/* Basic styling */
body {
    font-family: Arial, sans-serif;
    font-size: 20px;
    margin: 0;
    padding: 0;
  }
  
  #navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px; 
    height: 100%;
    background-color: #333;
    color: #fff;
    padding: 20px;
  }
  
  #navbar header {
    font-size: 1.5em;
    margin-bottom: 20px;
  }
  
  .nav-link {
    display: block;
    margin-bottom: 10px;
    color: #fff;
    text-decoration: none;
  }
  
  .nav-link:hover {
    background-color: #555;
  }
  
  /* Content styling */
  #main-doc {
    margin-left: 220px; /* Adjust to give space for navbar */
    padding: 20px;
  }
  
  .main-section {
    margin-bottom: 40px;
  }
  
  .main-section header {
    font-size: 1.2em;
    margin-bottom: 10px;
  }
  
  @media only screen and (max-width: 768px) {
    #navbar {
      width: 100%;
      height: auto;
      position: relative;
      padding-bottom: 20px;
    }
  
    #main-doc {
      margin-left: 0;
    }
  }