Menu item, just on mobile device (with 2 languages)

Hi we use now the polylang for 2 languages: first englisch, 2. german and i have the same problems with to menu item who i just will show for mobile:

It works in englisch like https://kriesi.at/support/topic/enfold-show-menu-items-only-in-mobile-devices/

but in german not:

1. Video : menu-item-5392
2. Subscribe: menu-item-5386

CSS:

/* Newsletter und Video Menü-Punkt bei Mobile */

@media only screen and (min-width: 1024px) {
#menu-item-4516 {
display: none!important;
}}
@media only screen and (min-width: 1024px) {
#menu-item-5386 {
display: none!important;
}}

@media only screen and (min-width: 769px) {
#menu-item-4538 {
display: none!important;
}}

@media only screen and (min-width: 769px) {
#menu-item-5392 {
display: none!important;
}}

What did i worng?

All the best, Pascal