.item_line {
    width: 80%;
    padding: 1rem;
  }
  
  .item_text {
      width: 100%;
  }
  
  .item_text p {
      margin-bottom: 20px;
  }
  
  .io_item {
      width: 100%;
      padding-bottom: 20px;
  }
  
  .io_button_wrap {
      text-align: center;
      margin-top: 10px;
  }
  
  .io_button {
      display: inline-block;
      border: 1px solid #f00;
      width: auto;
      padding: 0 20px;
      line-height: 32px;
      vertical-align: top;
      text-transform: uppercase;
      color: #f00 !important;
      font-size: 10pt;
      border-radius: 22px;
      cursor: pointer;
  }
  
  a.io_button:hover {
      text-decoration: none;
  }
  
  .io_item .btn_close {
      display: none;
  }
  
  .io_item .btn_open {
      display: inline-block;
  }
  
  .io_item.open .btn_close {
      display: inline-block;
  }
  
  .io_item.open .btn_open {
      display: none;
  }
  
  .io_trans {
      width: inherit;
      position: absolute;
      height: 80px;
      bottom: 0;
      pointer-events: none;
      background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
      transition: 1s;
  }
  
  .io_item.open .io_trans {
      height: 0;
      transition: 1s;
  }
  
  .io_item_wrap {
      position: relative;
      overflow: hidden;
      max-height: 100px;
      width: inherit;
      transition: max-height 0.5;
  }
  
  .io_item.open .io_item_wrap {
      max-height: 100% !important;
      transition: max-height 1s;
  }