.video {
    width: 100%;
}

.playButton {
    border-radius: 90px;
    border: 12px solid #888888;
    height: 100px;
    position: absolute;
    width: 100px;
    margin: auto;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    cursor: pointer;
}

.playButton:before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 25px 0 25px 50px;
    border-color: transparent transparent transparent #888888;
    position: absolute;
    top: 0;
    left: 0;
    right: -10px;
    bottom: 0;
    margin: auto;
}