div.hideWhenDemoVideo {
    display: none !important;
}

div.demo_video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 1005;
    display: flex;
    align-items: center;
    justify-content: center;
}

div.demo_video_status {
    color: #ccc;
    font-size: 14px;
}

div.demo_video video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

div.demo_video video::-webkit-media-controls-enclosure {
    display: flex;
}