html, body {
   margin: 0;
    padding: 0;
    background: #000;
}

.video-container {
    display: flex;
    justify-content: center;
    align-items: center;;
}

video {
     width: auto;
    height: auto;
    max-width: none;
    max-height: none;
    outline: none;
    user-select: none;
}