The Code Konami (Konami Code), this trick appears in many Konami video games and even incorporated it into Facebook.
Just click anywhere on a Facebook page (not inside the text boxes) on your keyboard and type the following keys in succession: up-> up-> down-> down-> left-> right-> left – > right-> B-> A-> Enter:
After you press Enter you will see a glow on the page and every click of the mouse anywhere on the page the flash will occur. (to return to normal just refresh the page by pressing F5).
