<div class="btn-group">
<a href="" class="btn btn-outline-primary">Button 1</a>
<a href="" class="btn btn-outline-primary">Button 2</a>
 <a href="" class="btn btn-outline-primary">Button 3</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.