Tag css
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andrewt.net | CSS Crimes in the Public Sector
www.andrewt.net/blog/css-crimes-in-the-public-sector/index.htmlsyntax highlighting in CSS without <span>s
dev.to/grahamthedev/impossible-css-only-js-syntax-highlighting-with-a-single-element-and-gradients-243jA fun idea, although doesn't seem very useful. I'd guess that for bigger code examples this is both less reliable and more data, although this requires more testing to be sure.