<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>
<div class="container">
<h1>YouTube Responsive</h1>
<div class="row">
<div class="col-md-6">Hello YouTube</div>
<div class="col-md-6">
<iframe width="560" height="315" src="https://www.youtube.com/embed/WzIC5j1kjBo?list=UUgucSwevl9_NAQWrSkJXulA" frameborder="0" allowfullscreen></iframe>
</div>
</div>
</div>