failure.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>failure</title>
    
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
</head>
<body>
    <div class="jumbotron jumbotron-fluid">
        <div class="container">
          <h1 class="display-4">uh oh!</h1>
          <p class="lead">There is problem in signing you up. Please try again !</p>
          <form action="/failure" method="post">
            <button class="btn btn-lg btn-warning" type="submit"name="button">Try Again</button>

          </form>
        </div>
      </div>
</body>
</html>