diff --git a/style.css b/style.css
index 9029c23e..372bb400 100644
--- a/style.css
+++ b/style.css
@@ -4,6 +4,7 @@ html, body, #map {
   height: 100%;
   width: 100%;
   overflow: hidden; /* workaround for #373 */
+  background: #000;
 }
 
 body {