.chapter-grid {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
    border-radius: 8px;
  }
  
  .unit {
    margin-bottom: 30px;
  }
  
  .chapter {
    text-decoration: none;
    display: block;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #ffffff;
    transition: background-color 0.3s ease;
    position: relative;
    gap:20px;
  }
  
  .chapter h2 {
    margin: 0; /* Reset margin for h2 within chapter */
  }
  
  .chapter:hover {
    background-color: #f0f0f0;
  }
  
  @media (max-width: 600px) {
    .chapter-grid {
      padding: 10px;
    }
  
    .chapter {
      padding: 15px;
      margin-bottom: 15px;
    }
  }

 
  /* Additional Styling for Responsiveness can be added within the media queries */
  

/* Styling for the download button */
.download-button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.2s;
}

.download-button i {
    margin-right: 0.5rem;
}

.download-button:hover {
    background-color: #0056b3;
}

.next-button-div{
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.next-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: #ff6b6b;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s;
    font-weight: bold;
    font-size: 18px;

  }

  .next-button:hover {
    background-color: #e74c3c;
  }