diff --git a/scss/_tabnav.scss b/scss/_tabnav.scss
index 9c1ea1b9..5ec83f4c 100644
--- a/scss/_tabnav.scss
+++ b/scss/_tabnav.scss
@@ -20,6 +20,7 @@
   line-height: 20px;
   color: #666;
   text-decoration: none;
+  background-color: transparent;
   border: 1px solid transparent;
   border-bottom: 0;