This repo contains the Fomantic-UI CSS distribution, packaged up as Swift Package Manager project.
Since the Swift Package Manager did not used to be able to with resource files, this is a more convenient way to directly embed common resources within your application. It is pretty big though :-)
You can view more on Fomantic-UI (a fork of Semantic UI) at LearnSemantic.com and Fomantic-UI.com.