<video controls width="250">
  <source src="/media/cc0-videos/flower.webm" type="video/webm" />

  <source src="/media/cc0-videos/flower.mp4" type="video/mp4" />

  Download the
  <a href="/media/cc0-videos/flower.webm">WEBM</a>
  or
  <a href="/media/cc0-videos/flower.mp4">MP4</a>
  video.
</video>