Update README.md

Author: jeromewu

README.md

@@ -16,16 +16,17 @@
 Use FFmpeg directly in your browser without any backend services!!
 
 **Transcode**
-<a href="https://codepen.io/jeromewu/pen/NWWaMeY" target="_blank">
-  <img alt="codepen" width="128px" src="https://blog.codepen.io/wp-content/uploads/2012/06/[email protected]">
-</a>
-
 <p align="center">
   <a href="#">
     <img alt="transcode-demo" src="https://github.com/ffmpegjs/ffmpeg.js/raw/master/docs/images/transcode.gif">
   </a>
 </p>
 
+<a href="https://codepen.io/jeromewu/pen/NWWaMeY" target="_blank">
+  <img alt="codepen" width="128px" src="https://blog.codepen.io/wp-content/uploads/2012/06/[email protected]">
+</a>
+
+---
 
 ffmpeg.js provides simple to use APIs, to transcode a video you only need few lines of code:
 
@@ -41,7 +42,6 @@ const worker = createWorker();
   fs.wrieFileSync('./test.mp4', data);
 })();
 ```
----
 
 ## Installation