Provides comprehensive Tailwind CSS utility-first styling patterns including responsive design, layout utilities, flexbox, grid, spacing, typography, colors, and modern CSS best practices.
SkillScore100Maintained
Automatic
◆Frontend / UI pack
Last verified 8/21/2026
What it changes
Passed 25 of 25 test cases with the skill, and 23 of 25 without it.
Without skill92%
With skill100%
Checks it passed that the model alone missed
Includes focus state utility classes to maintain visible focus indicators.
Uses sm:flex on the component wrapper to switch to a horizontal layout on larger screens.
2 fixed23 passed either way0 still failing0 broke
Pass-rate lift
+8 pp
Tokens
+68%
Agent turns
0%
Response time
-3%
Model gemini-3.6-flashMeasured 8/21/2026v125 of 25 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 2
Prompt
Provide an HTML input element styled for an email address field. Ensure it features full width, rounded corners, subtle border, subtle padding, and explicit focus accessibility styling.
What was checked, without and with the skill
Checked
Without skill
With skill
Includes focus state utility classes to maintain visible focus indicators.
Missed
Passed
case-08 · gemini-3.6-flash · 8/21/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md146 lines9 files
Tailwind CSS Development Patterns
Expert guide for building modern, responsive user interfaces with Tailwind CSS utility-first framework. Covers v4.1+ features including CSS-first configuration, custom utilities, and enhanced developer experience.
Overview
Provides actionable patterns for responsive, accessible UIs with Tailwind CSS v4.1+. Covers utility composition, dark mode, component patterns, and performance optimization.