diff -r 000000000000 -r 6474c204b198 browser/devtools/styleeditor/test/resources_inpage2.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/styleeditor/test/resources_inpage2.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+@charset "utf-8";
+
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+*[data-a1=p]   { border-left: 4px solid #F00; }
+*[data-a1=div] { border-left: 4px solid #00F; }
+*[data-a1=h4]  { border-left: 4px solid #0F0; }
+*[data-a1=h3]  { border-left: 4px solid #FF0; }