body {
    background-color: #300;
    color: #ccc;
    font-family: monospace;
    font-size: 10pt;
    overflow-y: scroll;
}

main {
    max-width: 640px;
    margin: 0 auto;
}

#nav {
    text-align: center;
}

a {
    text-decoration: none;
    color: orange;
}