body {
    font-family: 'Open Sans', sans-serif;
    font-size: 35px;
    background-color: #EEEEEE;
}

#clock {
    margin: 80px auto;
    width: 881px;
}

.letter {
    display: inline-block;
    width: 80px;
    margin: 20px 0px;
    color: #CDCDCD;
    text-align: center;
}

.active {
    color: #333333;
}