CSS tweak: Added "cursor: pointer" to the filter legend so it becomes clearer that it is clickable

Resources/public/css/layout.css

@@ -79,6 +79,7 @@ fieldset.filter_legend table {
 legend.filter_legend {
     background: url(../famfamfam/bullet_arrow_down.png) no-repeat center left;
     padding-left: 16px;
+    cursor: pointer;
 }
 
 table.sonata-ba-list td {