body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }
  
  h1 {
    margin-top: 0;
  }
  
  form {
    display: flex;
    flex-direction: column;
    margin: 1rem 0;
  }
  
  label {
    margin-bottom: 0.5rem;
  }
  
  input[type="text"] {
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 0.25rem;
  }
  
  button[type="submit"] {
    margin-top: 0.5rem;
    padding: 0.5rem;
    font-size: 1rem;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
  }
  
  button[type="submit"]:hover {
    background-color: #0069d9;
  }
  
  #error {
    color: red;
  }