body {
    color: #fff;
    background-color: #222;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

#night-sky {
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000;
}
#fps {
    position: absolute;
    top: 0;
    left: 10px;
    padding: 0;
    margin: 0;
    font-size: 20px;
}

#link-to-another {
    position: absolute;
    top: 400px;
}
a:link, a:hover, a:active, a:visited {
    color: gray;
}