.bloc_texteImage-pictures .item {
    overflow: hidden;
    max-width: 400px;
    margin-right: auto;
}
.bloc_texteImage-pictures .item.image-diapo {
    max-width: initial;
    border-radius: 36px;
}
.bloc_texteImage-pictures .item.aspect-libre {
    max-width: initial;
}
.bloc_texteImage-pictures .item.rounded {
    border-radius: 36px;
}
.bloc_texteImage-pictures .item.rounded.aspect-1-1 {
    border-radius: 50%;
    margin: 0 auto;
}
.bloc_texteImage-pictures .item.rounded:not(.aspect-1-1) {
    max-width: 100%;
}

@media screen and (max-width:768px) {
    .bloc_texteImage-pictures .item {
        max-width: 300px;
    }
}