Nextjs styling

Skill FilippoDeSilva/skills/skills/nextjs/nextjs-styling

Skills for my agentic development workflow.

Install

npx -y skills add FilippoDeSilva/skills --skill nextjs-styling

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What its author says it does

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Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js. Use when choosing a styling library, creating dynamic class utilities, or optimizing fonts with next/font.

The file declares its own license as MIT. That is the author’s claim about this one file, and it is not the same thing as the license GitHub reports for the repository, which is listed with the other numbers below.

SKILL.md

2.7 KB, as published. Nobody here has run it

Styling & UI Performance

Priority: P1 (HIGH)

Prioritize Zero-Runtime CSS for Server Components.

Workflow: Set Up Styling

Choose library — Tailwind/shadcn (preferred), CSS Modules (scoped), or Ant Design (with client wrappers).
Create cn utility — Combine clsx + tailwind-merge for dynamic classes.
Configure fonts — Use next/font for zero-CLS self-hosted fonts.
Set image dimensions — Always specify width/height or fill on <Image>.

cn Utility Example

See implementation examples

Library Selection

Library	Verdict	Reason
Tailwind / shadcn	Preferred (P1)	Zero-runtime, RSC compatible. Best for App Router.
CSS Modules / SCSS	Recommended	Scoped, zero-runtime. Good for legacy projects.
Ant Design	Supported	Use with Client Component wrappers for RSCs.
MUI / Chakra (Runtime)	Avoid	Forces `use client` widely. Degrades performance.

Library Patterns

For specific library setups, see:

references/scss.md
references/ant-design.md
references/tailwind.md (Tailwind/shadcn)

Patterns

Dynamic Classes: Use clsx + tailwind-merge (cn utility).

Reference: Dynamic Classes & Button Example

Font Optimization: Use next/font to prevent Cumulative Layout Shift (CLS).

Reference: Font Setup

CLS Prevention: Always specify width/height on images.

Anti-Patterns

No runtime CSS-in-JS with RSC: MUI/Chakra force 'use client'; prefer Tailwind or CSS Modules.
No <img> without dimensions: Always set width/height or use fill to prevent CLS.
No hardcoded conditional classes: Use clsx+tailwind-merge (cn) for dynamic styles.
No Google Fonts <link> tag: Use next/font for zero-CLS self-hosted fonts.

Gives 1 of the 12 instructions most css styling skills give

Counted across 586 of the 596 authors here whose files we hold, read 2026-08-06

avoid excessive centered layoutsin 55 of 586, across 12 files
bundle code into single HTML filein 54 of 586, across 14 files
Respect prefers-reduced-motion user settingsin 52 of 586, across 35 files
avoid purple gradientsin 51 of 586, across 11 files
avoid uniform rounded cornersin 51 of 586, across 11 files
avoid Inter fontin 51 of 586, across 11 files
edit generated files to develop artifactin 50 of 586, across 10 files
animate only transform and opacity propertiesin 43 of 586
Make touch targets at least 44x44 pixelsin 41 of 586, across 15 files
Ensure minimum color contrast of 4.5:1in 39 of 586, across 10 files
use tailwind csshere, and in 39 of 586, across 24 files
Use SVG icons instead of emojisin 38 of 586, across 11 files

Said here and by no other author read

prioritize zero-runtime css
set image width height or fill
use client wrappers for ant design

Grouped from the skills themselves: near-identical wordings counted once, and counted by distinct author, so one author publishing three of these counts once.