body {
    font-family: Arial, sans-serif;
  }
  
  h1 {
    color: #333;
  }
  
  form {
    max-width: 400px;
    margin: 20px auto;
  }
  
  label {
    display: block;
    margin-top: 10px;
    color: #333;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="submit"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    font-size: 16px;
  }