body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
  }
  
  header {
    background: #333;
    color: #fff;
    padding: 1rem 2rem;
  }
  
  header h1 {
    margin: 0;
  }
  
  nav ul {
    list-style: none;
    padding: 0;
  }
  
  nav ul li {
    display: inline-block;
    margin-right: 1rem;
  }
  
  nav ul li a {
    color: #fff;
    text-decoration: none;
  }
  
  main {
    padding: 2rem;
  }
  
  footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
  }

  .hero {
    background: #0066cc;
    color: white;
    padding: 2rem;
    text-align: center;
  }
  
  section {
    padding: 1.5rem 2rem;
    margin-bottom: 1rem;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  }
  
  ol {
    padding-left: 1.5rem;
  }

  .content-block {
    background: #fff;
    margin: 2rem auto;
    padding: 2rem;
    max-width: 800px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
    border-left: 6px solid #007acc;
    border-radius: 6px;
  }
  
  .block-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #007acc;
  }
  
  .block-text {
    font-size: 1.1rem;
    line-height: 1.6;
  }