.divNbEtoiles {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

#buttonPLUS, #buttonMOINS {
    padding: 20px;
    font-size: 30px;
    font-style: bold;
}

.case {
    width: 200px;
    height: 200px;
    padding: 0px;
    margin: 0px;
}

.divFlexImages {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    background-color: rgb(190, 190, 190);
    border-style: solid;
    border-radius: 5px;
    margin: 20px;
    padding: 5px;
}

.hidden {
    display: none;
}