body {
      font-family: "Segoe UI", Tahoma, sans-serif;
      margin: 0;
      padding: 0;
      background-color: #f9fdf9;
      color: #333;
    }

    header {
      background-color: #4CAF50;
      color: white;
      padding: 18px 20px;
      text-align: center;
      font-size: 22px;
      font-weight: 600;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    }

.nav-buttons {
  display: flex;
  gap: 12px;

}

.nav-buttons a {
  background: white;
  color: #4CAF50;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: 0.3s;
}

.nav-buttons a:hover {
  background: #388e3c;
  color: white;
}

    .container {
      max-width: 900px;
      margin: 40px auto;
      padding: 20px;
      background: white;
      border-radius: 10px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    h2 {
      color: #2e7d32;
      margin-bottom: 12px;
    }

    p {
      margin: 10px 0;
      font-size: 15px;
      color: #444;
    }

    ul {
      margin: 10px 0 20px 20px;
    }

    ul li {
      margin: 8px 0;
    }

    footer {
      text-align: center;
      background-color: #4CAF50;
      color: white;
      padding: 20px;
      margin-top: 40px;
      font-size: 14px;
    }