.tile{
    background : radial-gradient(#FFFFFF, #C0C0C0);
    width: 66px;
    height: 66px;
    margin: 4px;
    text-align: center;
    font-size: 40px;
    display: inline-block;
    border: 2px solid #C0C0C0; 
    border-radius: 8px;

}

.tile-container .board-row .tile{
    cursor: pointer;
}

.tile .fa-close{
    color : blue;
    pointer-events : none !important;
}

.tile .fa-circle-o{
    color : red;
    pointer-events : none !important;
}

.winning-box{
    color : #FFFFFF;
    background : radial-gradient(#FFFFFF, green);
}