[TheLastSuperman]

Originally Posted by Black Snow

I am always changing the layout of the forum, adding new things, removing other things. When I do it to one style, I need to do it to the other styles. I want to make an addon so I can make the edit once, and install it so I don't need to manually edit each style. It will use stylevars eventually to fit with each style but for now I want to make a basic addon to do what I'm asking.

Try doing it this way then:
https://vborg.vbsupport.ru/showthread.php?t=307739

One plugin could seemingly manipulate all styles to suit, you can define differences there as well.

Edit: Do not turn on debug mode and edit your master style, no!