diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index b3dabff..6562e61 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -627,6 +627,11 @@ div.sidebar {
     background: #D7E6FF;
     color: #674E4E;
 }
+.diff h2 {
+    color: #fff;
+    background: #4e6a91;
+}
+
 /*  */
 table#info li {
     background-image: none;