css-core

Standardize CSS architecture, design tokens, and accessibility with custom properties.

1|Updated Mar 22, 2026

Search Tags:#architecture #accessibility #css #responsive-design #design-tokens #color-management

Ready to run

npx skills add https://github.com/caraya/agent-skills --skill css-core

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: css-core
Source: https://github.com/caraya/agent-skills/tree/main/skills/css-core
Command: npx skills add https://github.com/caraya/agent-skills --skill css-core

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provide production-ready CSS guidance to standardize architecture, tokens, responsive patterns, and accessibility usage.

Core Features & Use Cases

Architecture guidance using design tokens and CSS custom properties to centralize styles.
Responsive layout patterns with container queries and logical properties.
Accessibility-first color usage and contrast considerations with color tokens; coordination with color-expert and ui-accessibility.

Quick Start

Define design tokens as CSS custom properties and begin applying responsive rules across components.

Frequently Asked Questions about css-core

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

FAQPage Schema

How do I standardize CSS architecture using design tokens?▼

Implement responsive design using container queries for component-level layouts and logical properties for direction-agnostic styling. This method adapts UI elements to their parent container size rather than the viewport, ensuring true modular responsiveness.

How do I manage accessible color contrast with CSS tokens?▼

Apply responsive layout patterns using container queries and logical properties to adapt components to their surroundings. Combine these with centralized design tokens via CSS custom properties to maintain architectural consistency across your application.

Is production-ready CSS architecture suitable for component libraries?▼

Yes, container queries work well within design systems to create encapsulated, responsive UI components. By relying on container queries and logical properties, components adapt independently to their parent containers rather than the global viewport.

What are the limitations of using CSS custom properties for design tokens?▼

Adopting CSS custom properties for design tokens requires modern browser support and team adherence to accessibility standards. Complex token inheritance across large-scale UI projects can also introduce debugging challenges if not standardized correctly.