diff --git a/theme/canvas/style/core.css b/theme/canvas/style/core.css
index d9b6a22fc2e..1ed3270092e 100644
--- a/theme/canvas/style/core.css
+++ b/theme/canvas/style/core.css
@@ -520,8 +520,12 @@ body {
     background: #ddd;
 }
 
-.gradestable .lastrow td.cell {
-    background: #eee !important;
+table#user-grades tr.avg td.cell {
+    background: #eee;
+}
+
+table#user-grades tr.avg td.vmarked {
+    background-color: #fc3;
 }
 
 .user-grade td.b1t,