my friends fullscreen wont work. Everytime she clicks the button it wont fullscreen. help?

What website is she playing on?
If it's deviantart then fullscreen won't work.

no she doesnt

Fullscreen only works on the browser and the downloaded game version.

Fullscreen doesn't work on all websites. I played TFM on Kongregate before, and it couldn't fullscreen, tell your friend to play on the TFM website. Transformice Full screen should work on it.

She does play on the tfm website which is the link I gave her even one time she was able to full screen for one round but couldn't the nexted

What the hell would you even screenshot? A small game screen?
Screenshots would be useless in this case.