Update README.md

README.md

@@ -4,9 +4,7 @@ Betteer Together is an iOS cooperative mobile game. <br>
 This project is conducted from a part of the course **iOS Application Development** at RWTH Aachen. <br>
 
 #### Demo video
-<video width="320" height="240" controls>
-  <source src="better-together-demo.mp4" type="video/mp4">
-</video>
+![](./better-together-demo.mp4)
 
 ## Project meeting log
 ### Meeting 01 (12.01.2021)