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Collection of related articles https://johnpolacek.github.io/the-case-for-atomic-css/
邪魔歪道還是苦口良藥？Functional CSS 經驗分享 https://blog.techbridge.cc/2019/01/26/functional-css/
CSS Utility Classes and "Separation of Concerns" https://adamwathan.me/css-utility-classes-and-separation-of-concerns/
In defense of Functional CSS https://critter.blog/2018/06/08/in-defense-of-functional-css/