<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="container"> <div class="row"> <h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2> </div> <ul class="list-group"> <li class="list-group-item"> <div class="media"> <a class="media-left" href="#"> <div style="width: 64px; height: 64px"> <img style="width:100%; height:auto;" src="http://placehold.it/10000x400" alt="..."> </div> </a> <div class="media-body"> <h4 class="media-heading">Media heading</h4> Test Video Content :) </div> </div> </li> </ul> </div>