/* iframe */
.stack {
  z-index: 999;
  position:absolute;
  position: fixed;

}


.iframe {
    border: 1px solid #131C28;
    overflow: hidden;
    background: #fff;
  }
  
  .iframe iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
  }
  
  .iframe-header {
    display: none;
  }
  
  .js .iframe-header {
    display: block;
  }
  
  .iframe-content {
    /* ipad iframe hack */
    height: 100%;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .iframe-header a {
    font-size: 15px;
    color: white;
    background: #3B4658;
    display: block;
    padding: 15px;
    text-align: center;
    border-bottom: 3px solid #131C28;
  }
  
  .iframe-header a:hover,
  .iframe-header a:focus {
    background: #6A798E;
  }
  
  .iframe-full-screen .iframe-header {
    display: block;
    position: absolute;
    height: 50px;
    width: 100%;
  }
  
  .iframe-full-screen .iframe-content {
    position: absolute;
    top: 50px;
    bottom: 0;
    width: 100%;
    height: auto;
  }
  
  .iframe-full-screen .iframe-header a {
    padding: 0;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border: 3px solid #131C28;
  }
  
  .iframe-full-screen body {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  
  .iframe-full-screen .iframe.iframe-active{
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 9999;
    border: none;
  }
  
  .iframe-full-screen .iframe iframe {
    position: absolute;
    height: 100%;
    width: 100%;
    border: none;
  }
  
  .wrapper {
    max-width: 1000px;
    margin: 20px auto;
    padding: 0 2 0px;
    display: flex;
    flex-wrap: wrap
  }
  
  .item {
      display: inline-block;
      flex: 1 300px;
  }
  
  @media all and (max-height: 400px){
    .iframe {
      height: 300px;
    }
  }