body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
  }
  
  .thank-you-container {
    margin-top: 100px;
    padding: 20px;
    background: white;
    display: inline-block;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  }
  
  h2 {
    color: #28a745;
  }
  
  p {
    font-size: 18px;
    color: #555;
  }
  
  .return-btn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease-in-out;
  }
  
  .return-btn:hover {
    background-color: #0056b3;
  }