@media (min-width: 1200px) {
  .container {
      max-width: 960px;
  }
}

@media (max-width: 1180px) {
  .navbar a.nav-link {
    margin-right: 0;
  }

  .navbar .navbar-brand {
    margin-left: 10px;
    margin-right: 1rem;
  }

  .help-holder {
    margin: 0 10px 0 10px !important;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 14px;
  }

  .side_left_navigation {
    top: auto;
    bottom: 0;
    width: 100%;
  }

  .side_left_navigation .top {
    cursor: pointer;
  }

  .side_left_navigation a.section {
    display: none;
  }

  .side_left_navigation.expand a.section {
    display: inline-block;
  }

  .unit_content {
    padding-top: 10px;
  }

  .navbar-nav {
    flex-direction: row;
  }

  .nav-item {
    padding: 0 1rem;
  }

  .navbar-nav .dropdown-menu {
    position: absolute;
  }

  .footer_cubes {
    background-color: initial;
    margin-top: 0;
    height: auto;
  }

  .search, .mobile_search input {
    background-position: 10px 6px;
  }

  .modules_holder .module_bg {
    height: 200px;
  }

  .modules_holder .arrow_bg {
    padding-bottom: 3rem;
  }

  footer .f1 {
    height: initial;
    padding-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .eu {
    height: 70px;
    padding-top: 6px;
  }

  .glossary {
    margin-top: 28px;
  }

  .u_txt_img {
    max-width: 100%;
  }

  .u_video_p {
    height: 320px;
  }

  .breadcrumbs_dd, .unit_content .breadcrumbs {
    display: none;
  }

  .search {
    width: 12rem;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 14px;
  }

  .search_results.desktop {
    display: none !important;
  }

  .flipcard {
    font-size: 1rem;
  }

  .navbar .search {
    display: none;
  }

  .mod_head.unit_head {
    display: none;
  }

  .dos_head_grad .will_know span, .mod_head_grad .will_know span {
    margin: 18px 0 0 30px;
  }

  .dos_head_grad .will_know, .mod_head_grad .will_know {
    width: 100%;
  }

  .units_holder .unit_link {
    height: 240px;
  }

  .units_holder .unit_link .photo {
    height: 120px;
    background-size: 100%;
  }

  .will_know_holder {
    padding: 0 10px;
  }

  .units_holder {
    margin-top: 50px;
  }

  .footer_cubes .cube {
    margin-top: 0;
    margin-bottom: 10px;
    height: 160px;
  }

  .footer_cubes .cube .uptitle {
    padding-top: 20px;
    margin-left: 20px;
  }

  .footer_cubes .cube span.title {
    margin: 20px 10px 0 20px;
  }

  footer {
    margin-top: 40px;
  }

  footer .visibility .col:first-child a img {
    width: 100px;
  }

  footer .visibility .col:nth-child(2) a img {
    width: 180px;
  }

  footer .visibility .col:nth-child(3) a img {
    width: 100px;
  }

  footer .visibility .col:nth-child(5) a img {
    width: 180px;
  }

  footer .impressum {
    padding-top: 20px;
  }

  footer .visibility {
    margin-top: 60px;
  }

  footer .line1 {
    padding-top: 20px;
  }

  .unit_content {
    border: 0;
    padding-bottom: 0px;
    padding-top: 10px;
    margin-top: 0;

  }

  .breadcrumbs_dd .row div {
    padding-left: 10px !important;
  }

  .slick-next {
    right: 0;
  }

  .slick-prev {
    left: 0;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 3.25rem;
    left: 0;
    background-color: #fff;
    width: 100%;
  }

  .navbar-nav.on {
    display: block;
    border-bottom: 1px solid #ccc;
    padding-bottom: 0.8rem;
  }

  .navbar-nav .dropdown-menu {
    position: static;
    overflow: hidden;
  }

  .navbar .navbar-brand {
    margin-left: 0;
    margin-right: auto;
  }

  .hamburger {
    display: block;
  }

  .navbar a.nav-link {
    font-size: 1.125rem;
  }

  .nav-item {
    padding: 0.5rem 1rem;
  }

  .mobile_search {
    display: list-item;
  }

  .units_holder .unit_link:hover .add_text {
    display: none;
  }

  .dos_head h1 {
    font-size: 3.5rem;
  }

  .modules_holder {
    margin-top: 50px;
  }

  .dos_head, .dos_head_grad {
    height: 400px;
  }

  .dos_head h1 {
    margin-top: 90px;
  }

  .flipcard .front, .flipcard .back {
    padding: 1rem 2.2rem;
  }

  .page_content .breadcrumbs {
    display: none;
  }

  .page_head {
    display: none;
  }

  .page_content div.back {
    margin-top: 30px;
  }

  .page_content div.back_border {
    margin-top: 0;
  }

  .page_content div.back_border div.back {
    margin-bottom: 0;
  }
}

@media (max-width: 400px) {
  .dos_head h1 {
    font-size: 3rem;
  }

  footer .visibility .col:first-child a img {
    width: 120px;
  }

  footer .visibility .col:nth-child(2) a img {
    width: 180px;
  }

  footer .visibility .col:nth-child(3) a img {
    width: 100px;
  }

  footer .visibility .col:nth-child(4) a img {
    width: 160px;
  }

  footer .visibility .col:nth-child(5) a img {
    width: 180px;
  }

  .u_video_p {
    height: 220px;
  }
}