<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/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"> <div class="col-md-8"> <div class="vid"> <iframe width="560" height="315" src="//www.youtube.com/embed/ac7KhViaVqc" allowfullscreen=""></iframe> </div><!--./vid --> </div><!--.col --> </div> </div>