.Stone {
    cursor: default; /* disable 'I beam' cursor change */
    user-select: none;
    pointer-events: none;
}

.Board {
    display: flex;
    flex-direction: column;
    justify-content: center; 
}

.Board.flip {
    flex-direction: column-reverse;
}

.Tile {
    border: 1px solid #e4e4e4;
    float: left;
    text-align: center;
}

.Tile.black {
    background: darkgray;
}

.Tile.white {
    background: white;
}

.Tile.selected {
    color: grey;
}