.gewinnt-tile[color="1"] {
    background-color: cyan;
    border-color:blue; 
}

.gewinnt-tile[color="2"] {
    background-color: lightgreen;
    border-color: green;
}

.gewinnt-tile[color="3"] {
    background-color: rgba(0, 255, 255, 0.5);
    border-color:rgba(0, 0, 255, 0.5); 
}

.gewinnt-tile[color="4"] {
    background-color: rgba(144, 238, 144, 0.5);
    border-color: rgba(0, 128, 0, 0.5);
}