html, body{
    margin: 0;
    padding: 0;
    background-color: black;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#video{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: black;
    cursor: pointer;
}
#player{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background-color: red;
    z-index: 1000;
    cursor: pointer;
}
#player img{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
}
#buttonControl{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    cursor: pointer;
}