.expositions__header {
    display: flex;
    height: 20rem;
    justify-content: center;
    align-items: center;
    color: black;
    border-bottom-left-radius: .5rem;
    border-bottom-right-radius: .5rem;
    background-color: #D0E3CC;
}
.expositions__header__title {
    font-size: 2rem;
}

.expositions__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-column-gap: 10px;
    grid-row-gap: 10px;
    padding: 2rem;
}
@media only screen and (max-width: 900px) {
    .expositions__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media only screen and (max-width: 600px) {
    .expositions__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media only screen and (max-width: 400px) {
    .expositions__grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

.expositions__grid__card {
    width: 100%;
    height: 12rem;
    border-radius: 2rem;
    box-shadow: 5px 5px 14px 0px rgba(15,15,15,0.30);
    transition: box-shadow 0.3s ease-in-out 0s;
}


.expositions__grid__card:hover {
    box-shadow: 5px 5px 14px 0px rgba(15,15,15,0.5);
}

.expositions__grid__card__header {
    height: 9rem;
    border-radius: 2rem;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    background-size: cover;
}

.expositions__grid__card__body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}