diff --git a/assets/css/screen.css b/assets/css/screen.css
index 120783f..75e4a98 100644
--- a/assets/css/screen.css
+++ b/assets/css/screen.css
@@ -529,7 +529,7 @@ body.nav-opened .nav-cover {
     top: 0;
     right: 0;
     bottom: 0;
-    z-index: 5;
+    z-index: 50;
     width: 240px;
     opacity: 0;
     background: #111;