--- a/devtools/client/eyedropper/eyedropper.xul
+++ b/devtools/client/eyedropper/eyedropper.xul
@@ -1,16 +1,17 @@
 <?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/. -->
 
 <!DOCTYPE window []>
 
+<?xml-stylesheet href="chrome://devtools/skin/common.css" type="text/css"?>
 <?xml-stylesheet href="chrome://devtools/skin/eyedropper.css" type="text/css"?>
 
 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
         no-theme="true">
   <script type="application/javascript;version=1.8"
           src="chrome://devtools/content/shared/theme-switching.js"/>
   <commandset id="eyedropper-commandset">
     <command id="eyedropper-cmd-close"