diff -r 000000000000 -r 6474c204b198 toolkit/themes/linux/help/help.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/themes/linux/help/help.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,134 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@import url("chrome://global/skin/");
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+#HelpToolbar toolbarbutton {
+  -moz-box-orient: horizontal !important;
+  min-width: 0px;
+  margin: 0 !important;
+  padding: 4px 5px;
+}
+
+#help-back-button {
+  list-style-image: url("moz-icon://stock/gtk-go-back-ltr?size=toolbar");
+}
+
+#help-back-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-back-ltr?size=toolbar&state=disabled");
+}
+
+#help-back-button:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-back-rtl?size=toolbar");
+}
+
+#help-back-button[disabled="true"]:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-back-rtl?size=toolbar&state=disabled");
+}
+
+#help-forward-button {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar");
+}
+
+#help-forward-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=toolbar&state=disabled");
+}
+
+#help-forward-button:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=toolbar");
+}
+
+#help-forward-button[disabled="true"]:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=toolbar&state=disabled");
+}
+
+#help-home-button {
+  list-style-image: url("moz-icon://stock/gtk-home?size=toolbar");
+}
+
+#help-home-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-home?size=toolbar&state=disabled");
+}
+
+#help-print-button {
+  list-style-image: url("moz-icon://stock/gtk-print?size=toolbar");
+}
+
+#help-print-button[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-print?size=toolbar&state=disabled");
+}
+
+/* Hide labels for the toolbar because we really don't need them what with the
+   tooltips */
+#HelpToolbar .toolbarbutton-text {
+  display: none;
+}
+
+/* With no labels, we don't need the margin on the icon that separates it
+   from the label */
+#HelpToolbar .toolbarbutton-icon {
+  -moz-margin-end: 0;
+}
+
+/* Set the minimum sidebar width so the help contents aren't squeezed together.*/
+#help-sidebar { min-width: 15em; width: 20em; max-width: 25em; }
+
+#context-copy[disabled="true"] {
+  display: none;
+}
+
+/**** menuitem stock icons ****/
+menuitem:not([type]) {
+  -moz-binding: url("chrome://global/content/bindings/menu.xml#menuitem-iconic");
+}
+
+#context-back {
+  list-style-image: url("moz-icon://stock/gtk-go-back-ltr?size=menu");
+}
+
+#context-back:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-back-rtl?size=menu");
+}
+
+#context-back[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-back-ltr?size=menu&state=disabled");
+}
+
+#context-back[disabled="true"]:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-back-rtl?size=menu&state=disabled");
+}
+
+#context-forward {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=menu");
+}
+
+#context-forward:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu");
+}
+
+#context-forward[disabled="true"] {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-ltr?size=menu&state=disabled");
+}
+
+#context-forward[disabled="true"]:-moz-locale-dir(rtl) {
+  list-style-image: url("moz-icon://stock/gtk-go-forward-rtl?size=menu&state=disabled");
+}
+
+#context-copy {
+  list-style-image: url("moz-icon://stock/gtk-copy?size=menu");
+}
+
+#context-selectall {
+  list-style-image: url("moz-icon://stock/gtk-select-all?size=menu");
+}
+
+#zoom-in {
+  list-style-image: url("moz-icon://stock/gtk-zoom-in?size=menu");
+}
+
+#zoom-out {
+  list-style-image: url("moz-icon://stock/gtk-zoom-out?size=menu");
+}
+