Use CSS max-width property responsive for video player

CSS Web Development Front End Technology

You can try to run the following code to use a max-width property to make your video player responsive −

Example

<!DOCTYPE html>
<html>
   <head>
      <meta name = "viewport" content = "width=device-width, initial-scale = 1.0">
      <style>
         video {
            max-width: 100%;
            height: auto;
         }
      </style>
   </head>
   <body>
      <video width = "300" controls autoplay>
         <source src = "/html5/foo.ogg" type = "video/ogg" />
         <source src = "/html5/foo.mp4" type = "video/mp4" />
      </video>
      <p>To check the effect, you need to resize the browser.</p>
   </body>
</html>