.desktop-image-popup {
    display: block;
}

@media screen and (max-width: 960px) {
    .desktop-image-popup {
        display: none !important;
    }
}

/* Скрываем mobile-image-popup на экранах шире 960px */
.mobile-image-popup {
    display: none;
}

@media screen and (max-width: 960px) {
    .mobile-image-popup {
        display: block !important;
    }
}