.video__block {
    position: relative;
    width: 100%;
    max-height: 400px;
}
.video__block video {
    width: 100%;
    max-height: 400px;
}
.video__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(0,0,0,.25);
}
.video__overlay.hidden {
    display: none;
}
.video__play {
    width: 72px;
    height: 72px;
    border: none;
    font-size: 28px;
    cursor: pointer;
    background: rgba(255,255,255,.9);
}
@media screen and (max-width: 768px) {
    .video__block {
        margin: -30px;
    }
}