diff --git a/content/about_page_scrollbars.css b/content/about_page_scrollbars.css
index 24b5a43..bfa418f 100644
--- a/content/about_page_scrollbars.css
+++ b/content/about_page_scrollbars.css
@@ -1,7 +1,7 @@
-@namespace xul url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 @-moz-document url-prefix("about:"){
-  xul|page,
-  xul|scrollbar{
+  page,
+  scrollbar{
     scrollbar-color: rgb(210,210,210) rgb(46,54,69);
     scrollbar-width: thin;
   }