body {
    height: 100%;
    margin: 0;
    padding: 0;
}

div.menu {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    display: table;
    position: absolute;
    text-align: center;
}

p.menu {
    display: table-cell;
    vertical-align: middle;
}

span.centerpiece {
    font-size: 300%;
    text-shadow: 1px 1px 2px white;
}