This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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CodePen
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CodePen now has a Lightning CSS Block. It's a "syntax lowerer" (like Babel is for JS, but for CSS). It respects your browserslist! It's a bundler! It's a minifier!
2026-04-01T15:33:32.399Z