change to hidden class

templates/register.tpl

@@ -3,8 +3,7 @@
 <div class="row register">
 	<div class="{register_window:spansize}">
 		<div class="well well-lg">
-			<div class="alert alert-danger" id="register-error-notify" <!-- IF error -->style="display:block"<!-- ELSE -->style="display: none;"<!-- ENDIF error -->>
+			<div class="alert alert-danger<!-- IF !error --> hidden<!-- ENDIF !error -->" id="register-error-notify" >
-				<button type="button" class="close" data-dismiss="alert">&times;</button>
 				[[error:registration-error]]
 				<p>{error}</p>
 			</div>