.gameArea{
    margin: auto;
    display: table;
    vertical-align: middle;
    text-align: center;
}
.mapGrid{
    width: 50px;
    height: 50px;
    border-style: outset;
    padding: 0;
    text-align: center;
}

.ball{
    width: 40px;
    height: 40px;
}