<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="col-lg-6"> <div class="col-lg-4"><div class="well"></div></div> <div class="col-lg-4"><div class="well"></div></div> <div class="col-lg-4"><div class="well"></div></div> <div class="col-lg-4"><div class="well"></div></div> </div>