body {
    background-color: #FFFFFF;
}

main {
    display: grid;
    grid-template-areas: 
    "left_sidebar article_block advertising_block right_sidebar"
    "left_sidebar popular_block popular_block right_sidebar";

    grid-template-rows: 1fr auto;
    grid-template-columns: minmax(0, 1fr) minmax(675px, 870px) minmax(356px, 496px)  minmax(0, 1fr);
}

.left_sidebar {
    grid-area: left_sidebar;
}

.right_sidebar {
    grid-area: right_sidebar;
}

.advertising_block {
    grid-area: advertising_block;
    padding: 0 0 0 26px;
    text-align: center;
}

.advertising_block .video_advertising {
    margin: 0 0 40px 0;
}

.advertising_block .img_advertising {
    position: sticky;
    top: 20px;
}
.article_block {
    background-color: #FFFFFF;
    grid-area: article_block;

    padding: 0 0 0 55px;
}

.info_main_article .category{
    font-weight: 700;
    font-size: 13px;
    line-height: 16px;
    /*border-right: 1px solid #000000;*/
    padding: 0 8px 0 0;
}

.info_main_article .date {
    font-weight: 500;
    font-size: 13px;
    line-height: 16px;
    padding: 0 0 0 5px;
}

.title_main_article h1 {
    font-weight: 700;
    font-size: 32px;
    line-height: 39px;
    padding: 9px 0 9px 0;
    margin: 0;
}

.description_main_article {
    font-style: normal;
    font-weight: normal;
    font-size: 20px;
    line-height: 24px;
    margin-bottom: 15px;
}

.advertising_mini {
    text-align: center;
    max-width: 760px;
}

.advertising_mini {
    overflow-x: hidden;
}

.novigation {
    display: flex;
    justify-content: space-between;
    padding: 20px 0 0 0;
}

.pages {
    font-weight: normal;
    font-size: 26px;
    line-height: 30px;
}

.pages span {
    font-weight: 700;
    font-size: 26px;
    line-height: 30px;
}

.social {
    padding: 0 0 5px 0;
}

.social a {
    padding: 0 0 0 20px;
}
.img_article img {
    width: 100%;
}

.description_img {
    font-weight: normal;
    font-size: 20px;
    line-height: 24px;
    padding: 8px 0 20px 0;
}

.novigation_btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0 20px 0;
}

.previous, .next {
    width: 300px;
    height: 80px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;

}

.num_pages {
    font-weight: 700;
    font-size: 20px;
    line-height: 24px;
}

.num_pages span {
    font-weight: normal;    
}

.previous, .next{
    font-weight: 700;
    font-size: 30px;
    line-height: 37px;

    color: #FFFFFF;
}

.novigation_btn_bgc {
    background-color: #0075FF; 
}

.novigation_btn_bgc:hover {
    background: #014BA3;
}
.novigation_btn_bgc_g {
    background-color: #828282; 
}

.popular_block {
    grid-area: popular_block;
    background-color: #F4F4F4;
    padding: 0 105px 20px 105px;
    margin-top: 50px;
}

.title_block {
    margin: 40px 0 20px 0;
}

.title_block h2 {
    font-weight: 700;
    font-size: 30px;
    line-height: 37px;
    padding: 0;
    margin: 0;
}


.popular_articles_block {
    display: grid;
    grid-template-columns: minmax(258px,372px)  minmax(258px,372px)  minmax(258px,372px);
    grid-gap: 20px;
    margin: 20px 0 0 0;
}

.img_popular_article {
    background-color: #FFFFFF;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.1);
    border-radius: 6px 6px 0px 0px;
    overflow: hidden;
}

.img_popular_article img{
    width: 100%;
    margin: 0;
}

.text_popular_article {
    background-color: #FFFFFF;
    padding: 8px 10px 8px 10px;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.1);
    border-radius: 0px 0px 6px 6px;
}

.item_popular_article:hover .text_popular_article {
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
}

.title_popular_article h2 {
    margin: 0 0 10px 0;
    font-weight: 500;
    font-size: 20px;
    line-height: 24px;

    -webkit-line-clamp: 3;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.title_popular_article:hover h2 {
    text-decoration: underline;
}

.info_popular_article {
    display: flex;
    justify-content: space-between;
}

.info_popular_article .date {
    font-weight: 500;
    font-size: 10px;
    line-height: 12px;
}

.info_popular_article .category {
    font-weight: 700;
        font-size: 10px;
        line-height: 12px;
}


.popular_articles_block_small {
    display: grid;
    grid-template-columns: minmax(258px,568px)  minmax(258px,568px);
    grid-template-rows: 171px 171px 171px;
    grid-gap: 20px;
    margin: 20px 0 0 0;
}


.item_popular_article_small {
    display: grid;
    grid-template-columns: 253px  minmax(220px, 315px);
    grid-template-rows: 169px;
    background-color: #FFFFFF;
    overflow: hidden;

    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

.img_popular_article_small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
} 

.text_popular_article_small {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin: 10px 10px 10px 10px;
}

.item_popular_article_small:hover {
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
}

.title_popular_article_small h2 {
    font-weight: 500;
    font-size: 20px;
    line-height: 24px;
    margin: 0;
    padding: 0;

    -webkit-line-clamp: 6;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.title_popular_article_small:hover h2 {
    text-decoration: underline;
}

.info_popular_article_small {
    display: flex;
    justify-content: space-between;
}

.info_popular_article_small .date {
    font-weight: 500;
    font-size: 10px;
    line-height: 12px;    
}

.info_popular_article_small .category {
    font-weight: 700;
    font-size: 10px;
    line-height: 12px;
}

.popular_articles_block_midle {
    display: grid;
    grid-template-columns: minmax(188px, 274px)  minmax(188px, 274px)  minmax(188px, 274px)  minmax(188px, 274px);
    grid-gap: 20px;
    margin: 20px 0 0 0;
}


.last_page_article {
    display: grid;
    grid-template-columns: 175px minmax(400px, 580px);

    margin: 0 0 20px 0;
    
}


.last_page_article {
    padding: 20px 20px 20px 0;
    margin: 0;
    border-top: 1px solid #BDBDBD;
}

.img_last_page_block {
    border-radius: 6px;
    overflow: hidden;
}

.img_last_page_block img {
    width: 100%;
    height: 100%;
    object-fit: cover;

}

.text_last_page_block {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin: 6px 6px 6px 0px;
    padding: 0 0 0 20px;
}

.title_last_page_article h2 {
    font-weight: 500;
    font-size: 18px;
    line-height: 22px;

    -webkit-line-clamp: 3;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.title_last_page_article h2:hover {
    text-decoration: underline;
}

.info_last_page_article .date {
    font-weight: 500;
    font-size: 10px;
    line-height: 12px;
    border-right: 1px solid #000000;
    padding: 0 8px 0 0;
}

.info_last_page_article .category {
    font-weight: 700;
    font-size: 10px;
    line-height: 12px;
     padding: 0 0 0 5px;
}

@media screen and (max-width: 1010px) {
    main {
        display: grid;
        grid-template-areas: 
        "article_block"
        "popular_block";

        grid-template-rows: 1fr auto;
        grid-template-columns: minmax(360px, 1024px);
    }

    .left_sidebar,
    .right_sidebar,
    .advertising_block,
    .num_pages  {
        display: none;
    }

    .article_block {
        padding-left: 0px;
    }

    .info_main_article,
    .title_main_article,
    .description_main_article,
    .novigation,
    .description_img,
    .novigation_btn,
    .advertising_mini{
        padding-left: 20px;
        padding-right: 20px; 
    }

    .popular_block {
        padding-left: 20px;
        padding-right: 0; 
    }

    .last_page_article {
        padding: 20px 0 20px 0;
        margin: 0 20px 0 20px;
    }

    .previous, .next {
        width: 150px;
        height: 46px;

        font-weight: 700;
        font-size: 20px;
        line-height: 24px;
    }

    .title_main_article h1 {
        font-size: 26px;
        line-height: 32px;
    }

    .description_main_article {
        font-size: 18px;
        line-height: 22px;
    }

    .pages {
        font-size: 20px;
        line-height: 23px;
    }

    .pages span {
        font-size: 20px;
        line-height: 23px;
    }

    .social a {
        padding-left: 10px;
    }

    .last_page_article {
        grid-template-columns: 108px minmax(200px, 580px);
    }

    .popular_articles_block{
        grid-template-columns: repeat(auto-fill, minmax(320px, 372px));
        justify-content: center;
        padding-right: 20px; 
    }
}