diff --git a/browser/themes/pinstripe/browser/preferences/preferences.css b/browser/themes/pinstripe/browser/preferences/preferences.css
index 303710554723..49a91b5ba42c 100644
--- a/browser/themes/pinstripe/browser/preferences/preferences.css
+++ b/browser/themes/pinstripe/browser/preferences/preferences.css
@@ -38,10 +38,6 @@
 #
 # ***** END LICENSE BLOCK *****
 */
-prefwindow {
-  padding: 0 !important;
-}
-
 .prefWindow-dlgbuttons {
   margin: 0 12px 8px 12px;
 }
@@ -55,10 +51,6 @@ prefwindow {
   font: -moz-dialog;
 }
 
-prefpane {
-  padding: 12px 12px 0 12px;
-}
-
 .paneSelector {
   list-style-image: url("chrome://browser/skin/preferences/Options.png");
   padding: 0 5px;
diff --git a/toolkit/themes/pinstripe/global/jar.mn b/toolkit/themes/pinstripe/global/jar.mn
index 0c854ec00ec2..739b67739ab4 100644
--- a/toolkit/themes/pinstripe/global/jar.mn
+++ b/toolkit/themes/pinstripe/global/jar.mn
@@ -42,6 +42,7 @@ classic.jar:
 +  skin/classic/global/numberbox.css
    skin/classic/global/plugins.css         (/toolkit/empty-file)
 +  skin/classic/global/popup.css
++  skin/classic/global/preferences.css
 +  skin/classic/global/progressmeter.css
 +  skin/classic/global/radio.css
 +  skin/classic/global/richlistbox.css
diff --git a/toolkit/themes/pinstripe/global/preferences.css b/toolkit/themes/pinstripe/global/preferences.css
new file mode 100644
index 000000000000..b7479bb5e157
--- /dev/null
+++ b/toolkit/themes/pinstripe/global/preferences.css
@@ -0,0 +1,56 @@
+/* ***** 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 the Preferences UI System.
+ *
+ * The Initial Developer of the Original Code is
+ * Ben Goodger.
+ * Portions created by the Initial Developer are Copyright (C) 2005
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Ben Goodger <ben@mozilla.org>
+ *
+ * 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 ***** */
+
+/* ===== preferences.css =====================================================
+  == Styles used by the XUL prefwindow element.
+  ======================================================================= */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+/* ::::: dialog ::::: */
+
+prefwindow {
+  padding: 0;
+}
+
+prefpane {
+  padding: 12px 12px 0 12px;
+}
+
+prefwindow[type="child"] > prefpane {
+  padding: 0;
+}