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css-grid

Review layouts that need alignment across both rows and columns, and suggest CSS Grid changes. Check rendered behavior at different screen widths and explain sizing, named areas, and grids that adapt to their content.

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Use when reviewing stylesheets, component styles, and responsive behavior related to Use CSS Grid for two-dimensional layouts. Check the rendered layout across breakpoints and interaction states before proposing a fix.

See how to install

Good for

  • Replacing two-dimensional Flexbox or float layouts
  • Building card grids that adapt to screen width
  • Aligning nested elements with a parent grid

Files included (2)

  • SKILL.md1.9 KB
  • references/rule.md3.6 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Use CSS Grid for two-dimensional layouts

CSS Grid solves layout problems that previously required JavaScript or complex CSS hacks — aligning items across both axes simultaneously, creating named layout areas, and building responsive grids that adapt to content. Using Flexbox for two-dimensional layouts results in workarounds like fixed widths that break responsiveness.

Quick Reference

  • Use Grid for two-dimensional layouts (rows AND columns); use Flexbox for one-dimensional
  • grid-template-areas provides a visual representation of the layout in your CSS
  • minmax() and auto-fill/auto-fit create responsive grids without media queries
  • Subgrid allows nested elements to align to the parent grid's tracks

Check

Look for float-based or Flexbox layouts in this CSS that are trying to control both rows and columns — they may be better implemented with CSS Grid.

Fix

Convert this two-dimensional layout to use CSS Grid with appropriate grid-template-columns, grid-template-rows, and grid-template-areas.

Explain

Explain CSS Grid fundamentals: tracks, cells, areas, fr units, minmax, and auto-fill vs auto-fit.

Code Review

Review stylesheets, component styles, and responsive states related to Use CSS Grid for two-dimensional layouts. Flag exact selectors, declarations, or breakpoints that violate the rule in the rendered UI.


For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/rules/css/css-grid

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