Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
video {
    width: 100%;
    height: auto;
}
</style>
</head>
<body>

<video width="400" controls>
  <source src="mov_bbb.mp4" type="video/mp4">
  <source src="mov_bbb.ogg" type="video/ogg">
  Your browser does not support HTML5 video.
</video>


<p>Resize the browser window to see how the size of the video player will scale.</p>

</body>
</html>