@media only screen and (max-width: 1440px){
    .assistant_iframe_desktop{
        width: 785px !important;
        height: 430px !important;
    }   
}

@media only screen and (max-width: 2560px) and  (min-width: 1441px)  {
    .assistant_iframe_desktop{
        width:50vw !important;
    }   

    .iframe_desktop,.smartplay, .smartplayer-initial, .smartplayer-hide-controller{
        height: 100% !important;
        width: 100% !important;
    }
   
}