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CSS Layout Check

Category: Engineering  ·  Sub-category: frontend  ·  Last updated:
Vérifie les conflits CSS après une restructuration HTML/CSS. Détecte les sélecteurs CSS morts (qui ne matchent plus aucun élément HTML), les règles dupliquées ou conflictuelles pour le même sélecteur, et les propriétés qui s'écrasent mutuellement. À utiliser après tout changement de structure HTML qui renomme, déplace ou supprime des éléments, ou après avoir ajouté de nouvelles règles CSS pour des classes existantes. Déclencheurs : refactor HTML/CSS, changement de layout, restructuration de composants, ajout de nouvelles règles pour des classes déjà définies.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Chaque fois que le HTML ou le CSS est restructuré (éléments déplacés, renommés, supprimés, ou nouvelles règles ajoutées pour des classes existantes), exécuter cette vérification avant de déployer.

What this skill does

CSS Layout Check is a community-contributed Claude Code skill in the frontend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/css-layout-check/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The CSS Layout Check Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 158,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/css-layout-check
curl -L https://claudskills.com/skills/css-layout-check/SKILL.md \
  -o ~/.claude/skills/css-layout-check/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/css-layout-check/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/css-layout-check/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\css-layout-check\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the CSS Layout Check Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/css-layout-check/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the CSS Layout Check skill do?
Vérifie les conflits CSS après une restructuration HTML/CSS. Détecte les sélecteurs CSS morts (qui ne matchent plus aucun élément HTML), les règles dupliquées ou conflictuelles pour le même sélecteur, et les propriétés qui s'écrasent mutuellement. À utiliser après tout changement de structure HTML qui renomme, déplace ou supprime des éléments, ou après avoir ajouté de nouvelles règles CSS pour des classes existantes. Déclencheurs : refactor HTML/CSS, changement de layout, restructuration de composants, ajout de nouvelles règles pour des classes déjà définies.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the CSS Layout Check skill?
Use CSS Layout Check when your Claude Code task falls under the Engineering category — specifically in the frontend area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use CSS Layout Check" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the CSS Layout Check skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. CSS Layout Check is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ahmed-mili. (2026). CSS Layout Check [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/css-layout-check/
BibTeX
@misc{css-layout-check-2026,
  author    = {ahmed-mili},
  title     = {CSS Layout Check [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/css-layout-check/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge
[![ClaudSkills](https://claudskills.com/badge/css-layout-check.svg)](https://claudskills.com/skills/css-layout-check/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/css-layout-check.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/css-layout-check.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: CSS Layout Check"></iframe>

Security scan

Grade A · scanned 2026-07-23 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/css-layout-check/#security)

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