<p style="text-align: center; padding-bottom:56.25%; width: 100%; height: auto; display: block; position: relative;"><iframe allow="autoplay; encrypted-media" allowfullscreen="" frameborder="0" src="<!-- [ YT EMBED URL ] -->" style="position: absolute; left:0; top:0; width:100%; height:100%" width="100%"></iframe></p>