@media (min-width: 350px) and (max-width: 520px) {
    .NoChat {
        z-index: 99999999;
        left: 80% !important;
        top: 90% !important;
    }
    .responsive-iframe {
        top: 0% !important;
        left: 0% !important;
        width: 100% !important;
        height: 100% !important;
        position: absolute !important;
    }
}