.VideoSource{
    display: none;
    position: absolute;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    background-color: black;
    z-index: 100;
}
.VideoSource video{
    object-fit: cover;
    width: 100vw;
    height: 100vh;
}