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

body {
    overflow: hidden;
    text-align: center; 
    color: #fff;
    background: #000;
}

header {
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    width: 100%;
    background: #000
}

img {
    max-width: 200px;
    height: auto;
    margin: 0 auto;
}

a {
    color: #fff
}

section {
    width: 100%;
    height: 100%
}

video {
    position: relative;
    top: 50%;
    width: 100%;
    height: auto;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}

footer {
    position: absolute;
    z-index: 1;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #000;
}