https://dohliam.github.io/dropin-minimal-css/ https://dohliam.github.io/dropin-minimal-css/ and https://github.com/dbohdan/classless-css https://github.com/dboh

https://dohliam.github.io/dropin-minimal-css/ https://dohliam.github.io/dropin-minimal-css/ and https://github.com/dbohdan/classless-css https://github.com/dbohdan/classless-css do that.