body {
    background: #FFF;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
}

#container {
    max-width: 480px;
    text-align: center;
    font-family: monospace;
    font-size: 1.25em;
    margin-top: 1em;
    margin-bottom: 1em;
}