@media (max-width: 768px) {
    body.cv-hide-nativechat-checkout iframe[src*="nativechat"],
    body.cv-hide-nativechat-checkout iframe[src*="chat"],
    body.cv-hide-nativechat-checkout .nativechat-widget,
    body.cv-hide-nativechat-checkout .nativechat-launcher {
        display: none !important;
    }
}