April 21st, 2026

Roux

• https://github.com/thoughtbot/roux
• "A boilerplate of pre-defined native CSS architecture and styling to kickstart your project."
• Uses CSS variables
• Organised into resets, base, components and utilities
• Uses @layer to enforce order
• Multiple local files, combined for production using Lightning CSS
• https://codepen.io/enatario/pen/LEppZLZ

• Refactoring real-world CSS with Roux

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