Fool's design.
FireFox 29 - Using computer shutdown icon for closing an application.
EEEEEEEUUUUUUUUWWWWWWWWWWWWWWWWWWWWWWWWWWW.. STEVEN!!! EEEEEEEUUUUUUUUUWWWWWWWWWWWWWWWWWWWWWWWW!
HAHAHAHHAHAHAHA![Neutral :|](./images/smilies/icon_neutral.gif)
HAHAHAHHAHAHAHA
![Neutral :|](./images/smilies/icon_neutral.gif)