.gallery-page .page-inner {
    padding: 50px 0;
  }
  .gallery-page .page-inner .tab-sec ul.nav-tabs {
    border-bottom: 0;
    margin-bottom: 50px;
  }
  .gallery-page .page-inner .tab-sec ul.nav-tabs .nav-item:not(:last-child) {
    border-right: 1px solid #869791;
    margin-right: 26px;
    padding-right: 26px;
  }
  .gallery-page .page-inner .tab-sec ul.nav-tabs .nav-item .nav-link {
    border: none;
    font-size: 14px;
    font-weight: 600;
    color: #3E3E3E;
    text-transform: uppercase;
    position: relative;
  }
  .gallery-page .page-inner .tab-sec ul.nav-tabs .nav-item .nav-link:before {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 0;
    height: 3px;
    background-color: #3E3E3E;
    content: "";
    transition: all 0.2s;
  }
  .gallery-page .page-inner .tab-sec ul.nav-tabs .nav-item .nav-link.active:before {
    width: 100%;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block {
    width: calc((100% - 45px) / 4);
    margin-right: 15px;
    position: relative;
    margin-bottom: 15px;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:hover img.zoom {
    opacity: 1;
    width: 43px;
    height: 43px;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block iframe {
    width: 100%;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block a.popup-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: block;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block img.zoom {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: all 0.25s;
    width: 0;
    height: 0;
  }
  .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(4n+4) {
    margin-right: 0;
  }
  
  @media (max-width: 767px) {
    .gallery-page .page-inner {
      padding: 25px 0;
    }
    .gallery-page .page-inner .tab-sec ul.nav-tabs {
      margin-bottom: 30px;
    }
    .gallery-page .page-inner .tab-sec ul.nav-tabs .nav-item:not(:last-child) {
      margin-right: 19px;
      padding-right: 19px;
    }
    .gallery-page .page-inner .tab-sec ul.nav-tabs .nav-item .nav-link {
      padding: 5px 0 10px 0;
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block {
      width: calc((100% - 15px) / 2);
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(2n+2) {
      margin-right: 0 !important;
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(4n+4) {
      margin-right: 15px;
    }
  }
  @media (min-width: 768px) and (max-width: 991px) {
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block {
      width: calc((100% - 30px) / 3);
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(3n+3) {
      margin-right: 0 !important;
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(4n+4) {
      margin-right: 15px;
    }
  }
  @media (min-width: 992px) and (max-width: 1199px) {
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block {
      width: calc((100% - 30px) / 3);
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(3n+3) {
      margin-right: 0 !important;
    }
    .gallery-page .page-inner .tab-sec .tab-content .gallery-content .block:nth-child(4n+4) {
      margin-right: 15px;
    }
  }