.tictactoe {
    border-spacing: 0;
    border-collapse: separate;
}

.tictactoe td {
    width: 70px;
    height: 70px;
    padding: 0;
    background-color: #000000;
    color: #ffffff;
    border: 2px solid white;
    font-family: arial;
    font-size: 40px;
    text-align: center;
    vertical-align: middle;
}

.tictactoe td a:hover {
    color: #F7F3E8;
}