.tp-backdrop.tp-active {
    opacity: 0.9 !important;
}
@media screen and (min-width:768px) {
    div.tp-modal {
        overflow-y: auto !important;
        top: -50% !important;
        
        -webkit-transform: translateY(50%);
        -moz-transform: translateY(50%);
        -ms-transform: translateY(50%);
        -o-transform: translateY(50%);
        transform: translateY(50%);
    }
    .tp-iframe-wrapper {
        margin: 20px auto !important;
    }
}
@media screen and (max-width:767px) {
    .tp-iframe-wrapper {
        margin: 40px auto 40px !important;
    }
}