--- a/toolkit/components/viewconfig/content/config.xul
+++ b/toolkit/components/viewconfig/content/config.xul
@@ -1,14 +1,15 @@
 <?xml version="1.0"?>
 
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
+<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
 <?xml-stylesheet href="chrome://global/skin/in-content/info-pages.css" type="text/css"?>
 <?xml-stylesheet href="chrome://global/skin/config.css" type="text/css"?>
 
 <!DOCTYPE window SYSTEM "chrome://global/locale/config.dtd">
 
 <window id="config"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
         title="&window.title;"