body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

#bg-video {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Keeps the whole video visible. Change to 'cover' to fill the screen */
    background-color: #000000;
}