<div class="jumbotron text-center">
  <h1 class="display-3">Thank You!</h1>
  <p class="lead"><strong>Please check your email</strong> for further instructions on how to complete your account setup.</p>
  <hr>
  <p>
    Having trouble? <a href="">Contact us</a>
  </p>
  <p class="lead">
    <a class="btn btn-primary btn-sm" href="https://bootstrapcreative.com/" role="button">Continue to homepage</a>
  </p>
</div>
/* Add Bootstrap 4 Library
https://getbootstrap.com/docs/4.3/getting-started/introduction/
*/

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/css/bootstrap.min.css

External JavaScript

  1. https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js
  2. https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/js/bootstrap.min.js