diff --git a/src/ui/public/styles/theme.less b/src/ui/public/styles/theme.less
index d87b0def55858..40b4b3d3b88f0 100644
--- a/src/ui/public/styles/theme.less
+++ b/src/ui/public/styles/theme.less
@@ -35,6 +35,7 @@
         font-size: 1.5em;
         padding: 5px 0 6px 0;
         margin: 0 10px;
+        border-bottom: 2px solid transparent;
       }
       // Active, hover state for the getTabs
       > .active > a,