--- a/client/css/renkan.css	Thu May 30 12:08:28 2013 +0200
+++ b/client/css/renkan.css	Thu Jun 06 17:24:15 2013 +0200
@@ -140,7 +140,8 @@
     border-style: none solid solid; border-width: 1px; border-color: #cccccc; border-bottom-left-radius: 2px; border-bottom-right-radius: 2px;
 }
 
-.Rk-TopBar-Tooltip-Tip {
+.Rk-TopBar-Tooltip:before {
+    content: "."; display: block; text-indent: -8000px;
     height: 7px; background: url(../img/tooltiparrow.png) center no-repeat; margin: 0 1px;
 }
 
@@ -208,6 +209,21 @@
     opacity: 1; background-position: -138px 0;
 }
 
+.Rk-Home-Button {
+    width: 30px; background-position: -206px 0;
+}
+
+.Rk-Home-Button:hover {
+    background-position: -206px -35px;
+}
+
+.Rk-Open-Button {
+    width: 30px; background-position: -240px 0;
+}
+
+.Rk-Open-Button:hover {
+    background-position: -240px -35px;
+}
 /* Canvas */
 
 .Rk-Editing-Space {