--- a/playground/playground.css	Wed May 23 23:31:14 2012 -0400
+++ b/playground/playground.css	Thu May 24 20:36:53 2012 +0800
@@ -48,16 +48,14 @@
 }
 
 li.button-list {
-  display: block;
-  float: left;
+  display: inline-block;
   margin-right: 6px;
 }
 
 li.button {
   background: transparent url('images/bg_button.gif') no-repeat scroll top right;
   color: #444;
-  display: block;
-  float: left;
+  display: inline-block;
   font: normal 12px arial, sans-serif;
   height: 24px;
   margin-right: 6px;
@@ -97,5 +95,3 @@
 }
 
 #frame {display: none;}
-
-#markup-container { clear: both }