body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
  }
  
  h1 {
    color: #333;
  }
  
  button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #45a049;
  }
  
  form {
    margin-top: 20px;
  }
  
  label {
    display: block;
    margin: 5px 0;
  }