html {
    /** ... */
}

body {
    font-family: sans-serif;
    background-color: #E3E3E3;
}

html, body {
    font-size: 12px;
}

#root {

}

#content {
    width: 980px;
    margin: 0 auto;
}

#first-video {
    background-color: black;
    padding-top: 12em;
    padding-bottom: 12em;
}