How to change Miui 12 navbar keys?

[Asnamus]

I was using substratum navbar theme to change custom navigation keys., but its not working in miui 12.0.1 global rom. Even with usb debugging and security usb debugging turned on in developer mode.

Anyone know workaround or some other good for custom navbar keys?
I tried some from google store but non of them ia working good and they are all full of annoying ads!

Rooted with Magisk 20.4

 

[piprd]

I would also like to know how to change that ugly navbar. button shapes, color, size, etc. No one knows anything?