[Cosmetic improvement] Make the labels in the main menu equal height

[Photon89]

First of all, thanks for the great app, I'm using it quite a lot! :+1:

I noticed that the tiles in the main menu are of different height, which leaves some gaps. It doesn't affect the usability at all, just looks a bit ugly. If all tiles had the same height (the same height as the biggest tile), no gaps would arise.

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