body,html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #000;
}

video {
    width: 100%;
    height: auto;
    max-height: 1080px;
    max-width: 1920px;
}