body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
  }
  
  header {
    background-color: #f0f0f0;
    padding: 20px;
    text-align: center;
  }
  
  h1, h2 {
    margin: 0;
  }
  
  h2 {
    font-size: 1.2em;
    color: #333;
  }
  
  main {
    padding: 50px;
  }
  
  section {
    margin-bottom: 20px;
  }
  
  h3 {
    margin-bottom: 10px;
  }
  
  .about-us p {
    text-align: justify;
  }
  
  .products, .services {
    list-style: none;
    padding: 0;
  }
  
  .products li, .services li {
    margin-bottom: 5px;
  }
  
  .contact {
    text-align: center;
  }
  
  .contact a {
    background-color: #333;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
  }
  
  .contact a:hover {
    background-color: #444;
  }
  
  footer {
    background-color: #f0f0f0;
    padding: 10px;
    text-align: center;
  }