body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }
  
  header {
    background-color: #f1f1f1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
  }
  
  .logo {
    width: 150px;
  }
  
  nav {
    display: flex;
  }
  
  nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
  }
  
  nav li {
    margin-right: 20px;
  }
  
  nav a {
    text-decoration: none;
    color: #333;
  }
  
  main {
    padding: 20px;
  }
  
  section {
    margin-bottom: 20
  }