diff --git a/app/views/layouts/map.html.erb b/app/views/layouts/map.html.erb
index 3e2996b2e..65ba2ee6a 100644
--- a/app/views/layouts/map.html.erb
+++ b/app/views/layouts/map.html.erb
@@ -66,7 +66,7 @@
     </div>
   </noscript>
 
-  <div id="map-ui">
+  <div id="map-ui" class="bg-body">
   </div>
 
   <div id="map" tabindex="2">