.yn18-detail-container {
    width: 100%;
    max-width: 990px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
    font-family:
      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
      sans-serif;
    color: #333333;
    line-height: 1.7;
  }
  .yn18-detail-container h2.yn18-section-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 16px 0;
    color: #111111;
    border-bottom: 2px solid #222222;
    padding-bottom: 8px;
    display: inline-block;
  }
  .yn18-detail-container p.yn18-narrative {
    font-size: 15px;
    color: #444444;
    margin-bottom: 16px;
    text-align: justify;
  }
  .yn18-detail-container .yn18-gallery-images {
    width: 100%;
  }
  .yn18-detail-container .yn18-gallery-images img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    border: 0;
  }

  .video-container {
    overflow: hidden;
    position: relative;
    width: 100%;
  }

  .video-container::after {
    padding-top: 56.25%;
    display: block;
    content: "";
  }

  .video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }