MCPInstall

css-architecture

Organize CSS using BEM, SMACSS, and CSS-in-JS patterns. Use when building scalable, maintainable styling systems with proper naming conventions.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/aj-geddes/useful-ai-prompts --skill css-architecture
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads css-architecture automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

CSS Architecture

Table of Contents

Overview

Build maintainable CSS systems using methodologies like BEM (Block Element Modifier), SMACSS, and CSS-in-JS patterns with proper organization and conventions.

When to Use

  • Large-scale stylesheets
  • Component-based styling
  • Design system development
  • Multiple team collaboration
  • CSS scalability and reusability

Quick Start

Minimal working example:

/* Block - standalone component */
.button {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s ease;
}

/* Element - component part */
.button__icon {
  margin-right: 8px;
  vertical-align: middle;
}

/* Modifier - variant */
.button--primary {
  background-color: #007bff;
  color: white;
}

.button--primary:hover {
  background-color: #0056b3;
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

GuideContents
BEM (Block Element Modifier) PatternBEM (Block Element Modifier) Pattern
SMACSS (Scalable and Modular Architecture for CSS)SMACSS (Scalable and Modular Architecture for CSS)
CSS-in-JS with Styled ComponentsCSS-in-JS with Styled Components
CSS Variables (Custom Properties)CSS Variables (Custom Properties)
Utility-First CSS (Tailwind Pattern)Utility-First CSS (Tailwind Pattern)

Best Practices

✅ DO

  • Follow established patterns and conventions
  • Write clean, maintainable code
  • Add appropriate documentation
  • Test thoroughly before deploying

❌ DON'T

  • Skip testing or validation
  • Ignore error handling
  • Hard-code configuration values

FAQ

What does the css-architecture skill do?

Organize CSS using BEM, SMACSS, and CSS-in-JS patterns. Use when building scalable, maintainable styling systems with proper naming conventions.

How do I install css-architecture?

Run npx skills add https://github.com/aj-geddes/useful-ai-prompts --skill css-architecture in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/css-architecture/ (personal) or .claude/skills/css-architecture/ (project).

Which AI agents can use css-architecture?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is css-architecture safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains css-architecture?

It is published by aj-geddes in aj-geddes/useful-ai-prompts. It has 959 recorded installs.

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