reftests: fix background-size reftest

We have to be careful and not set the background on the labels
themselves.

https://bugzilla.gnome.org/show_bug.cgi?id=670743

diff --git a/tests/reftests/background-size.css b/tests/reftests/background-size.css
index 5dbff99984de7dbff66242ea675dee532c784c16..aae6f9f3502b3a1011c2419ccf0f4ee0f58714ee 100644 (file)
--- a/tests/reftests/background-size.css
+++ b/tests/reftests/background-size.css
@@ -1,6 +1,6 @@
 @import "reset-to-defaults.css";
 
-* {
+.button {
   background-image: url("border-image-balls.png");
   color: black;
   text-shadow: 1px 1px white;