dialog {
     margin: auto;
     background: none;
     border: none;
 }

 dialog button {
     background: none;
     display: block;
     text-align: end;
 }

 dialog iframe {
     width: 1440px;
    aspect-ratio: 16/9;
 }

 ::backdrop {
     background: black;
     opacity: 0.85;
 }

@media (max-width: 1080px) {
    dialog iframe{
        max-width: 720px;
    }
}

@media (max-width: 950px) {
    dialog iframe{
        max-width: 480px;
    }
}