html, body {
    background: white;
    color: black;
}
*{
    box-sizing:border-box;
}
body{
    font-family:Arial, Helvetica, sans-serif;
    text-align: center;
}
#board{
    border:2px solid purple;
    width:400px;    
    height:400px;
    margin:0 auto;
    display:flex;
    flex-wrap:wrap;
}
#board img{
    width:79px;
    height:79px;
    border:0.5px solid lightblue;
}
#pieces{
    width: 1040px;
    height:160px;
    border:2px solid purple;
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(13,80px);
}
#pieces img{
    width:79px;
    height:79px;
    border:0.5px solid lightblue;
}