body {
    font-family: Arial;
    background: #f0f0f5;
    padding: 20px;
  }
  .container {
    max-width: 400px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
  }
  input, textarea, button {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
  }
  button {
    background: #28a745;
    color: white;
    border: none;
    margin-top: 20px;
  }