<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container bg-secondary p-5"> <div class="row"> <div class="col-lg-6 col-12 mt-2"> <div class="m-2 bg-light h-100 w-75 float-lg-right"> <ul> <li>One</li> <li>Two</li> <li>Three</li> <li>Four</li> <li>Five</li> <li>Six</li> <li>Seven</li> <li>Eight</li> <li>Nine</li> <li>Ten</li> </ul> </div> </div> <div class="col-lg-6 col-12 mt-2"> <div class="m-2 bg-light h-100 w-75 float-lg-left"> <ul> <li>One</li> <li>Two</li> <li>Three</li> <li>Four</li> <li>Five</li> </ul> </div> </div> </div> </div>