video

<div class="embed-responsive embed-responsive-16by9">  <iframe class="embed-responsive-item" src="https://www.youtube.com/embed/5-e7NFINJas"></iframe></div>

<div class="embed-responsive embed-responsive-16by9">  <iframe class="embed-responsive-item" src="https://player.vimeo.com/video/40934652"></iframe></div>