Beginner
Dark Mode
A flicker-free light/dark theme toggle built on CSS custom properties, a data-theme attribute, and localStorage.
Tag: css
4 demos tagged “css”.
Beginner
Masonry Gallery
A Pinterest-style masonry layout using plain CSS multi-column layout — no JavaScript, no masonry library.
Beginner
Print Stylesheet
A real @media print stylesheet, loaded site-wide — strips chrome, forces light mode, and prints link URLs.
Intermediate
Accessibility
Three real accessibility techniques already running on this site: a skip link, visually-hidden text, and a genuine bug…