https://purecss.io/base/

https://tailwindcss.com/

https://bulma.io/

https://primer.style/

https://semantic-ui.com/

https://picturepan2.github.io/spectre/index.html

https://getuikit.com/

https://minicss.org/

https://2019.stateofcss.com/technologies/css-frameworks/