body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
  }
  
  header {
    background-color: #333;
    color: #fff;
    padding: 20px;
  }
  
  nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
  }
  
  nav ul li {
    display: inline-block;
    margin-right: 10px;
  }
  
  nav ul li a {
    color: #fff;
    text-decoration: none;
  }
  
  main {
    padding: 20px;
  }
  
  .hero {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .projects {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  
  .project {
    width: 45%;
    margin-bottom: 30px;
  }
  
  .project img {
    width: 100%;
  }
  
  footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
  }