body {
    font-family: 'Lato', sans-serif;
    background-color: #fff;
    color: #fff;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
  }
  
  .container { 
    max-width: 800px;
    background: #fff;
    padding: 40px;
    margin: 20px;
    
  }
  
  h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    color: #111;
  }
  
  h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 40px;
    color: #222;
    border-bottom: 2px solid #eaeaea;
    padding-bottom: 10px;
  }
  
  p {
    font-size: 1.15rem;
    margin-bottom: 20px;
    color: #444;
  }
  
  .author-info {
    text-align: center;
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 40px;
  }
  
  img {
    display: block;
    max-width: 100%;
    margin: 20px auto;
    border: 1px solid #ddd;
    padding: 5px;
    border-radius: 4px;
  }
  
  .caption {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
    margin-top: 5px;
  }
  
  hr {
    border: none;
    height: 1px;
    background-color: #ddd;
    margin: 40px 0;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
  }
  
  th, td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
  }
  
  th {
    background-color: #f2f2f2;
  }
  
  .references {
    margin-top: 40px;
  }
  
  .references ol {
    padding-left: 20px;
  }
  
  .references li {
    margin-bottom: 10px;
  }
  
  .references a {
    color: #444; /* Match the color of paragraph text */
    text-decoration: none; /* Remove underline from reference links */
  }
  
  .references a:hover {
    text-decoration: underline; /* Add underline on hover for reference links */
  }
  
  .share {
    margin-top: 30px;
    text-align: center;
  }
  
  .share h3 {
    font-size: 1.2rem;
  }
  
  .share a {
    margin: 0 10px;
    color: #0073e6; /* Color for share links */
    text-decoration: none;
  }
  
  .share a:hover {
    text-decoration: underline; /* Underline on hover for share links */
  }
  
  .tooltip {
    position: relative;
    display: inline-block;
    cursor: pointer;
    color: black; /* Change the color of the reference marker to black */
    text-decoration: underline; /* Underline to indicate it is a link */
  }
  
  .tooltip .tooltiptext {
    visibility: hidden;
    width: 50px; /* Width for reference number tooltip */
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%; /* Position above the text */
    left: 50%;
    margin-left: -25px; /* Center the tooltip */
    opacity: 0; /* Hidden by default */
    transition: opacity 0.3s; /* Fade-in effect */
  }
  
  .tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1; /* Show the tooltip on hover */
  }