body {
    font-family: sans-serif;
    margin: 2rem;
  }
  
  header {
    text-align: center;
  }
  
  h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .blog-post {
    margin-bottom: 2rem;
    border-bottom: 1px solid #ddd;
    padding-bottom: 1rem;
  }
  
  .author {
    font-style: italic;
    font-size: 0.8rem;
  }