inc.mn
+++ b/toolkit/themes/shared/jar.inc.mn
@@ -15,23 +15,23 @@ toolkit.jar:
   skin/classic/global/aboutCache.css                       (../../shared/aboutCache.css)
   skin/classic/global/aboutCacheEntry.css                  (../../shared/aboutCacheEntry.css)
   skin/classic/global/aboutMemory.css                      (../../shared/aboutMemory.css)
-  skin/classic/global/aboutReader.css                      (../../shared/aboutReader.css)
-  skin/classic/global/aboutReaderContent.css               (../../shared/aboutReaderContent.css)
-* skin/classic/global/aboutReaderControls.css              (../../shared/aboutReaderControls.css)
+* skin/classic/global/aboutReader.css                      (../../shared/aboutReader.css)
   skin/classic/global/aboutSupport.css                     (../../shared/aboutSupport.css)
   skin/classic/global/appPicker.css                        (../../shared/appPicker.css)
   skin/classic/global/config.css                           (../../shared/config.css)
-  skin/classic/global/timepicker.css                       (../../shared/timepicker.css)
+  skin/classic/global/datetimeinputpickers.css             (../../shared/datetimeinputpickers.css)
+  skin/classic/global/datetimepopup.css                    (../../shared/datetimepopup.css)
+  skin/classic/global/icons/calendar-arrows.svg            (../../shared/icons/calendar-arrows.svg)
   skin/classic/global/icons/find-arrows.svg                (../../shared/icons/find-arrows.svg)
   skin/classic/global/icons/info.svg                       (../../shared/incontent-icons/info.svg)
   skin/classic/global/icons/input-clear.svg                (../../shared/icons/input-clear.svg)
   skin/classic/global/icons/loading.png                    (../../shared/icons/loading.png)
   skin/classic/global/icons/loading@2x.png                 (../../shared/icons/loading@2x.png)
+  skin/classic/global/icons/spinner-arrows.svg             (../../shared/icons/spinner-arrows.svg)
   skin/classic/global/icons/warning.svg                    (../../shared/incontent-icons/warning.svg)
   skin/classic/global/icons/blocked.svg                    (../../shared/incontent-icons/blocked.svg)
   skin/classic/global/alerts/alert-common.css              (../../shared/alert-common.css)
   skin/classic/global/narrate.css                          (../../shared/narrate.css)
-  skin/classic/global/narrateControls.css                  (../../shared/narrateControls.css)
   skin/classic/global/narrate/arrow.svg                    (../../shared/narrate/arrow.svg)
   skin/classic/global/narrate/back.svg                     (../../shared/narrate/back.svg)
   skin/classic/global/narrate/fast.svg                     (../../shared/narrate/fast.svg)
@@ -59,7 +59,7 @@ toolkit.jar:
   skin/classic/global/reader/RM-Content-Width-Plus-44x16.svg             (../../shared/reader/RM-Content-Width-Plus-44x16.svg)
   skin/classic/global/reader/RM-Line-Height-Minus-38x14.svg            (../../shared/reader/RM-Line-Height-Minus-38x14.svg)
   skin/classic/global/reader/RM-Line-Height-Plus-38x24.svg             (../../shared/reader/RM-Line-Height-Plus-38x24.svg)
-  skin/classic/global/media/TopLevelImageDocument.css      (../../shared/media/TopLevelImageDocument.css)
+* skin/classic/global/media/TopLevelImageDocument.css      (../../shared/media/TopLevelImageDocument.css)
   skin/classic/global/media/TopLevelVideoDocument.css      (../../shared/media/TopLevelVideoDocument.css)
   skin/classic/global/media/imagedoc-lightnoise.png        (../../shared/media/imagedoc-lightnoise.png)
   skin/classic/global/media/imagedoc-darknoise.png         (../../shared/media/imagedoc-darknoise.png)
diff --git a/toolkit/themes/shared/media/TopLevelImageDocument.css b/toolkit/themes/shared/media/TopLevelImageDocument.css
index 524217516..de970512c 100644
--- a/toolkit/themes/shared/media/TopLevelImageDocument.css
+++ b/toolkit/themes/shared/media/TopLevelImageDocument.css
@@ -5,6 +5,12 @@
 @media not print {
   /* N.B.: Remember to update ImageDocument.css in the tree or reftests may fail! */
 
+%ifdef MC_PALEMOON
+  body {
+    color: #eee;
+    background: #2E3B41;
+  }
+%else
   body {
     color: #eee;
     background-image: url("chrome://global/skin/media/imagedoc-darknoise.png");
@@ -14,4 +20,5 @@
     background: hsl(0,0%,90%) url("chrome://global/skin/media/imagedoc-lightnoise.png");
     color: #222;
   }
+%endif
 }
diff --git a/toolkit/themes/shared/narrate.css b/toolkit/themes/shared/narrate.css
index 8a44e78e2..836b5d686 100644
--- a/toolkit/themes/shared/narrate.css
+++ b/toolkit/themes/shared/narrate.css
@@ -1,3 +1,6 @@
+/* Avoid adding ID selector rules in this style sheet, since they could
+ * inadvertently match elements in the article content. */
+
 .narrating {
   position: relative;
   z-index: 1;
@@ -22,7 +25,7 @@ body.dark .narrating {
   z-index: -1;
   border-bottom-style: solid;
   border-bottom-width: 7px;
-  transition: left 0.1s ease;
+  transition: left 0.1s ease, width 0.1s ease;
 }
 
 .narrating > .narrate-word-highlight {
@@ -44,3 +47,193 @@ body.sepia .narrate-word-highlight {
 body.dark .narrate-word-highlight {
   border-bottom-color: #6f6f6f;
 }
+
+.narrate-dropdown {
+  --border-color: #e5e5e5;
+}
+
+.narrate-toggle > svg {
+  display: block;
+  margin: 0 8px;
+}
+
+.narrate-dropdown > .dropdown-popup button {
+  background-color: transparent;
+}
+
+.narrate-dropdown > .dropdown-popup button:hover:not(:disabled) {
+  background-color: #eaeaea;
+}
+
+.narrate-row {
+  display: flex;
+  align-items: center;
+  min-height: 40px;
+  box-sizing: border-box;
+}
+
+.narrate-row:not(:first-child) {
+  border-top: 1px solid var(--border-color);
+}
+
+/* Control buttons */
+
+.narrate-control > button {
+  background-size: 24px 24px;
+  background-repeat: no-repeat;
+  background-position: center center;
+  height: 64px;
+  width: 100px;
+  border: none;
+  color: #666;
+  box-sizing: border-box;
+}
+
+.narrate-control > button:not(:first-child) {
+  border-left: 1px solid var(--border-color);
+}
+
+.narrate-skip-previous {
+  border-top-left-radius: 3px;
+  background-image: url("chrome://global/skin/narrate/back.svg#enabled");
+  -moz-context-properties: fill;
+  fill: rgb(128 128 128);
+}
+
+.narrate-skip-next {
+  border-top-right-radius: 3px;
+  background-image: url("chrome://global/skin/narrate/forward.svg#enabled");
+  -moz-context-properties: fill;
+  fill: rgb(128 128 128);
+}
+
+.narrate-skip-previous:disabled {
+  background-image: url("chrome://global/skin/narrate/back.svg#disabled");
+}
+
+.narrate-skip-next:disabled {
+  background-image: url("chrome://global/skin/narrate/forward.svg#disabled");
+}
+
+.narrate-start-stop {
+  background-image: url("chrome://global/skin/narrate/start.svg");
+}
+
+.narrate-dropdown.speaking .narrate-start-stop {
+  background-image: url("chrome://global/skin/narrate/stop.svg");
+}
+
+/* Rate control */
+
+.narrate-rate::before, .narrate-rate::after {
+  content: '';
+  width: 48px;
+  height: 40px;
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: 24px auto;
+}
+
+.narrate-rate::before {
+  background-image: url("chrome://global/skin/narrate/slow.svg");
+}
+
+.narrate-rate::after {
+  background-image: url("chrome://global/skin/narrate/fast.svg");
+}
+
+.narrate-rate-input {
+  margin: 0 1px;
+  flex-grow: 1;
+}
+
+.narrate-rate-input::-moz-range-track {
+  background-color: #979797;
+  height: 2px;
+}
+
+.narrate-rate-input::-moz-range-progress {
+  background-color: #2EA3FF;
+  height: 2px;
+}
+
+.narrate-rate-input::-moz-range-thumb {
+  background-color: #808080;
+  height: 16px;
+  width: 16px;
+  border-radius: 8px;
+  border-width: 0;
+}
+
+.narrate-rate-input:active::-moz-range-thumb {
+  background-color: #2EA3FF;
+}
+
+/* Voice selection */
+
+.voiceselect {
+  width: 100%;
+}
+
+.voiceselect > button.select-toggle,
+.voiceselect > .options > button.option {
+  -moz-appearance: none;
+  border: none;
+  width: 100%;
+  min-height: 40px;
+}
+
+.voiceselect.open > button.select-toggle {
+  border-bottom: 1px solid var(--border-color);
+}
+
+.voiceselect > button.select-toggle::after {
+  content: '';
+  background-image: url("chrome://global/skin/narrate/arrow.svg");
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: 12px 12px;
+  display: inline-block;
+  width: 1.5em;
+  height: 1em;
+  vertical-align: middle;
+}
+
+.voiceselect > .options > button.option:not(:first-child) {
+  border-top: 1px solid var(--border-color);
+}
+
+.voiceselect > .options > button.option  {
+  box-sizing: border-box;
+}
+
+.voiceselect > .options:not(.hovering) > button.option:focus {
+  background-color: #eaeaea;
+}
+
+.voiceselect > .options:not(.hovering) > button.option:hover:not(:focus) {
+  background-color: transparent;
+}
+
+.voiceselect > .options > button.option::-moz-focus-inner {
+  outline: none;
+  border: 0;
+}
+
+.voiceselect > .options {
+  display: none;
+  overflow-y: auto;
+}
+
+.voiceselect.open > .options {
+  display: block;
+}
+
+.current-voice {
+  color: #7f7f7f;
+}
+
+.voiceselect:not(.open) > button,
+.voiceselect .option:last-child {
+  border-radius: 0 0 3px 3px;
+}
diff --git a/toolkit/themes/shared/narrateControls.css b/toolkit/themes/shared/narrateControls.css
deleted file mode 100644
index 91d02d85a..000000000
--- a/toolkit/themes/shared/narrateControls.css
+++ /dev/null
@@ -1,185 +0,0 @@
-:scope {
-  --border-color: #e5e5e5;
-}
-
-#narrate-toggle > svg {
-  display: block;
-  margin: 0 8px;
-}
-
-.dropdown-popup button {
-  background-color: transparent;
-}
-
-.dropdown-popup button:hover:not(:disabled) {
-  background-color: #eaeaea;
-}
-
-.narrate-row {
-  display: flex;
-  align-items: center;
-  min-height: 40px;
-  box-sizing: border-box;
-}
-
-.narrate-row:not(:first-child) {
-  border-top: 1px solid var(--border-color);
-}
-
-/* Control buttons */
-
-#narrate-control > button {
-  background-size: 24px 24px;
-  background-repeat: no-repeat;
-  background-position: center center;
-  height: 64px;
-  width: 100px;
-  border: none;
-  color: #666;
-  box-sizing: border-box;
-}
-
-#narrate-control > button:not(:first-child) {
-  border-left: 1px solid var(--border-color);
-}
-
-#narrate-skip-previous {
-  border-top-left-radius: 3px;
-  background-image: url("chrome://global/skin/narrate/back.svg#enabled");
-}
-
-#narrate-skip-next {
-  border-top-right-radius: 3px;
-  background-image: url("chrome://global/skin/narrate/forward.svg#enabled");
-}
-
-#narrate-skip-previous:disabled {
-  background-image: url("chrome://global/skin/narrate/back.svg#disabled");
-}
-
-#narrate-skip-next:disabled {
-  background-image: url("chrome://global/skin/narrate/forward.svg#disabled");
-}
-
-#narrate-start-stop {
-  background-image: url("chrome://global/skin/narrate/start.svg");
-}
-
-#narrate-dropdown.speaking #narrate-start-stop {
-  background-image: url("chrome://global/skin/narrate/stop.svg");
-}
-
-/* Rate control */
-
-#narrate-rate::before, #narrate-rate::after {
-  content: '';
-  width: 48px;
-  height: 40px;
-  background-position: center;
-  background-repeat: no-repeat;
-  background-size: 24px auto;
-}
-
-#narrate-rate::before {
-  background-image: url("chrome://global/skin/narrate/slow.svg");
-}
-
-#narrate-rate::after {
-  background-image: url("chrome://global/skin/narrate/fast.svg");
-}
-
-#narrate-rate-input {
-  margin: 0 1px;
-  flex-grow: 1;
-}
-
-#narrate-rate-input::-moz-range-track {
-  background-color: #979797;
-  height: 2px;
-}
-
-#narrate-rate-input::-moz-range-progress {
-  background-color: #2EA3FF;
-  height: 2px;
-}
-
-#narrate-rate-input::-moz-range-thumb {
-  background-color: #808080;
-  height: 16px;
-  width: 16px;
-  border-radius: 8px;
-  border-width: 0;
-}
-
-#narrate-rate-input:active::-moz-range-thumb {
-  background-color: #2EA3FF;
-}
-
-/* Voice selection */
-
-.voiceselect {
-  width: 100%;
-}
-
-.voiceselect > button.select-toggle,
-.voiceselect > .options > button.option {
-  -moz-appearance: none;
-  border: none;
-  width: 100%;
-  min-height: 40px;
-}
-
-.voiceselect.open > button.select-toggle {
-  border-bottom: 1px solid var(--border-color);
-}
-
-.voiceselect > button.select-toggle::after {
-  content: '';
-  background-image: url("chrome://global/skin/narrate/arrow.svg");
-  background-position: center;
-  background-repeat: no-repeat;
-  background-size: 12px 12px;
-  display: inline-block;
-  width: 1.5em;
-  height: 1em;
-  vertical-align: middle;
-}
-
-.voiceselect > .options > button.option:not(:first-child) {
-  border-top: 1px solid var(--border-color);
-}
-
-.voiceselect > .options > button.option  {
-  box-sizing: border-box;
-}
-
-.voiceselect > .options:not(.hovering) > button.option:focus {
-  background-color: #eaeaea;
-}
-
-.voiceselect > .options:not(.hovering) > button.option:hover:not(:focus) {
-  background-color: transparent;
-}
-
-.voiceselect > .options > button.option::-moz-focus-inner {
-  outline: none;
-  border: 0;
-}
-
-.voiceselect > .options {
-  display: none;
-  overflow-y: auto;
-}
-
-.voiceselect.open > .options {
-  display: block;
-}
-
-.current-voice {
-  color: #7f7f7f;
-}
-
-.voiceselect:not(.open) > button,
-.option:last-child {
-  border-radius: 0 0 3px 3px;
-}
diff --git a/toolkit/themes/shared/non-mac.jar.inc.mn b/toolkit/themes/shared/non-mac.jar.inc.mn
index 637537d9d..23f9da519 100644
--- a/toolkit/themes/shared/non-mac.jar.inc.mn
+++ b/toolkit/themes/shared/non-mac.jar.inc.mn
@@ -142,7 +142,7 @@
 % override chrome://mozapps/skin/extensions/category-extensions.svg       chrome://mozapps/skin/extensions/extensionGeneric.svg
 % override chrome://mozapps/skin/extensions/category-languages.png        chrome://mozapps/skin/extensions/localeGeneric.png
 % override chrome://mozapps/skin/extensions/category-themes.png           chrome://mozapps/skin/extensions/themeGeneric.png
-% override chrome://mozapps/skin/plugins/notifyPluginCrashed.png          chrome://mozapps/skin/plugins/pluginGeneric-16.png
 % override chrome://mozapps/skin/plugins/notifyPluginGeneric.png          chrome://mozapps/skin/plugins/pluginGeneric-16.png
 % override chrome://mozapps/skin/xpinstall/xpinstallItemGeneric.png       chrome://mozapps/skin/extensions/extensionGeneric.png
 #endif
+% override chrome://mozapps/skin/plugins/notifyPluginCrashed.png          chrome://mozapps/skin/plugins/pluginGeneric-16.png
diff --git a/toolkit/themes/shared/reader/RM-Content-Width-Minus-42x16.svg b/toolkit/themes/shared/reader/RM-Content-Width-Minus-42x16.svg
index 48bbb9e89..482a392fb 100644
--- a/toolkit/themes/shared/reader/RM-Content-Width-Minus-42x16.svg
+++ b/toolkit/themes/shared/reader/RM-Content-Width-Minus-42x16.svg
@@ -1,13 +1,10 @@
 <?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">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="42"
      height="16"
      viewBox="0 0 42 16"
diff --git a/toolkit/themes/shared/reader/RM-Content-Width-Plus-44x16.svg b/toolkit/themes/shared/reader/RM-Content-Width-Plus-44x16.svg
index bcdcbe8ad..da02e608f 100644
--- a/toolkit/themes/shared/reader/RM-Content-Width-Plus-44x16.svg
+++ b/toolkit/themes/shared/reader/RM-Content-Width-Plus-44x16.svg
@@ -1,13 +1,10 @@
 <?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">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="44"
      height="16"
      viewBox="0 0 44 16"
diff --git a/toolkit/themes/shared/reader/RM-Line-Height-Minus-38x14.svg b/toolkit/themes/shared/reader/RM-Line-Height-Minus-38x14.svg
index 05d52828a..59517c246 100644
--- a/toolkit/themes/shared/reader/RM-Line-Height-Minus-38x14.svg
+++ b/toolkit/themes/shared/reader/RM-Line-Height-Minus-38x14.svg
@@ -1,13 +1,10 @@
 <?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">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="38"
      height="14"
      viewBox="0 0 38 14"
diff --git a/toolkit/themes/shared/reader/RM-Line-Height-Plus-38x24.svg b/toolkit/themes/shared/reader/RM-Line-Height-Plus-38x24.svg
index 0a5ee0dcc..ba50c5a52 100644
--- a/toolkit/themes/shared/reader/RM-Line-Height-Plus-38x24.svg
+++ b/toolkit/themes/shared/reader/RM-Line-Height-Plus-38x24.svg
@@ -1,13 +1,10 @@
 <?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">
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<svg version="1.1"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
+<svg xmlns="http://www.w3.org/2000/svg"
      width="38"
      height="24"
      viewBox="0 0 38 24"
diff --git a/toolkit/themes/shared/reader/RM-Type-Controls-Arrow.svg b/toolkit/themes/shared/reader/RM-Type-Controls-Arrow.svg
index 837392ff3..9c663119f 100644
--- a/toolkit/themes/shared/reader/RM-Type-Controls-Arrow.svg
+++ b/toolkit/themes/shared/reader/RM-Type-Controls-Arrow.svg
@@ -1,8 +1,8 @@
-<?xml version="1.0" encoding="utf-8"?>

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

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

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

-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">

-  <polygon opacity="0.15"  points="16.583,0.015 16.569,0 4.583,12 16.569,24 16.583,23.985"/>

-  <polygon fill="#fbfbfb" points="16.575,1.021 16.561,1.008 5.583,12 16.577,23.008 16.591,22.994 "/>

-</svg>

+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 24">
+  <polygon points="16.58 0.01 16.57 0 4.58 12 16.57 24 16.58 23.98 16.58 0.01" fill="#b5b5b5"/>
+  <polyline points="16.63 1.51 6.08 12.01 16.63 22.5" fill="#fbfbfb"/>
+</svg>
diff --git a/toolkit/themes/shared/timepicker.css b/toolkit/themes/shared/timepicker.css
deleted file mode 100644
index e8d081b30..000000000
--- a/toolkit/themes/shared/timepicker.css
+++ /dev/null
@@ -1,153 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-:root {
-  --font-size-default: 1.1rem;
-  --spinner-width: 3rem;
-  --spinner-margin-top-bottom: 0.4rem;
-  --spinner-item-height: 2.4rem;
-  --spinner-item-margin-bottom: 0.1rem;
-  --spinner-button-height: 1.2rem;
-  --colon-width: 2rem;
-  --day-period-spacing-width: 1rem;
-
-  --border: 0.1rem solid #D6D6D6;
-  --border-radius: 0.3rem;
-
-  --font-color: #191919;
-  --fill-color: #EBEBEB;
-
-  --selected-font-color: #FFFFFF;
-  --selected-fill-color: #0996F8;
-
-  --button-font-color: #858585;
-  --button-font-color-hover: #4D4D4D;
-  --button-font-color-active: #191919;
-
-  --disabled-opacity: 0.2;
-}
-
-html {
-  font-size: 10px;
-}
-
-body {
-  margin: 0;
-  color: var(--font-color);
-  font-size: var(--font-size-default);
-}
-
-#time-picker {
-  display: flex;
-  flex-direction: row;
-  justify-content: space-around;
-}
-
-.spinner-container {
-  font-family: sans-serif;
-  display: flex;
-  flex-direction: column;
-  width: var(--spinner-width);
-}
-
-.spinner-container > button {
-  -moz-appearance: none;
-  border: none;
-  background: none;
-  background-color: var(--button-font-color);
-  height: var(--spinner-button-height);
-}
-
-.spinner-container > button:hover {
-  background-color: var(--button-font-color-hover);
-}
-
-.spinner-container > button.active {
-  background-color: var(--button-font-color-active);
-}
-
-.spinner-container > button.up {
-  mask: url("chrome://global/skin/icons/find-arrows.svg#glyph-find-previous") no-repeat 50% 50%;
-}
-
-.spinner-container > button.down {
-  mask: url("chrome://global/skin/icons/find-arrows.svg#glyph-find-next") no-repeat 50% 50%;
-}
-
-.spinner-container.hide-buttons > button {
-  visibility: hidden;
-}
-
-.spinner-container > .spinner {
-  position: relative;
-  width: 100%;
-  margin: var(--spinner-margin-top-bottom) 0;
-  cursor: default;
-  overflow-y: scroll;
-  scroll-snap-type: mandatory;
-  scroll-snap-points-y: repeat(100%);
-}
-
-.spinner-container > .spinner > div {
-  box-sizing: border-box;
-  position: relative;
-  text-align: center;
-  padding: calc((var(--spinner-item-height) - var(--font-size-default)) / 2) 0;
-  margin-bottom: var(--spinner-item-margin-bottom);
-  height: var(--spinner-item-height);
-  -moz-user-select: none;
-  scroll-snap-coordinate: 0 0;
-}
-
-.spinner-container > .spinner > div:hover::before {
-  background: var(--fill-color);
-  border: var(--border);
-  border-radius: var(--border-radius);
-  content: "";
-  position: absolute;
-  top: 0%;
-  bottom: 0%;
-  left: 0%;
-  right: 0%;
-  z-index: -10;
-}
-
-.spinner-container > .spinner:not(.scrolling) > div.selection {
-  color: var(--selected-font-color);
-}
-
-.spinner-container > .spinner > div.selection::before {
-  background: var(--selected-fill-color);
-  border: none;
-  border-radius: var(--border-radius);
-  content: "";
-  position: absolute;
-  top: 0%;
-  bottom: 0%;
-  left: 0%;
-  right: 0%;
-  z-index: -10;
-}
-
-.spinner-container > .spinner > div.disabled::before,
-.spinner-container > .spinner.scrolling > div.selection::before,
-.spinner-container > .spinner.scrolling > div:hover::before {
-  display: none;
-}
-
-.spinner-container > .spinner > div.disabled {
-  opacity: var(--disabled-opacity);
-}
-
-.colon {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  width: var(--colon-width);
-  margin-bottom: 0.3rem;
-}
-
-.spacer {
-  width: var(--day-period-spacing-width);
-}
\ No newline at end of file
diff --git a/toolkit/themes/windows/global/global.css b/toolkit/themes/windows/global/global.css
index aaddef882..6b6a21ca3 100644
--- a/toolkit/themes/windows/global/global.css
+++ b/toolkit/themes/windows/global/global.css
@@ -331,6 +331,7 @@ popupnotificationcontent {
 
 /* :::::: Close button icons ::::: */
 
+%ifdef MOZ_AUSTRALIS
 .close-icon {
   list-style-image: url("chrome://global/skin/icons/close.png");
   -moz-image-region: rect(0, 20px, 20px, 0);
@@ -398,3 +399,17 @@ popupnotificationcontent {
     }
   }
 }
+%else
+.close-icon {
+  list-style-image: url("chrome://global/skin/icons/close.svg");
+  -moz-image-region: rect(0, 16px, 16px, 0);
+}
+
+.close-icon:hover {
+  -moz-image-region: rect(0, 32px, 16px, 16px);
+}
+
+.close-icon:hover:active {
+  -moz-image-region: rect(0, 48px, 16px, 32px);
+}
+%endif
diff --git a/toolkit/themes/windows/global/icons/close-inverted.svg b/toolkit/themes/windows/global/icons/close-inverted.svg
new file mode 100644
index 000000000..ac2bd887d
--- /dev/null
+++ b/toolkit/themes/windows/global/icons/close-inverted.svg
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>

+<svg width="64" height="16" version="1.0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">

+  <defs>

+    <linearGradient id="d" x1="5.5" x2="5.5" y1="1" y2="7" gradientTransform="translate(17,1)" gradientUnits="userSpaceOnUse">

+      <stop stop-color="#e35d5d" offset="0"/>

+      <stop stop-color="#e35d5d" stop-opacity="0" offset="1"/>

+    </linearGradient>

+  </defs>

+  <g>

+    <rect x="17" y="1" width="14" height="14" rx="2.5" ry="2.5" fill="#b00021" fill-rule="evenodd"/>

+    <rect id="a" x="18" y="2" width="12" height="12" rx="1.5" ry="1.5" color="#000000" color-rendering="auto" fill="url(#d)" image-rendering="auto" shape-rendering="auto" solid-color="#000000" style="isolation:auto;mix-blend-mode:normal"/>

+    <path id="c" d="m26.8 5.2-5.6 5.6m0-5.6 5.6 5.6" fill="none" stroke="#fff" stroke-linecap="square" stroke-width="1.4"/>

+    <path id="b" d="m10.8 5.2-5.6 5.6m0-5.6 5.6 5.6" fill="none" stroke="#d0d0d0" stroke-linecap="square" stroke-width="1.4"/>

+    <rect x="33" y="1" width="14" height="14" rx="2" ry="2" fill="#800018" fill-rule="evenodd"/>

+    <use transform="translate(48)" width="100%" height="100%" opacity=".5" xlink:href="#b"/>

+    <use transform="translate(16)" width="100%" height="100%" opacity=".6" xlink:href="#a"/>

+    <use transform="translate(16)" width="100%" height="100%" opacity=".6" xlink:href="#c"/>

+  </g>

+</svg>

diff --git a/toolkit/themes/windows/global/icons/close.svg b/toolkit/themes/windows/global/icons/close.svg
new file mode 100644
index 000000000..4093c880d
--- /dev/null
+++ b/toolkit/themes/windows/global/icons/close.svg
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>

+<svg width="64" height="16" version="1.0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">

+  <defs>

+    <linearGradient id="d" x1="5.5" x2="5.5" y1="1" y2="7" gradientTransform="translate(17,1)" gradientUnits="userSpaceOnUse">

+      <stop stop-color="#e35d5d" offset="0"/>

+      <stop stop-color="#e35d5d" stop-opacity="0" offset="1"/>

+    </linearGradient>

+  </defs>

+  <g>

+    <rect x="17" y="1" width="14" height="14" rx="2.5" ry="2.5" fill="#b00021" fill-rule="evenodd"/>

+    <rect id="a" x="18" y="2" width="12" height="12" rx="1.5" ry="1.5" color="#000000" color-rendering="auto" fill="url(#d)" image-rendering="auto" shape-rendering="auto" solid-color="#000000" style="isolation:auto;mix-blend-mode:normal"/>

+    <path id="c" d="m26.8 5.2-5.6 5.6m0-5.6 5.6 5.6" fill="none" stroke="#fff" stroke-linecap="square" stroke-width="1.4"/>

+    <path id="b" d="m10.8 5.2-5.6 5.6m0-5.6 5.6 5.6" fill="none" stroke="#303030" stroke-linecap="square" stroke-width="1.4"/>

+    <rect x="33" y="1" width="14" height="14" rx="2" ry="2" fill="#800018" fill-rule="evenodd"/>

+    <use transform="translate(48)" width="100%" height="100%" opacity=".5" xlink:href="#b"/>

+    <use transform="translate(16)" width="100%" height="100%" opacity=".6" xlink:href="#a"/>

+    <use transform="translate(16)" width="100%" height="100%" opacity=".6" xlink:href="#c"/>

+  </g>

+</svg>

diff --git a/toolkit/themes/windows/global/icons/loading_16.png b/toolkit/themes/windows/global/icons/loading_16.png
new file mode 100644
index 000000000..0315d470b
--- /dev/null
+++ b/toolkit/themes/windows/global/icons/loading_16.png
diff --git a/toolkit/themes/windows/global/icons/notloading_16.png b/toolkit/themes/windows/global/icons/notloading_16.png
new file mode 100644
index 000000000..f8366ded5
--- /dev/null
+++ b/toolkit/themes/windows/global/icons/notloading_16.png
diff --git a/toolkit/themes/windows/global/inContentUI.css b/toolkit/themes/windows/global/inContentUI.css
new file mode 100644
index 000000000..a3bca7b06
--- /dev/null
+++ b/toolkit/themes/windows/global/inContentUI.css
@@ -0,0 +1,159 @@
+/* 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 default namespace for this file is XUL. Be sure to prefix rules that
+ * are applicable to both XUL and HTML with '*|'.
+ */
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+/* Page background */
+*|*:root {
+  -moz-appearance: none;
+  padding: 18px;
+  background-repeat: repeat;
+  color: -moz-dialogText;
+  background-color: -moz-dialog;
+  background-image: /* Texture */
+                    url("chrome://global/skin/inContentUI/background-texture.png");
+}
+
+html|html {
+  font: message-box;
+}
+
+@media (-moz-windows-default-theme) and (-moz-os-version: windows-vista),
+       (-moz-windows-default-theme) and (-moz-os-version: windows-win7) {
+  *|*:root {
+    color: #000;
+    background-color: #CCD9EA;
+  }
+}
+
+@media (-moz-windows-glass) {
+  *|*:root {
+    /* Blame shorlander for this monstrosity. */
+    background-image: /* Side gradients */
+                      linear-gradient(to right,
+                                      rgba(255,255,255,0.2), transparent 40%,
+                                      transparent 60%, rgba(255,255,255,0.2)),
+                      /* Aero-style light beams */
+                      -moz-linear-gradient(left 32deg,
+                                           /* First light beam */
+                                           transparent 19.5%, rgba(255,255,255,0.1) 20%,
+                                           rgba(255,255,255,0.1) 21.5%, rgba(255,255,255,0.2) 22%,
+                                           rgba(255,255,255,0.2) 25.5%, rgba(255,255,255,0.1) 26%,
+                                           rgba(255,255,255,0.1) 27.5%, transparent 28%,
+                                           /* Second light beam */
+                                           transparent 49.5%, rgba(255,255,255,0.1) 50%,
+                                           rgba(255,255,255,0.1) 52.5%, rgba(255,255,255,0.2) 53%,
+                                           rgba(255,255,255,0.2) 54.5%, rgba(255,255,255,0.1) 55%,
+                                           rgba(255,255,255,0.1) 57.5%, transparent 58%,
+                                           /* Third light beam */
+                                           transparent 87%, rgba(255,255,255,0.2) 90%),
+                      /* Texture */
+                      url("chrome://global/skin/inContentUI/background-texture.png");
+  }
+}
+
+/* Use the new in-content colors for #contentAreaDownloadsView. After landing
+   of bug 989469 the colors can be moved to *|*:root */
+*|*#contentAreaDownloadsView {
+  background: #f1f1f1;
+  color: #424e5a;
+}
+
+/* Content */
+*|*.main-content {
+  /* Needed to allow the radius to clip the inner content, see bug 595656 */
+  overflow: hidden;
+  background-color: rgba(255, 255, 255, 0.35);
+  background-image: linear-gradient(rgba(255, 255, 255, 0),
+                                    rgba(255, 255, 255, 0.75));
+  border: 1px solid #C3CEDF;
+}
+
+%ifdef XP_WIN
+@media (-moz-os-version: windows-vista),
+       (-moz-os-version: windows-win7) {
+%endif
+  *|*.main-content {
+    border-radius: 5px;
+  }
+%ifdef XP_WIN
+}
+%endif
+
+@media (-moz-windows-glass) {
+  /* Buttons */
+  *|button,
+  menulist,
+  colorpicker[type="button"] {
+    -moz-appearance: none;
+    color: black;
+    padding: 0 5px;
+    background: linear-gradient(rgba(251, 252, 253, 0.95), transparent 49%, 
+                                rgba(211, 212, 213, 0.45) 51%, rgba(225, 226, 229, 0.3));
+    background-clip: padding-box;
+    border-radius: 3px;
+    border: 1px solid rgba(31, 64, 100, 0.4);
+    border-top-color: rgba(31, 64, 100, 0.3);
+    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25) inset,
+                0 0 2px 1px rgba(255, 255, 255, 0.25) inset;
+  }
+
+  menulist {
+    -moz-padding-end: 0;
+  }
+
+  colorpicker[type="button"]:-moz-focusring:not([open="true"]) > .colorpicker-button-colorbox {
+    outline: 1px dotted ThreeDDarkShadow;
+  }
+
+  html|button[disabled],
+  button[disabled="true"],
+  menulist[disabled="true"],
+  colorpicker[type="button"][disabled="true"] {
+    -moz-border-top-colors: rgba(31, 64, 100, 0.3) !important;
+    -moz-border-right-colors: rgba(31, 64, 100, 0.4) !important;
+    -moz-border-bottom-colors: rgba(31, 64, 100, 0.4) !important;
+    -moz-border-left-colors: rgba(31, 64, 100, 0.4) !important;
+    opacity: 0.8;
+    color: #505050;
+  }
+
+  html|button:not([disabled]):active:hover,
+  button:not([disabled="true"]):active:hover,
+  menulist[open="true"]:not([disabled="true"]),
+  colorpicker[type="button"][open="true"]:not([disabled="true"]) {
+    background-color: rgba(61, 76, 92, 0.2);
+    border-color: rgba(39, 53, 68, 0.5);
+    box-shadow: 0 0 3px 1px rgba(39, 53, 68, 0.2) inset;
+  }
+
+  button > .button-box {
+    padding: 1px !important;
+  }
+
+  spinbuttons > .spinbuttons-box > .spinbuttons-button {
+    border-radius: 0;
+    padding: 0 4px;
+  }
+
+  spinbuttons > .spinbuttons-box > .spinbuttons-up {
+    list-style-image: url("chrome://global/skin/arrow/arrow-up.gif");
+    border-bottom-width: 0;
+  }
+
+  spinbuttons > .spinbuttons-box > .spinbuttons-down {
+    list-style-image: url("chrome://global/skin/arrow/arrow-dn.gif");
+  }
+}
+
+colorpicker[type="button"] {
+  margin: 1px 5px 2px 5px;
+  padding: 3px;
+  height: 25px;
+}
diff --git a/toolkit/themes/windows/global/jar.mn b/toolkit/themes/windows/global/jar.mn
index a6ccbd71d..a2cc9e2ea 100644
--- a/toolkit/themes/windows/global/jar.mn
+++ b/toolkit/themes/windows/global/jar.mn
@@ -27,6 +27,7 @@ toolkit.jar:
   skin/classic/global/console/itemSelected.png             (console/itemSelected.png)
   skin/classic/global/findBar.css
 * skin/classic/global/global.css
+* skin/classic/global/inContentUI.css
   skin/classic/global/listbox.css
   skin/classic/global/netError.css
   skin/classic/global/numberbox.css
@@ -44,11 +45,15 @@ toolkit.jar:
   skin/classic/global/icons/autocomplete-search.svg        (icons/autocomplete-search.svg)
   skin/classic/global/icons/blacklist_favicon.png          (icons/blacklist_favicon.png)
   skin/classic/global/icons/blacklist_large.png            (icons/blacklist_large.png)
+  skin/classic/global/icons/close.svg                      (icons/close.svg)
+  skin/classic/global/icons/close-inverted.svg             (icons/close-inverted.svg)
   skin/classic/global/icons/close-win7.png                 (icons/close-win7.png)
   skin/classic/global/icons/close-win7@2x.png              (icons/close-win7@2x.png)
   skin/classic/global/icons/close-inverted-win7.png        (icons/close-inverted-win7.png)
   skin/classic/global/icons/close-inverted-win7@2x.png     (icons/close-inverted-win7@2x.png)
   skin/classic/global/icons/find.png                       (icons/find.png)
+  skin/classic/global/icons/loading_16.png                 (icons/loading_16.png)
+  skin/classic/global/icons/notloading_16.png              (icons/notloading_16.png)
   skin/classic/global/icons/resizer.png                    (icons/resizer.png)
   skin/classic/global/icons/sslWarning.png                 (icons/sslWarning.png)
 * skin/classic/global/in-content/common.css                (in-content/common.css)