There is a link to the CSS under Usage.

https://matcha.mizu.sh/#usage

https://matcha.mizu.sh/matcha.css

These classless libraries are for quick/MVP style web apps where you just need to give the user one or two forms and some help documentation.

I use them all the time for internal stuff because it lets me write some dirty html and have the backend do the real work while not looking browser-default-hideous.

If you need something more complicated, these are probably not meant for you.

Yep. I love the idea behind those libraries but I can't think of any production environment where I would use them without crippling any future change. You'd be forced to silo every custom component from the main stylesheet.

Yeah I don't think this is meant to be used for a production environment. I wrotten this mostly to style my hobby projects effortlessly

Anyway more "professional contexts" probably have their own branding too, so the added value is probably negligeable in this case

Yes it's exactly as you guessed it

The hundreds of files in the repo are just for maintainability and organization, but in the end it'll result in a single file to include, although you can also individually select which part you want to include if you'd like