[gtk/matthiasc/for-master: 16/17] reftests: Avoid theme influence

[Matthias Clasen <matthiasc src gnome org>]

commit c8d4a48c0369c6a3585fd25a07875c28baf28b0c
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 24 15:19:24 2020 -0400

    reftests: Avoid theme influence
    
    Reset to defaults in background-color-transparent,
    to avoid theme influence in the results.

 testsuite/reftests/background-color-transparent.css | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/testsuite/reftests/background-color-transparent.css 
b/testsuite/reftests/background-color-transparent.css
index 0d5f5ee2a6..43cf3100d0 100644
--- a/testsuite/reftests/background-color-transparent.css
+++ b/testsuite/reftests/background-color-transparent.css
@@ -1,4 +1,6 @@
-* {
+@import "reset-to-defaults.css";
+
+window {
   background-image: none;
   border-radius: 0;
   background-color: purple;