diff --git a/admin/scss/_tree.scss b/admin/scss/_tree.scss
index 19990a997..df8098c14 100644
--- a/admin/scss/_tree.scss
+++ b/admin/scss/_tree.scss
@@ -338,19 +338,19 @@
 			border: 1px solid silver;
 			@include box-shadow(0 0 10px #CCC);
 			&.col-2{
-				width:360px;
+				width:180px * 2; // 2x the size of the original ul
 				li{
 					width:50%;
 				}
 			}
 			&.col-3{
-				width:540px;
+				width:180px * 3; // 3x the size of the original ul
 				li{
 					width:33%;
 				}
 			}
 			li{
-				min-width:180px;
+				min-width:180px; 
 				float:left;
 				a{
 					@include hide-text-overflow;