.bloc-bloc_2_images {
    .theimages {
        display: flex;
        gap: 25px;
        img {
            flex: 1 1 calc(50% - 12.5px);
            object-fit: contain;
        }
    }
}
@media (max-width: 768px) {
    .bloc-bloc_2_images .theimages {
        flex-direction: column;
    }
}