css-debug

Diagnose CSS layout issues in Tailwind and React apps.

258|26|Updated Dec 9, 2025
One-click install
npx skills add https://github.com/majiayu000/spellbook --skill css-debug
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: css-debug
Source: https://github.com/majiayu000/spellbook/tree/main/skills/css-debug
Command: npx skills add https://github.com/majiayu000/spellbook --skill css-debug

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Diagnosing CSS and frontend layout issues can be time-consuming; this skill provides a structured approach to identify root causes, collect relevant context, and guide fixes.

Core Features & Use Cases

  • Layout diagnosis: identify positioning, overflow, z-index, and visibility problems that impact rendering and user experience.
  • Guided debugging: step-by-step checks for common frontend issues in Tailwind, React, and vanilla CSS.
  • Example use case: a developer is troubleshooting a clipped absolute element on a responsive page and uses this skill to locate the offending ancestor and adjust overflow or positioning.

Quick Start

Provide a structured CSS/layout diagnosis for a given page by collecting HTML structure, computed styles, and screenshots, then propose fixes.

Frequently Asked Questions about css-debug

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

FAQPage Schema
How do I debug CSS layout issues like clipped absolute elements in React?

Debug CSS layout issues by collecting the HTML structure, computed styles, and screenshots, then performing step-by-step checks to identify offending ancestors causing clipping. This structured approach locates root causes in positioning or overflow to guide specific fixes.

Why does my Tailwind layout have an overflow or z-index visibility problem?

Tailwind layout visibility problems often stem from incorrect overflow settings, invalid z-index stacking contexts, or misconfigured positioning. Diagnose these rendering issues by inspecting computed styles and tracing ancestor containers to find the property causing the hidden or clipped content.

What is the best way to troubleshoot frontend rendering problems across different browsers?

The best way to troubleshoot frontend rendering problems is to run guided debugging checks using browser debugging commands to inspect computed styles and DOM structure. This method identifies positioning and overflow discrepancies to provide actionable recommendations for cross-browser fixes.

Can I use this approach to fix z-index stacking and positioning in vanilla CSS?

Yes, you can fix z-index stacking and positioning in vanilla CSS. The diagnostic approach applies to positioning, overflow, and rendering visibility problems, supporting step-by-step debugging checks across Tailwind, React, and vanilla CSS environments.

What steps should I take when a CSS element is not displaying correctly on a responsive page?

When a CSS element is not displaying correctly on a responsive page, collect the HTML structure and computed styles, then run step-by-step debugging checks. Locate the offending ancestor affecting overflow or positioning to apply the necessary responsive layout adjustments.

Does CSS debugging work without external libraries or dependencies?

Yes, CSS debugging works without external libraries or dependencies. It relies on collecting page context like HTML structure and screenshots, then applying guided checks and browser commands to diagnose rendering issues directly within your existing frontend environment.