У вашего броузера проблема в совместимости с HTML5
This is an Extended Tutorial video for my Simplest Tutorial for the 5x5 Rubik's Professor Cube
Original Tutorial: http://youtu.be/AFmDhcIYBBE
Extended Tutorial Playlist: https://www.youtube.com/watch?v=8rjDkPRa33U&list=PLQHhHgGDDgeRQ07YKi7Z7Tm5bRFXlKS8Z