.ammvcv_mobile_alert_dialog
{
    display: none;
    position: fixed;
    top: 50%;  
    left: 50%; 
    transform: translate(-50%, -50%);
    border-radius: 10px;
    padding:40px 60px 40px 60px;
    color: rgba(255,255,255,1);
    font-size: 18px;
    background: rgba(0,0,0,0.7);
}