diff --git a/progit/static/progit.css b/progit/static/progit.css
index 674e75e..b352b45 100644
--- a/progit/static/progit.css
+++ b/progit/static/progit.css
@@ -496,3 +496,7 @@ th.month .ui-button-text {
     display: none;
     cursor: pointer;
 }
+
+.pr_comment {
+    background: #fff;
+}