diff --git a/static/css/style.css b/static/css/style.css
index eed54437..6293fb54 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -198,7 +198,9 @@ body.side-menu.active {
 .content-open:before {
   position: absolute;
   top: 0;
-  bottom: 0;
+  left: 0;
+  right: 0;
+  bottom: -20000000000000px;
   width: 100%;
   background-color: rgba(0, 0, 0, 0.5);
   z-index: 99;