html, body {
        height: 100%;
        margin: 0;
        padding: 0;
        width: 100%;
}

body {
        background: black;
        color: white;
        display: table;
}

div {
        font-family: Monospace;
        font-size: 10px;
        text-align: center;
        display: table-cell;
        vertical-align: middle;
}