@charset "utf-8";

body {
    line-height: 1.8;
    margin: 0;
    padding: 0;
    background: #f8f8f8;
  }

  main {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }

  h1 {
    font-size: 28px;
    margin-bottom: 20px;
  }

  h2 {
    font-size: 22px;
    margin-top: 30px;
    color: #444;
    border-left: 4px solid #555;
    padding-left: 10px;
  }

  p, li {
    font-size: 16px;
    margin-bottom: 10px;
  }

  ul {
    padding-left: 20px;
    margin-top: 5px;
  }


  @media (max-width: 600px) {
    main {
      margin: 20px;
      padding: 15px;
    }

    h1 {
      font-size: 24px;
    }

    h2 {
      font-size: 20px;
    }
  }