body {
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  .form-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    width: 300px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }
  
  h2 {
    text-align: center;
    margin-bottom: 20px;
  }
  
  input, button {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    font-size: 15px;
  }
  
  button {
    background-color: #3498db;
    color: white;
    border: none;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #2980b9;
  }
  
  #responseMessage {
    text-align: center;
    font-size: 14px;
    color: green;
  }