Responsive Video in Your Blog
phil 02/03/16 Link
It's simple to embedd video content into your blog without it needing to be a fixed height and width. Use the markup below to make your video responsive.
<div class="embed-responsive embed-responsive-16by9"><iframe class="embed-responsive embed-responsive-item" src="https://www.youtube.com/embed/5LjuNyQ6TkU" frameborder="0" allowfullscreen="">