Tweak the class list page

Tools/Documentation/doxygen.css

@@ -118,10 +118,18 @@ div.qindex, div.navpath {
 	line-height: 140%;
 }
 
+div.qindex+table {
+    margin: 1.5em;
+}
+
 div.qindex+table td {
     padding: .2em 0;
 }
 
+div.qindex+table tr td table {
+    display: none;
+}
+
 div.navtab {
 	margin-right: 15px;
 }