Ticket #51631: 51631.3.diff

src/wp-admin/css/nav-menus.css

@@ -891 +891 @@
         }
 }
 
+@media only screen and (min-width: 783px) {
+    @supports (position: sticky) and (scroll-margin-bottom: 130px) {
+                
+                .menu-edit input,
+                .menu-edit button,
+                .menu-edit a{
+                        scroll-margin-bottom: 130px;
+                }
+
+        #nav-menu-footer {
+                position: sticky;
+                                bottom: 0;
+                                z-index: 10;
+                                box-shadow: 0 -1px 0 0px #ddd;
+        }
+
+        #save_menu_header {
+                display: none;
+        }
+    }
+}
+
 @media only screen and (max-width: 768px) {
         /* menu locations */
         #menu-locations-wrap .widefat {