diff --git a/www/theme/default/style.css b/www/theme/default/style.css
index a8fda8a560..ca3c0eff9a 100644
--- a/www/theme/default/style.css
+++ b/www/theme/default/style.css
@@ -93,7 +93,7 @@ a.showMoreImage:hover {opacity: 1;}
 .icon-size-width:before {content: "\e9c5"; transform: rotate(90deg); -ms-transform: rotate(90deg); -moz-transform: rotate(90deg); -webkit-transform: rotate(90deg); -o-transform: rotate(90deg);}
 .checkbox-primary > label{overflow: hidden;}
 
-body.xxc-embed {overflow-x: auto; overflow-y: hidden;}
+body.xxc-embed {overflow-x: auto; overflow-y: hidden; height: 600px;}
 .xxc-embed #header {position: fixed;top: 0;width: 100%;z-index: 10;}
 .xxc-embed #toolbar {position: fixed;right: 120px!important;}
 .xxc-embed #main {position: absolute;top: 50px;bottom: 0;left: 0;right: 0;overflow: auto;}