body {
    font-family: Roboto, Arial, sans-serif;
    background: #000;
    color: #fff;
    margin: 0;
        /*margin-inline: 6%;
        margin-block: 3%;*/
}

.aspect-ratio {
    position: relative;
    width: 100%;
    height: calc(100vh);
}

.aspect-ratio iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}

#fullscreen-overlay {
    width: 100%;
    height: 100vh;
    background-color: rgb(0, 0, 0, 0.8);
    position: absolute;
    top: 0;
}

#fullscreen-overlay button {
margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    font-size: 72px;
    background-color: #333;
    color: #aaa;
}

/* for all screens */
#info {
    position: absolute;
    display: none;
    font-size: 60px;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

@media all and (orientation:portrait) {
    .aspect-ratio {
        display: none;
    }
    #info {
        display: block;
    }
}