ia-tailwind-css

Apply Tailwind CSS v4 CSS-first configuration and correct class patterns.

30|3|Updated Feb 22, 2026
One-click install
npx skills add https://github.com/iliaal/whetstone --skill ia-tailwind-css
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ia-tailwind-css
Source: https://github.com/iliaal/whetstone/tree/main/plugins/whetstone/skills/ia-tailwind-css
Command: npx skills add https://github.com/iliaal/whetstone --skill ia-tailwind-css

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill fixes Tailwind CSS v4 styling issues by enforcing the correct v4 patterns so agents don’t rely on outdated v3 knowledge.

Core Features & Use Cases

  • Tailwind v4 correctness: Guides CSS-first configuration using @import "tailwindcss" and @theme tokens, including dark mode patterns.
  • Migration support: Helps upgrade from Tailwind v3 to v4 by calling out breaking changes and safer class/token choices.
  • Quality guardrails: Recommends better-tailwindcss ESLint rules, class ordering/merging (cn, clsx, tailwind-merge), and common error fixes.

Quick Start

Use ia-tailwind-css to migrate a Tailwind v3 project to v4 and fix broken styles in a React/Next.js codebase.

Frequently Asked Questions about ia-tailwind-css

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I migrate Tailwind CSS from v3 to v4?

Migrating Tailwind CSS from v3 to v4 requires adopting CSS-first configuration via @import "tailwindcss" and @theme tokens, while avoiding removed opacity utilities and outdated v3-era classes to resolve breaking changes.

How does dark mode work in Tailwind CSS v4?

Dark mode in Tailwind CSS v4 works by applying CSS-first configuration and correct v4 class patterns using @custom-variant constructs, ensuring consistent utility usage and avoiding broken styling in module files.

What is the best way to configure Tailwind CSS v4 design tokens?

The best way to configure Tailwind CSS v4 design tokens is by using CSS-first configuration with @theme constructs, defining tokens directly in your CSS files to ensure lintable and non-conflicting class outputs.

Can I use tailwind-variants and cva with Tailwind CSS v4?

Yes, you can use tailwind-variants and cva with Tailwind CSS v4 to define component variants, applying correct v4 class and token patterns while utilizing class merging tools like cn, clsx, and tailwind-merge for quality guardrails.

Why are my Tailwind CSS styles broken after upgrading to v4?

Your Tailwind CSS styles are broken after upgrading to v4 because of reliance on outdated v3-era classes and removed opacity utilities; fixing this requires applying CSS-first configuration and correct v4 class patterns.

Does Tailwind CSS v4 support ESLint integration for class ordering?

Yes, Tailwind CSS v4 supports ESLint integration by recommending better-tailwindcss ESLint rules, ensuring lintable class outputs and enforcing correct class ordering and merging alongside the verification-first workflow.