@media(max-width:768px){
    iframe {
        width: 350px;
        height: 750;

    }

}

/* tab */
@media(min-width:768px) and (max-width:1023px) {
    iframe {
        width: 600px;
        height: 750;

    }



}

@media(min-width:1024px) and (max-width:1440px) {
    iframe {
        width: 500px;
        height: 750;

    }
}