Use the c-video
class to wrap embedded videos.
<div class="c-video">
<iframe width="500" height="281" src="https://www.youtube.com/embed/ngElkyQ6Rhs?feature=oembed&rel=0&showinfo=0" frameborder="0" allowfullscreen=""></iframe>
</div>
Found in
Video components are used in the following blocks: