This is my current chart:

This is what I am trying to achieve:

MUI classes I have been targeting to add space:

As per above images, I am trying to add some space between the axis line and the label. I have tried to use the sx prop and a bunch of classes but my changes are not applyed anyway.

style not applied:

I am using MUI version "^6.4.5". I tried to go through the docs but the styling part about charts could be improved, it's not so clear.