reftests: Avoid theme influence

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

diff --git a/testsuite/reftests/background-color-transparent.css b/testsuite/reftests/background-color-transparent.css
index 0d5f5ee2a6415d13d573f8999458a16d6fd5f2be..43cf3100d0c4e7c60608a8e3107526d959ee7ade 100644 (file)
--- 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;