update

components/Navbar/NavbarSubMenu.module.css

@@ -105,19 +105,19 @@
     opacity: 0;
     transform: translateY(-8px);
     transition:
-      max-height 300ms ease,
-      opacity 300ms ease,
-      transform 300ms ease,
-      visibility 0s linear 300ms;
+      max-height 200ms ease,
+      opacity 200ms ease,
+      transform 200ms ease,
+      visibility 0s linear 200ms;
     background-color: var(--nav-bg);
   }
 
   .nav-submenu.open {
     transition:
-      max-height 300ms ease,
+      max-height 200ms ease,
       opacity 300ms ease,
       transform 300ms ease,
-      visibility 0s linear 0s;
+      visibility 0s linear 0;
   }
 
   .nav-submenu-list li a:focus-visible {