diff --git a/src/theme.scss b/src/theme.scss
index c57092151..e3b23fc68 100644
--- a/src/theme.scss
+++ b/src/theme.scss
@@ -149,6 +149,10 @@ input[type="checkbox"], input[type="radio"] {
     margin-left: 5px;
 }
 
+.nav-tabs > li.active > a, .nav-tabs > li.active > a:focus, .nav-tabs > li.active > a:hover {
+    border: 1px solid white;
+}
+
 // ----------------------------
 // Main classes
 // ----------------------------