@media (max-width: 1800px) {
    .footer .container {
        flex-direction: column;
    }
    .menu_links_footer {
        border-right: none;
    }
    .footer .footer-left {
        justify-content: center;
        margin-bottom: 20px;
        align-items: center;
    }
    .menu_links_footer ul {
        flex-direction: row;
    }
    .menu_links_footer ul li:first-child {
        margin: 10px 0;
    }
    /*.gallery_main_container .gallery_item_container:last-child{
    width: 100%;
    max-width: unset;
  }*/
    .menu li {
        padding: 0 20px;
    }
    .about_us_container .partner {
        flex-direction: column;
    }
    .about_us_container .about_us_content .text {
        margin-left: 20px;
    }
    .about_us_content_bg .text {
        margin-right: 20px;
    }
    .cadet_programm_container .item img {
        max-width: -webkit-fill-available;
    }
}

@media screen and (max-width: 1600px) {
    .main_section .control_btn div.btn {
        display: flex;
    }
    
}
@media screen and (max-width: 1300px) {
    .main_section .control_btn div.btn {
        display: flex;
    }
    .main_section-licence h3,
    .main_section-certificat1 h3,
    .main_section-certificat h3 {
        display: none;
    }
    .main_section-licence,
    .main_section-certificat,
    .main_section-certificat1{
            width: 200px;
    height: 187px;
    padding: 10px 10px;
    background: unset;
    }
    .main_section-certificat{
        top: 25%;
    }
    .main_section-certificat1{
        right: 161px;
    }
}
@media screen and (max-width: 1200px) {
    .mb110 {
        margin-bottom: 80px;
    }
    .pb90 {
        padding-bottom: 60px;
    }
    .mb90 {
        margin-bottom: 60px;
    }
    .mb60 {
        margin-bottom: 40px;
    }
    .mb50 {
        margin-bottom: 35px;
    }
    .mb40 {
        margin-bottom: 30px;
    }
    .mb35 {
        margin-bottom: 25px;
    }
    .mb30 {
        margin-bottom: 20px;
    }
    .mb25 {
        margin-bottom: 17px;
    }
    .mb20 {
        margin-bottom: 15px;
    }
    .ttl.lg {
        font-size: 36px;
    }
    .ttl.md {
        font-size: 24px;
    }
    .ttl.sm {
        font-size: 18px;
    }
    .main-about .img-box {
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 0;
        width: 100%;
    }
    .main-about .text-box {
        width: 100%;
        margin-bottom: 20px;
    }
    .main-about .text-box p {
        max-width: 100%;
    }
    .main-contacts .ttl:after {
        display: none;
    }
    .main-fleet .img-box {
        width: 100%;
        margin-bottom: 20px;
        text-align: center;
    }
    .main-fleet .text-box {
        width: 100%;
    }
    .main-fleet .text-box p {
        max-width: 100%;
    }
    .block-bottom_first-section .list {
        width: auto;
    }
    .block-bottom_first-section {
        padding: 20px;
    }
    .main_section .text-box {
        margin-bottom: 130px;
    }
    .main-gal .owl-carousel .owl-nav {
        top: -105px;
    }
    h1 {
        font-size: 50px;
        line-height: 100%;
    }
    .main-gal .btn-more {
        font-size: 20px;
    }
    .about_us_content_bg .img-box {
        margin-top: 0;
    }
        .main_section-certificat {
        top: 0;
        right: 320px;
    }
}

@media screen and (max-width: 992px) {
    .header .container {
        height: auto;
    }
    .main-advan ul.flex {
        justify-content: center
    }
    .main-advan li {
        width: 30%;
        margin: 0 10px 30px
    }
    .main-advan li img {
        margin-bottom: 15px
    }
    .main-gal-list .item,
    .main-gal-list .item.sm {
        width: 100%;
    }
    .main-gal-list .item .text-box {
        height: auto;
        padding: 15px
    }
    .main-contacts .text-box {
        padding-top: 0;
        margin: 0 auto;
    }
    .main-contacts .map-box {
        width: 100%;
        filter: grayscale(0);
        text-align: center;
        margin-bottom: 20px;
    }
    .main-contacts .map-box iframe {
        height: 350px
    }
    .main-fleet .flex.between.align-end {
        flex-direction: column;
    }
    .block-baner .block-bottom h3 {
        font-size: 26px;
    }
    h1 {
        font-size: 50px;
    }
    h2 {
        font-size: 40px;
    }
    .main-cadett .img-box {
        margin-bottom: 30px;
    }
    .main-cadett-bg {
        margin-bottom: 50px;
    }
    .main-gal .owl-carousel .owl-nav {
        top: -75px;
    }
    .main-gal .owl-carousel .owl-nav button.owl-prev,
    .main-gal .owl-carousel .owl-nav button.owl-next {
        width: 34px;
        height: 34px;
    }
    .gallery_main_container .gallery_item_container:last-child {
        max-width: 444px;
    }
    /*.content-category{justify-content: center;}*/
    .footer .container {
        position: relative;
    }
    .top_arrow {
        position: absolute;
        top: 0;
        right: 15px;
    }
    .gallery_main_container .gallery_item_container .btn-more {
        font-size: 20px;
        line-height: 100%;
    }
    .ship_owner_container .column_new .column-2 {
        margin-top: 30px;
    }
    .employees .item img {
        margin-top: 15px;
        order: 2;
    }
    .employees .item .description {
        order: 1;
    }
    .cadet_programm_container .item:nth-child(2) {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .our_certificat h3 {
        font-size: 35px;
    }
    .cadet_programm_container .item,
    .cadet_programm_container .item:nth-child(n+4) {
        width: auto;
    }
    .block-bottom_first-section {
        margin-top: 30px;
        margin-bottom: 30px;
        flex-wrap: wrap;
        align-items: baseline;
        justify-content: space-around;
    }
    .block-bottom_first-section .list {
        margin-bottom: 10px;
    }
    .main_section .text-box {
        margin-bottom: 60px;
    }
    .btn-main {
        height: 40px;
        padding: 0 20px;
    }
    .mobile-hide {
        display: none;
    }
    .header {
        padding: 5px 0;
    }
    .header-menu {
        display: none;
    }
    .burger-menu {
        display: block;
    }
    .main-cadett-list li {
        width: calc(50% - 40px);
        margin-bottom: 40px
    }
    .main-cadett-list .ico-box {
        margin-bottom: 10px
    }
    .main-about {
        padding: 40px 0;
    }
    .main-cadett .block-bottom {
        flex-direction: column;
        align-items: center;
        padding: 0;
    }
    .main-cadett .block-bottom .list {
        max-width: 100%;
        margin-bottom: 20px;
    }
    .block-baner .block-bottom {
        padding: 25px 30px;
    }
    .block-baner .block-bottom h3 {
        font-size: 20px;
        line-height: 100%;
    }
    .content-category {
        padding-bottom: 40px;
    }
    .cadet_programm_container {
        column-count: 1;
    }
    h1 {
        font-size: 25px;
    }
    .about_us_content_bg .container {
        flex-direction: column;
    }
    .about_us_content_bg .img-box {
        margin-bottom: 20px;
        order: 1;
    }
    .about_us_content_bg .text {
        order: 2;
    }
    .ship_owner_bg .column {
        flex-direction: column;
    }
    .ship_owner_bg .column .list-left {
        margin-right: 0;
    }
    .gallery_main_container .gallery_item_container .btn-more {
        font-size: 15px;
    }
}

@media screen and (max-width: 550px) {
    .mb110 {
        margin-bottom: 50px;
    }
    .pb90 {
        padding-bottom: 45px;
    }
    .mb90 {
        margin-bottom: 45px;
    }
    .mb60 {
        margin-bottom: 30px;
    }
    .mb50 {
        margin-bottom: 25px;
    }
    .mb40 {
        margin-bottom: 20px;
    }
    .mb35 {
        margin-bottom: 17px;
    }
    .mb30 {
        margin-bottom: 15px;
    }
    .mb20 {
        margin-bottom: 12px;
    }
    .mb20 {
        margin-bottom: 10px;
    }
    .mb15 {
        margin-bottom: 8px;
    }
    .mb15 {
        margin-bottom: 7px;
    }
    .ttl.lg {
        font-size: 30px;
    }
    .main_section .ttl {
        font-size: 36px
    }
    .main-ban {
        padding: 15% 0;
    }
    .main-ban .text {
        font-size: 36px;
        text-align: center;
    }
    .main-gal .owl-carousel .owl-nav {
        top: -40px;
    }
    .main-gal h2 {
        margin-bottom: 45px;
    }
    .gallery_main_container .gallery_item_container .btn-more {
        font-size: 18px;
    }
    .ship_owner_container .policy_list li {
        margin-left: 20px;
    }
    .gallery_main_container .gallery_item_container:last-child,
    .gallery_main_container .gallery_item_container,
    .content-category .gallery_item_container {
        flex-basis: 100%;
    }
    .main_section .control_btn {
        flex-direction: column;
        align-items: center;
    }
    .main_section .control_btn a {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .main_section-licence, .main_section-certificat, .main_section-certificat1{
        width: 100px;
        height: 150px;
    }
    .main_section-licence img, .main_section-certificat img, .main_section-certificat1 img{
        width: 100%;
    }
        .main_section-certificat1 {
        right: 100px;
    }
        .main_section-certificat {
        right: 200px;
    }

}

@media (max-width: 480px) {
    .our_certificat h3 {
        font-size: 25px;
    }
    .close_button {
        font-size: 40px;
    }
    body,
    p {
        font-size: 18px
    }
    .main-advan li {
        width: 100%;
        margin: 0 0 30px
    }
    .cadet_programm_container .item,
    .cadet_programm_container .item,
    .cadet_programm_container .item:nth-child(n+4) {
        margin-bottom: 20px;
    }
    .cadet_programm_page .block-bottom {
        margin-bottom: 20px;
    }
    .block-baner {
        margin-bottom: 50px;
    }
    .block-bottom_first-section {
        flex-direction: column;
        align-items: center;
    }
}

@media screen and (max-width: 425px) {
    .ttl.lg {
        font-size: 24px;
    }
    .main-cadett-list li {
        width: calc(100% - 40px);
        margin-bottom: 30px
    }
    .ship_owner_bg .text-bottom,
    .ship_owner_container .ship_owner_bg h3,
    .ship_owner_container h3 {
        font-size: 20px;
        line-height: 110%;
    }
    .ship_owner_bg .list {
        font-size: 16px;
    }
    .ship_owner_container_bg .policy_text p,
    .ship_owner_container .policy_list li {
        font-size: 16px;
        line-height: 110%;
    }
    h2 {
        font-style: 30px;
    }
    h1 {
        font-style: 40px;
    }
    .employees .item h3 {
        font-size: 20px;
        line-height: 110%;
    }
    .employees .item p {
        font-size: 14px;
    }
    .sectionLinkVideo {
        width: auto;
        margin: 0 15px 30px 15px;
        text-align: center;
    }
}

@media screen and (max-width: 350px) {}