fix css

src/Muzich/CoreBundle/Resources/public/css/main.css

@@ -1515,7 +1515,7 @@ div#group_add_box input[type="submit"]
 
 div#registration_box input.niceinput
 {
-  width: 260px;
+  width: 250px;
 }
 
 div#registration_box label