diff --git a/themes/wilma/css/wilma.css b/themes/wilma/css/wilma.css
index 253b1465..d360fd00 100644
--- a/themes/wilma/css/wilma.css
+++ b/themes/wilma/css/wilma.css
@@ -415,11 +415,11 @@ ul#browse-classgroups a.selected {
     color: #2ea0cf;
     background: url(../images/arrow.gif) 0 10px no-repeat;
 }
-ul#classgroup-list a:hover {
+ul#classes-in-classgroup a:hover {
     background: url(../images/arrow.gif) 0 10px no-repeat;
     color: #2ea0cf;
 }
-ul#classgroup-list a.selected {
+ul#classes-in-classgroup a.selected {
     color: #2ea0cf;
     background: url(../images/arrow.gif) 0 10px no-repeat;
 }