.fl {
    float:left;
}

.board {
    max-width:512px;
    margin: 0 auto;
}

.light-sq {
    max-height: 64px;
    max-width: 64px;
    width:12.5%;
    padding-bottom:12.5%;
    background-color:#E6E6FA;
}

.dark-sq {
    max-height: 64px;
    max-width: 64px;
    width:12.5%;
    padding-bottom: 12.5%;
    background-color: #708090;
}

.piece {
    position:absolute
    max-width: 100%;
    max-height: 100%;
}