Fix gr-diff to shows diff background colours
Change background: to background-image as background:
will overide any background-* vars.
Bug: Issue 8612
Change-Id: Ibc6632d09a0f258e852d21b13ff05bb68dd00ad0
diff --git a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
index c166695..aa88c61 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
@@ -248,7 +248,7 @@
.full-width td.content,
.full-width td.blank {
/* Base 64 encoded 1x1px of #ddd */
- background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mO8+x8AAr8B3gzOjaQAAAAASUVORK5CYII=');
+ background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mO8+x8AAr8B3gzOjaQAAAAASUVORK5CYII=');
background-position: var(--line-limit) 0;
background-repeat: repeat-y;
}