diff -r d49b927bfe62 -r bd58970ffd16 client/css/renkan.css
--- a/client/css/renkan.css	Thu Aug 16 17:24:13 2012 +0200
+++ b/client/css/renkan.css	Fri Aug 17 12:50:00 2012 +0200
@@ -45,6 +45,18 @@
     font-size: 10px; font-family: Arial, Helvetica, sans-serif;
 }
 
+.Rk-Bins {
+    background: #F0F0F0; position: absolute; left: 0; top: 0; width: 200px; bottom: 0;
+}
+
+.Rk-Render {
+    position: absolute; left: 200px; top: 0; right: 0; bottom: 0;
+}
+
+.Rk-Editor {
+    position: absolute; left: 0; top: 0;
+}
+
 .Rk-CloseX {
     float: right; cursor: pointer;
 }
@@ -91,4 +103,15 @@
 
 .Rk-ZoomOut:hover {
     background-position: -21px -20px;
-}
\ No newline at end of file
+}
+
+ul.Rk-TabButtons {
+}
+
+li.Rk-TabButton {
+    float: left; padding: 2px; font-size: 13px; border-top-left-radius: 5px; border-top-right-radius: 5px; background: #CCCCCC;
+}
+
+.Rk-TabDiv {
+    width: 100%; clear: both; overflow: auto; border-top: 1px solid #ccc;
+}