body {
    font-family: sans-serif;
    margin: 0px;
    padding: 16px;
}

header, footer, .content {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.license {
    background: #eee;
    padding: 12px;
    border-radius: 4px;
}

.license p {
    margin-top: 0;
}

hr {
    border-top: 1px solid lightgrey;
    border-left: none;
    border-right: none;
    border-bottom: none;
    margin: 25px 0px
}