body {
    background-color: #000;
}

video {
    position: fixed;
    text-align: center;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#casbah {
    visibility: hidden;
}

.lock {
    visibility: visible !important;
}

#start {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    color: #fff;
    font-weight: bold;
    font-size: large;
    text-decoration: none;
}