.game-board
{
    border: solid 1px;
    width: 400px;
    height: 400px;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.game-cell
{
    border: solid 1px;
    width: 100px;
    height: 100px;
    text-align: center;
    font-size: 24px;
    cursor: pointer;
    background-color: #000;
    color: #fff;
    display: inline-block;
    box-sizing: border-box;
    line-height: 100px;
}

.game-cell.empty
{
    background: #fff;
    color: #fff;
}

.game-victory
{
    display: none;
    position: fixed;
    background: rgba(0, 0, 0, .6);
    z-index: 100;
    width: 100%;
    height: 100%;
}

.game-victory_content
{
    color: #fff;
    font-size: 40px;
    text-align: center;
}