diff --git a/assets/src/css/style.css b/assets/src/css/style.css
index 21030f29a..d176f3d1c 100755
--- a/assets/src/css/style.css
+++ b/assets/src/css/style.css
@@ -927,7 +927,7 @@ div.tip {
     display: block;
 }
 
-.hide {
+.hide, .hidden{
     display: none;
 }