diff --git a/html5/verto/demo/index.html b/html5/verto/demo/index.html
index af26f5b2b1..e40e1029fa 100644
--- a/html5/verto/demo/index.html
+++ b/html5/verto/demo/index.html
@@ -34,13 +34,13 @@
 	background-color: #eeeeee;
 	width: 500px;
 	height:150px;
-	max-height:150px;
 	overflow-y: scroll;
 	scrolling: auto;
 	text-align: left;
 	border-style:inset;
 	font-size: 10pt;
 	color: #3333ff;
+	resize:both;
 }
 
 .chatuid