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Responsive Design

responsive-design

Modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first strategies.

wshobson/agents20Kinstalls40.2KstarsDesign & UI/UX

SKILL.md

Full skill instructions

Responsive Design

Master modern responsive design techniques to create interfaces that adapt seamlessly across all screen sizes and device contexts.

When to Use This Skill

  • Implementing mobile-first responsive layouts
  • Using container queries for component-based responsiveness
  • Creating fluid typography and spacing scales
  • Building complex layouts with CSS Grid and Flexbox
  • Designing breakpoint strategies for design systems
  • Implementing responsive images and media
  • Creating adaptive navigation patterns
  • Building responsive tables and data displays

Detailed patterns and worked examples

Detailed pattern documentation lives in references/​details.md. Read that file when the navigation tier above is insufficient.

Best Practices

  1. Mobile-First: Start with mobile styles, enhance for larger screens
  2. Content Breakpoints: Set breakpoints based on content, not devices
  3. Fluid Over Fixed: Use fluid values for typography and spacing
  4. Container Queries: Use for component-level responsiveness
  5. Test Real Devices: Simulators don't catch all issues
  6. Performance: Optimize images, lazy load off-screen content
  7. Touch Targets: Maintain 44x44px minimum on mobile
  8. Logical Properties: Use inline/​block for internationalization

Common Issues

  • Horizontal Overflow: Content breaking out of viewport
  • Fixed Widths: Using px instead of relative units
  • Viewport Height: 100vh issues on mobile browsers
  • Font Size: Text too small on mobile
  • Touch Targets: Buttons too small to tap accurately
  • Aspect Ratio: Images squishing or stretching
  • Z-Index Stacking: Overlays breaking on different screens

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