What problem does it solve? Recreating the visual language of well-known websites requires manually reverse-engineering color palettes, typography scales, spacing systems, and component styles. This Skill provides 54 ready-made design system templates so generated HTML/CSS matches a target brand's look without manual inspection. ## Core Features & Use Cases - 54 Design System Templates: Each template captures a site's color palette, typography hierarchy, component styles, spacing, shadows, and responsive behavior with exact CSS values. - Font Substitution Mapping: Proprietary fonts are mapped to Google Fonts CDN substitutes with ready-to-paste link tags and CSS font stacks. - Agent Prompt Guides: Templates include example component prompts and iteration guides for generating accurate HTML artifacts. - Use Case: A user asks for a landing page styled like Linear. Load templates/linear.app.md, apply its dark palette, purple accent, and typography tokens, write the HTML file, and verify the result visually. ## Quick Start Ask the agent to build a landing page that looks like Stripe using the popular-web-designs skill and verify the rendered result in the browser.