.article-block {
    max-width: 790px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}
.article-block .text_label {
    margin-bottom: 15px;
}
.article-block .heading2 {
    margin-bottom: 5px;
}
.article-block .small_title {
    margin-bottom: 30px;
}
.article-block .main_photo {
    width: 100%; height: 490px;
    margin-bottom: 30px;
    object-fit: cover;
}
.article-block .text_body {
    margin-bottom: 30px;
}
.article-block .text_body img {
    width: 100%; max-height: 560px;
    object-fit: contain;
}

@media screen and (max-width: 890px) {
   .article-block .main_photo {
        height: 50%;
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 660px) {
   .article-block .main_photo {
        margin-bottom: 15px;
    }

}