body {
    padding: 2rem;
    margin: 0 auto;
    max-width: 50em;
    font-family: 'Helvetica', sans-serif;
    font-size: 125%;

    background-color: #222;
    color: #ccc;
}

a:visited {
    color: #777;
}

a:link {
    color: #ccc;
}