diff --git a/public/css/icinga/menu.less b/public/css/icinga/menu.less
index b583fb1d3..f075b983b 100644
--- a/public/css/icinga/menu.less
+++ b/public/css/icinga/menu.less
@@ -177,13 +177,15 @@
       display: block;
       a, button[type="submit"] {
         background-color: @body-bg-color;
+        border: none;
         left: -999px;
         padding: @vertical-padding @horizontal-padding;
         position: absolute;
         width: 100%;
+        z-index: 1;
         &:focus {
           left: 0;
-          outline: 1px dotted black;
+          outline-offset: -3px;
         }
       }
       button[type="submit"] {