body {    
margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #000;
    overflow: hidden;
    display: block;
    margin: 8px;
}

header img {
    height: 10vh;
    width: auto;
}

img {
    overflow-clip-margin: content-box;
    overflow: clip;
}
video {
    margin-top: 5%;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100%;
}
video[Attributes Style] {
    width: 800px;
}

video {
    object-fit: contain;
    overflow-clip-margin: content-box;
    overflow: clip;
}