responsive-design

Design mobile-first web layouts with container queries and fluid typography.

4|Updated Mar 3, 2026
One-click install
npx skills add https://github.com/AI-Foundry-Core/ril-agents --skill responsive-design-ai-foundry-core
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: responsive-design
Source: https://github.com/AI-Foundry-Core/ril-agents/tree/main/plugins/ui-design/skills/responsive-design
Command: npx skills add https://github.com/AI-Foundry-Core/ril-agents --skill responsive-design-ai-foundry-core

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Design teams and developers struggle to create interfaces that scale across devices; this skill provides a structured approach to modern responsive design using container queries, fluid typography, and layout patterns.

Core Features & Use Cases

  • Container Queries: Component-scoped responsiveness based on container size, enabling reusable UI elements.
  • Fluid Typography & Spacing: Scales typography and spacing using clamp() and viewport units for consistent rhythm.
  • Layout Patterns: CSS Grid and Flexbox strategies, intrinsic sizing, and responsive tables for adaptable layouts.
  • Breakpoint Strategy: Mobile-first, content-based breakpoints, and design token integration for scalable systems.

Quick Start

Create a mobile-first page applying container queries and fluid typography to demonstrate adaptive, device-agnostic layouts.

Frequently Asked Questions about responsive-design

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

FAQPage Schema
How do I build responsive interfaces that adapt to different screen sizes?

Build responsive interfaces using a mobile-first strategy combined with CSS Grid, Flexbox layout patterns, and fluid typography to ensure consistent UX across devices. This approach ensures components scale smoothly across screen sizes.

What are container queries and when do I need them for responsive design?

Container queries enable component-scoped responsiveness based on container size rather than the viewport. You need container queries when creating reusable UI elements that must adapt independently of the surrounding page layout.

How do I implement fluid typography and spacing with CSS?

Implement fluid typography and spacing using the CSS clamp() function alongside viewport units. This scales text and spacing dynamically to maintain a consistent visual rhythm across varying screen dimensions.

Can I use CSS Grid and Flexbox together for adaptive layouts?

Yes, you can use CSS Grid and Flexbox together for adaptive layouts. Apply CSS Grid for two-dimensional page structures and Flexbox for intrinsic sizing and one-dimensional component alignment to create adaptable interfaces.

What is the best way to define breakpoints for a scalable design system?

The best way to define breakpoints is adopting a mobile-first strategy using content-based breakpoints integrated with design tokens. This ensures scalable systems adapt to content needs rather than specific device widths.

Does modern responsive design still require progressive enhancement?

Modern responsive design satisfies requirements for progressive enhancement strategies. Applying progressive enhancement ensures your mobile-first layouts and container-based responsiveness remain functional on devices with limited capabilities.