.image-block {
    margin-top: 40px;
    margin-bottom: 40px;
}

.image-block__item {
    position: relative;
}

.image-block__item:after {
    content: "";
    display: block;
    padding-bottom: 41.9%;
}

.image-block__item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-block__caption {
    margin-top: 15px;
}

@media (max-width: 575px) {
    .image-block {
        margin-top: 20px;
        margin-bottom: 20px;
    }

    .image-block__caption {
        margin-top: 10px;
    }
}