index.css

      html {
        -webkit-print-color-adjust: exact;
      }
      * {
        box-sizing: border-box;
        -webkit-print-color-adjust: exact;
      }

      body {
        margin: 0 auto;
        max-width: 1024px;
        padding: 1.5rem;
        color: rgb(55, 53, 47);
      }

      .page-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-top: 1rem;
        margin-bottom: 0.75em;
      }

      h1 {
        text-align: center;
        margin-top: 2.4rem;
        margin-bottom: 4.8rem;
        font-size: 4rem;
      }
      
      h3 {
        font-size: 2rem;
        margin-top: 2.4rem;
        margin-bottom: 0.8rem;
      }

      p {
        font-size: 1.2rem;
        line-height: 2.4rem;
      }

      .source {
        border: 1px solid #ddd;
        border-radius: 3px;
        padding: 1.5em;
        word-break: break-all;
      }

      .callout {
        border-radius: 3px;
        padding: 1rem;
      }

      figure {
        margin: 1.25em 0;
        page-break-inside: avoid;
      }

      img {
        margin: 0 auto;
        display: block;
        width: 100%;
      }

      .icon {
        display: inline-block;
        max-width: 1.2em;
        max-height: 1.2em;
        text-decoration: none;
        vertical-align: text-bottom;
        margin-right: 0.5em;
      }
    
      .image {
        border: none;
        margin: 1.5em 0;
        padding: 0;
        border-radius: 0;
        text-align: center;
      }

      .bookmark {
        text-decoration: none;
        max-height: 8em;
        padding: 0;
        display: flex;
        width: 100%;
        align-items: stretch;
      }

      .bookmark-title {
        font-size: 0.85em;
        overflow: hidden;
        text-overflow: ellipsis;
        height: 1.75em;
        white-space: nowrap;
      }

      .bookmark-text {
        display: flex;
        flex-direction: column;
      }

      .bookmark-info {
        flex: 4 1 180px;
        padding: 12px 14px 14px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
      }

      .bookmark-image {
        width: 33%;
        flex: 1 1 180px;
        display: block;
        position: relative;
        object-fit: cover;
        border-radius: 1px;
      }

      .bookmark-description {
        color: rgba(55, 53, 47, 0.6);
        font-size: 0.75em;
        overflow: hidden;
        max-height: 4.5em;
        word-break: break-word;
      }

      .bookmark-href {
        font-size: 0.75em;
        margin-top: 0.5em;
      }


      .highlight-red_background {
        background: rgba(253, 235, 236, 1);
      }
  
      .block-color-gray_background {
        background: rgba(241, 241, 239, 1);
      }

      table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
      }
    
      th, td {
        padding: 10px;
        text-align: left;
        border-bottom: 1px solid #ddd;
      }
    
      th {
        background-color: #f2f2f2;
      }
    
      tr:hover {
        background-color: #f5f5f5;
      }