Nicole Sullivan

stubbornella.org

Personal website of Nicole Sullivan, featuring writings on CSS architecture, web performance, and front-end development.

why we picked it

Nicole Sullivan's site archives over a decade of research into modular CSS and design systems. The blog posts and project pages are a primary source for concepts like OOCSS, media objects, and robust front-end practices. The site offers foundational techniques beyond hype-driven trends, serving as a timeless reference for developers and designers.

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language: EN
here since: July 2026