diff --git a/toolkit/themes/gnomestripe/global/jar.mn b/toolkit/themes/gnomestripe/global/jar.mn
index ed3ba2fd76f..1bda3469218 100644
--- a/toolkit/themes/gnomestripe/global/jar.mn
+++ b/toolkit/themes/gnomestripe/global/jar.mn
@@ -3,6 +3,7 @@ classic.jar:
 +  skin/classic/global/menu.css
 +  skin/classic/global/menulist.css
 +  skin/classic/global/numberbox.css
++  skin/classic/global/tabbox.css
 +  skin/classic/global/toolbar.css
 +  skin/classic/global/toolbarbutton.css
 +  skin/classic/global/button.css
diff --git a/toolkit/themes/gnomestripe/global/tabbox.css b/toolkit/themes/gnomestripe/global/tabbox.css
new file mode 100644
index 00000000000..576ad6a4030
--- /dev/null
+++ b/toolkit/themes/gnomestripe/global/tabbox.css
@@ -0,0 +1,131 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Joe Hewitt (hewitt@netscape.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/* ===== tabbox.css =================================================
+  == Styles used by XUL tab-related elements.
+  ======================================================================= */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+
+/* ::::: tabs ::::: */
+
+tabs {
+  position: relative;
+  z-index: 0;
+}
+
+/* ::::: tabpanels ::::: */
+
+tabpanels {
+  -moz-appearance: tabpanels;
+  border: 2px solid;
+  -moz-border-right-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-left-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-top-colors: ThreeDHighlight ThreeDLightShadow;
+  padding: 8px;
+  background-color: -moz-Dialog;
+  color: -moz-DialogText;
+}
+
+/* ::::: tab ::::: */
+
+tab {
+  position: relative;
+  -moz-appearance: tab;
+  margin-top: 2px;
+  border: 2px solid;
+  border-bottom: none;
+  -moz-border-top-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-right-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-left-colors: ThreeDHighlight ThreeDLightShadow;
+  -moz-border-radius-topleft: 2px;
+  -moz-border-radius-topright: 2px;
+  padding: 3px 4px;
+  background-color: -moz-Dialog;
+  color: -moz-DialogText;
+}
+
+tab[selected="true"] {
+  z-index: 1;
+  margin-top: 0;
+  margin-bottom: -2px;
+  -moz-border-radius-bottomleft: 3px;
+  -moz-border-radius-bottomright: 3px;
+  padding-top: 4px;
+  padding-bottom: 6px;
+  -moz-user-focus: normal;
+}
+
+tab + tab {
+  -moz-margin-start: -2px;
+}
+
+.tab-text {
+  margin: 0 !important;
+}
+
+tab:focus > .tab-middle {
+  /* Don't specify the outline-color, we should always use initial value. */
+  outline: 1px dotted;
+}
+
+/* ::::: tab-bottom ::::::::::
+   :: Tabs that are attached to the bottom of a panel, but not necessarily
+   :: a tabpanels.
+   ::::: */
+
+.tab-bottom {
+  margin-top: 0;
+  margin-bottom: 2px;
+  border-top: none;
+  border-bottom: 2px solid;
+  -moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-radius-topleft: 0;
+  -moz-border-radius-topright: 0;
+  -moz-border-radius-bottomright: 2px;
+  -moz-border-radius-bottomleft: 2px;
+}
+
+.tab-bottom[selected="true"] {
+  margin-bottom: 0;
+  margin-top: -2px;
+  padding-top: 6px;
+  padding-bottom: 4px;
+}