1 files changed, 2 insertions, 1 deletions
diff --git a/docs/assets/css/bootstrap-responsive.css b/docs/assets/css/bootstrap-responsive.css
index 1ad16d6fd..c374fb8e5 100644
--- a/docs/assets/css/bootstrap-responsive.css
+++ b/docs/assets/css/bootstrap-responsive.css
@@ -667,7 +667,8 @@
   .btn-navbar {
     display: block;
   }
-  .nav-collapse {
+  .nav-collapse,
+  .nav-collapse.collapse {
     overflow: hidden;
     height: 0;
   }