diff --git a/src/modules/behavior/form.js b/src/modules/behavior/form.js
index 638ac9fa2..1fddd8532 100755
--- a/src/modules/behavior/form.js
+++ b/src/modules/behavior/form.js
@@ -638,7 +638,7 @@ $.fn.form.settings = {
     },
     email: function(value){
       var
-        emailRegExp = new RegExp("[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?")
+        emailRegExp = new RegExp("[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?", "i")
       ;
       return emailRegExp.test(value);
     },
diff --git a/src/modules/sidebar.less b/src/modules/sidebar.less
index 957869f5b..4091ba53d 100755
--- a/src/modules/sidebar.less
+++ b/src/modules/sidebar.less
@@ -88,8 +88,11 @@ body {
        Direction
 --------------------*/
 
-
-.ui.right.sidebar {
+.ui.right.very.thin.sidebar,
+.ui.right.thin.sidebar,
+.ui.right.sidebar,
+.ui.right.wide.sidebar,
+.ui.right.very.wide.sidebar {
   left: 100%;
   margin: 0px !important;
 }