diff --git a/index.html b/index.html
index 115afdd..a8cf746 100644
--- a/index.html
+++ b/index.html
@@ -146,7 +146,7 @@ $ openssl req -nodes -newkey rsa:2048 -keyout relay.pem -x509 -days 365 -out rel
       </div>
     </div>
     <div class="content" ng-show="connected">
-      <div id="topbar" class="">
+      <div id="topbar" class="horizontal-line">
             <div class="brand">
               <img alt="brand" src="img/favicon.png">
             </div>