body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    margin-left: 15vh;
    margin-right: 15vh;
}

#memory-game {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(4, 140px);
    gap: 10px;
}

.card {
    width: 100%;
    height: 100%;
    background-color: #fff;
    border: 2px solid #ccc;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;;
}

.flipped {
    background: url("../assets/img/quizz.jpeg");
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-size: cover;
}

.flipped>span{
    opacity: 0;
}

.wrong{
    border-color: red;
}

.found {
    background-color: #8aff8a;
    cursor: default;
}

.invisibleFound{
    opacity: 0;
}

.center-text {
    text-align: center;
}

.hidden {
    display: none;
}