nav menu responsive fix for small screen

vue-theme/src/components/navigation/navigation.vue

@@ -325,6 +325,10 @@ nav.main
                     /* padding: 0 */
                     margin: 0
 
+    @media (max-width: $large)
+        .menu
+            display: none
+
     @media (min-width: $large)
         .menu
             display: flex
@@ -335,4 +339,6 @@ nav.main
     @media (min-width:  $extra-large)
         .menu > ul
             max-width: $max-width
+
+    
 </style>