It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

I's having this graphic problem with the most recent version of the game, the updated one for Mac High Sierra.
The bars on top and at the bottom of the screen can still be seen in the full screen mode of the game.
Post edited December 30, 2017 by bebemomoy