diff --git a/src/assets/css/local/nav-main-drawer-cls.css b/src/assets/css/local/nav-main-drawer-cls.css
index 84cf8bf..cee8d01 100644
--- a/src/assets/css/local/nav-main-drawer-cls.css
+++ b/src/assets/css/local/nav-main-drawer-cls.css
@@ -1,7 +1,3 @@
-@media (scripting: enabled) {
-  @media screen(ltnavigation) {
-    .mainnav ul {
-      display: none;
-    }
-  }
+is-land:not(:defined) .mainnav ul {
+  display: none;
 }