A legacy CSS preprocessing tool that allows you to customize CSS ruleset

In recent days, since I needed a special CSS validation tool,
and my english is terrible, don’t know how to search for similar tools,
So I have reimplemented the rule validation part of legacy hss which makes it possible to load an text ruleset from extern

If some game ui or app also uses CSS, then this tool may be helpful.


This reminded me of this old project: Cocktail/cocktail/core/css at master · silexlabs/Cocktail · GitHub