Edit in JSFiddle

<div id="container">
      <h1> HTML5 Video Player</h1>
      <div id="video_container">
        <video controls>
            <source src="https://www.html5rocks.com/en/tutorials/track/basics/treeOfLife/video/developerStories-en.webm" type="video/webm">
                         <!-- YOU CAN ADD FLASH FALLBACK PLAYER HERE.
 COULD BE EMBED OR OBJECT ELEMENT. OR JUST GIVE MESSAGE TO UPDATE BROWSER -->
        </video>
    </div>
  </div>