I collect niche Operating System CSS! - [98.css](https://github.com/jdan/98.css https://github.com/jdan/98.css): A Windows 98 inspired framework for building f

I collect niche Operating System CSS! - [98.css](https://github.com/jdan/98.css https://github.com/jdan/98.css): A Windows 98 inspired framework for building faithful recreations of old UIs. - [Office 97 clipart in svg format](https://archive.org/details/mso97clipart https://archive.org/details/mso97clipart) - [XP.css](https://github.com/botoxparty/XP.css https://github.com/botoxparty/XP.css): A Windows XP inspired framework for building faithful recreations of operating system GUIs. An extension of 98.css. - [7.css](https://khang-nd.github.io/7.css/ https://khang-nd.github.io/7.css/) - [System.css](https://sakofchit.github.io/system.css/ https://sakofchit.github.io/system.css/) Retro Apple-inspired UI - [Puppertino](https://github.com/codedgar/Puppertino https://github.com/codedgar/Puppertino) meant to mimic the look of macOS. [demo](https://codedgar.github.io/Puppertino/ https://codedgar.github.io/Puppertino/) - [Commodore 64 CSS](http://pixelambacht.nl/2013/css3-c64/ http://pixelambacht.nl/2013/css3-c64/) - DOS: [BOOTSTRA.386](https://github.com/kristopolous/BOOTSTRA.386 https://github.com/kristopolous/BOOTSTRA.386): A vintage 1980s DOS inspired Twitter Bootstrap theme - [a2k](https://a2000-docs.netlify.app/ https://a2000-docs.netlify.app/): A Windows 2000 inspired web component library more at https://github.com/swyxio/spark-joy/tree/master https://github.com/swyxio/spark-joy/tree/master