UI Changes

Hey, 
I made some UI changes, I hope you like it :)
I plan on changing the menu too, but that will come later hopefully.
EDIT: Note that the background is chosen randomly.
Screenshots:
![SS](https://i.imgur.com/PiPMoio.png)
![SS](https://i.imgur.com/vqLVZGP.png)
![SS](https://i.imgur.com/EdmtgJ7.png)
![SS](https://i.imgur.com/x8imgIB.png)