diff --git a/core/css/styles.css b/core/css/styles.css
index 9c48ba3a2b..afb0204112 100644
--- a/core/css/styles.css
+++ b/core/css/styles.css
@@ -58,8 +58,10 @@ input[type="submit"].highlight{ background:#ffc100; border:1px solid #db0; text-
 #controls .button { display:inline-block; }
 #content { top: 3.5em; left: 12.5em; position: absolute; }
 #leftcontent, .leftcontent { position:fixed; overflow: auto; top:6.4em; width:20em; background:#f8f8f8; border-right:1px solid #ddd; }
-#leftcontent li, .leftcontent li { background:#f8f8f8; padding:.3em .8em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; -webkit-transition:background-color 500ms; -moz-transition:background-color 500ms; -o-transition:background-color 500ms; transition:background-color 500ms; }
+#leftcontent li, .leftcontent li { background:#f8f8f8; padding:.5em .8em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; -webkit-transition:background-color 200ms; -moz-transition:background-color 200ms; -o-transition:background-color 200ms; transition:background-color 200ms; }
 #leftcontent li:hover, #leftcontent li:active, #leftcontent li.active, .leftcontent li:hover, .leftcontent li:active, .leftcontent li.active { background:#eee; }
+#leftcontent li.active, .leftcontent li.active { font-weight:bold; }
+#leftcontent li:hover, .leftcontent li:hover { color:#333; background:#ddd; }
 #rightcontent, .rightcontent { position:fixed; top: 6.4em; left: 32.5em; overflow: auto }