body {
    text-align: center;
    background-color: black;
    color: white;
}

h1 {
    text-align: center;
    text-emphasis: bold;
    text-size-adjust: 20;
    color: white;
}

#board {
    background-color: black;
    border-top: 5px solid white;
    border-bottom: 5px solid white;
    border-left:  5px white;
    border-right: 5px white;
}