You might also like my tiny collection of css stylesheets

* The Sims https://thesimscss.inbn.dev/

* Windows 98 https://jdan.github.io/98.css/

* Windows XP https://botoxparty.github.io/XP.css/

* Windows 7 https://khang-nd.github.io/7.css/

* Tufte https://edwardtufte.github.io/tufte-css/

Would love any suggested additions