@media(min-width: 1480px) {

    .element ul li a {
        font-size: 16px;
    }
    .element ul {
        gap: 30px;
    }

    .img_nav_bar img {
        height: 600px;
        width: 500px;
    }
    .text_new_articles {
        padding: 20px;
    }

    .img_new_articles {
        height: 300px;
        width: 100%;
    }
    .text_new_articles {
        min-height: 192px;
    }

    .sub_text_new_articles p {
        font-size: 18px;
    }
    p {
        font-size: 18px;
    }
    .img_literature_index {
        height: 300px;
    }
    .text_literature_index h2 {
        font-size: 22px;
        line-height: 35px;
    }


    .sub_links_tabs_videos h2 {
        font-size: 21px;
        line-height: 40px;
    }
    .sub_links_tabs_videos {
        height: 150px;

    }
    .videos_index_iframe iframe {
        width: 100%;
        height: 468px;
        border-radius: 20px;
    }
    .search_header {
        width: 20%;
    }
    .text_literature_index h2 {
    height: 105px;
}


}

@media(max-width: 1200px) {
    .element ul li a {
        font-size: 12px;
    }
    .element ul {
        gap: 15px;
    }
    .img_new_articles {
        height: 190px;
    }
    .text_new_articles h2 {
        font-size: 18px;
    }
    .sub_text_new_articles p {
        font-size: 15px;
    }
    .btn_sub_new_articles a {
        width: 100%;
        padding: 13px 10px;
    }
    .img_new_articles {
        height: 165px;
    }
}


@media(max-width: 992px) {
    section.nav_bar::after {
        display: none;
    }
    .element {
        display: none;
    }
    .search_header {
        width: 25%;
    }
    .img_new_articles {
        height: 235px;
    }
    .sub_new_articles {
        margin: 10px 0;
    }
    .new_articles {
        padding: 5px 0;

    }
    .input_newsletter,
    .btn_newsletter {
        margin: 5px 0;
    }
    .btn_newsletter .ctm-btn-1 {
        width: 50%;
        display: block;
        margin: auto;
    }
    .element_footer ul li a {
        font-size: 12px;
    }
    .logo {
        width: 30%;
    }
    .element_footer ul li::after {
        width: 20px;
        background-size: contain;
        height: 20px;
        top: 5px;
    }


    .content {
        position: absolute;
        display: block;
        top: 0;
        z-index: 1;
        top: 50%;
        transform: translateY(-50%);
        left: 0;

    }
    .top_bar {
        position: relative;
    }
    .search_header {
        width: 25%;
        margin-left: 50px;
    }

    .sub_literature_index {
        margin: 10px 0px ;
    }
    .text_main_aboutus ul li {
        margin: 10px 0;
        position: relative;
        font-size: 16px;
    }

    .sub_aboutus {
        display: flex;
        flex-wrap: wrap;
        padding: 20px 0;
        align-items: center;
        justify-content: space-between;
    }
    .aboutus {
        margin-top: 40px;
    }
    .img_detalis_books img {
        object-fit: contain;
    }
    .bread_crump_pages p a {
        color: #162484;
        font-size: 15px;
    }
    .bread_crump_pages p {

        font-size: 11px;
    }
    .text_detalis_books h2 {
        margin: 10px 0px;
        font-size: 18px;
    }
    .text_detalis_books ul li {
        margin: 10px 0;
        font-size: 15px;
    }

    .download_pdf, .reading_books {
        width: 100%;
    }
    .btn_download_books {
        flex-wrap: wrap;
    }



}


@media(max-width: 768px) {
    .text_nav_bar {
        text-align: center;
    }
    .links_tabs_videos ul li {
        width: 100%;
    }
    .videos_index {
        padding: 5px 0;
        background-image: url('../images/bg1.png');
    }

    .element_footer ul {
        flex-wrap: wrap;
        justify-content: start;
        gap: 10px;
        width: 90%;
    }
    .element_footer ul li {
        position: relative;
        display: block;
        width: 100%;
        padding-right: 30px;
    }

    .element_footer ul li::after {
        left: auto;
        right: 0;
    }
    .search_header {
        width: 30%;
        margin-left: 50px;
    }
    .element_footer ul li:last-of-type::after {
        display: block;
    }
    .end_page {
        flex-wrap: wrap;
        text-align: center;
    }
    .end_page a {
        text-align: center;
        width: 100%;
        margin: 10px 0;

    }
    .end_page p {
        width: 100%;

    }
    .search_header {
        display: none;
    }
    .logo {
        width: 50%;
    }
    .detalis_books {
        margin-top: 90px;
    }
    .text_detalis_books h2 {
        margin: 10px 0px;
        font-size: 16px;
    }
    .articles_page, .articles_detalis {
        margin: 100px 0 50px;
    }
    .img_articles_detalis {
        height: 230px;
    }
    .date_articles_detalis ul li {
        font-size: 14px;
    }
    .text_articles_detalis {
        font-family: "font_medium";
        font-size: 13px;
    }
    .title2 h2::after {
        right: -29px;
    }
}


@media(max-width: 576px) {
    .logo {
        width: 57%;
    }
    .img_nav_bar img {
        height: 370px;
        width: 80%;
        object-fit: cover;
        user-select: none;
    }
    .title h2, .title2 h2 {
        font-size: 15px;
    }
    section.nav_bar {
        padding-top: 100px;
    }
    .text_nav_bar h1 {
        font-size: 27px;
        padding: 0px 0px 20px;
    }
    .text_nav_bar h2 {
        font-size: 22px;
        margin: 10px 0 10px;
    }
    .text_nav_bar p {
        margin: 20px 0;
        font-size: 13px;
        line-height: 28px;
    }
    .date_articles_detalis ul {
        display: flex;
        align-items: center;
        gap: 20px;
        flex-wrap: wrap;
        width: 100%;
        justify-content: right;
    }
    .img_articles_detalis {
        height: 132px;
    }
    .links_videos_page {
        margin-bottom: 50px;
    }
    .contactus_page p {
        width: 100%;
    }
    .contactus_page {
        margin: 100px 0;
    }
    .img_contactus_page {
        margin: 20px 0px;
        text-align: center;
    }

    .btn_contactus_page {
        text-align: center;
    }


}


@media(max-width: 450px) {}