body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    color: #333;
  }
  .container {
    max-width: 800px;
    margin: 50px auto;
    background: #fff;
    padding: 30px 40px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 8px;
  }
  h1 {
    text-align: center;
    color: #007BFF;
    margin-bottom: 20px;
  }
  p {
    line-height: 1.6;
    margin-bottom: 20px;
  }
  a.button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
  }
  a.button:hover {
    background-color: #0056b3;
  }
  .footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.9em;
    color: #777;
  }