added padding-top for system messages

services/web/public/stylesheets/components/navbar.less

@@ -22,7 +22,6 @@
   }
 }
 
-
 // Navbar heading
 //
 // Groups `.navbar-brand` and `.navbar-toggle` into a single component for easy
@@ -577,3 +576,7 @@
     padding: @navbar-default-padding-v 0;
   }
 }
+
+.system-messages {
+  padding-top: @header-height;
+}