Tailwind CSS v4.2 browser-runtime patterns for HyperFrames compositions. Use when scaffolding or editing projects created with `hyperframes init --tailwind`, writing Tailwind utility classes in composition HTML, adding CSS-first Tailwind v4 theme tokens, debugging v3 vs v4 syntax, or deciding when to compile Tailwind to CSS instead of using the browser runtime.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Tailwind CSS for HyperFrames
HyperFrames `init --tailwind` uses the Tailwind browser runtime pinned to `@tailwindcss/browser@4.2.4`. Treat that as Tailwind v4, not v3.
This skill is for composition HTML generated by the CLI. It is not for `packages/studio`, which still uses Tailwind v3 internally with `tailwind.config.js`, PostCSS, and `@tailwind` directives.
## When To Use
- The user asks for Tailwind in a HyperFrames composition.
- A project was created with `hyperframes init --tailwind`.
- You see `window.__tailwindReady` in `index.html`.
- You need utility classes, CSS-first theme tokens, custom utilities, or v3-to-v4 migration guidance.
- The render has missing styles and the project is relying on the browser runtime.
## Version Contract
- Pinned runtime: `@tailwindcss/browser@4.2.4`.
- Browser runtime script is injected by the CLI. Do not replace it with `cdn.tailwindcss.com`.
- HyperFrames waits for `window.__tailwindReady` before frame capture starts.
- The readiness shim must stay deterministic: no render-loop polling APIs, no clock-based retries, no runtime network fetches beyond the pinned Tailwind runtime script.
…
The line at the top of this page pins the label git:20260525.468c26e, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_jvgbya6kw5i4yivw
GET https://markdownregistry.com/api/v1/resolve?ref=frankxai/claude-skills-library/tailwind
GET https://markdownregistry.com/api/v1/blob/a19824a7bedeeafe1639144cc986fdc9ddc9e26c3626bbfb34de67d61a53bc38
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