diff --git a/modules/jquery.wikiEditor.toolbar.less b/modules/jquery.wikiEditor.toolbar.less
index ee930246..50d89f63 100644
--- a/modules/jquery.wikiEditor.toolbar.less
+++ b/modules/jquery.wikiEditor.toolbar.less
@@ -242,8 +242,10 @@
 			float: left;
 			width: 20%;
 			height: 125px;
-			overflow: auto;
+			overflow: hidden auto;
 			resize: horizontal;
+			min-width: 6em;
+			max-width: 50%;
 
 			> div {
 				padding: 4px 4px 4px 6px;