#main-section {
    display: flex;
  }
  
  #sidebar {
    width: 250px;
    background-color: #f4f4f4;
    padding: 20px;
  }
  
  #content {
    flex: 1;
    padding: 20px;
  }
  
  #sidebar ul {
    list-style-type: none;
    padding: 0;
  }
  
  #sidebar ul li {
    margin: 10px 0;
  }
  
  #sidebar ul li a {
    text-decoration: none;
    color: #333;
  }
  
  #sidebar ul li a:hover {
    color: #007bff;
  }