<div class="btn-group">
<a href="" class="btn btn-success">SUCCESS</a>
<a href="" class="btn btn-primary">PRIMARY</a>
<a href="" class="btn btn-danger">DANGER</a>
  
</div>

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.0/css/bootstrap.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.