#clock {
    background-color: black;
}

.pixel {
    margin-left: 11.1111%;
    margin-top: 11.1111%;
    width: 11.1111%;
    height: 11.1111%;
    float: left;
}
html {
    height: 100%;
}

body {
    background-color: black;
    margin: 0;
    height: 100%;
}