body {
        font-family: Arial, sans-serif;
        background-color: #f2f9f2;
        margin: 0;
        padding: 0;
      }
      header {
        background-color: #004aad;
        color: white;
        padding: 20px;
        text-align: center;
      }
      h1 {
        margin: 0;
        font-size: 24px;
      }
      main {
        max-width: 800px;
        margin: 30px auto;
        padding: 20px;
        background: white;
        border-radius: 8px;
        box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
      }
      ul {
        list-style-type: none;
        padding: 0;
      }
      li {
        background: #e8f5e9;
        padding: 12px;
        margin-bottom: 8px;
        border-left: 5px solid #004aad;
        border-radius: 4px;
      }