CSS Grid is a powerful two-dimensional layout system for creating complex grid-based designs. Here's how to use it.
Basic Grid
Grid Template Areas
Responsive Grid
Gap (Gutters)
Alignment
Spanning Items
Named Lines
Implicit Grid
Card Grid
Dashboard Layout
Holy Grail Layout
Masonry-like Grid
Overlapping Items
Subgrid (Modern Browsers)
Best Practices
Layout Choice:
✓ Grid for 2D layouts
✓ Flexbox for 1D layouts
✓ Grid for page structure
✓ Flexbox for component alignment
Responsive:
✓ Use auto-fit/auto-fill
✓ Use minmax() for flexibility
✓ Mobile-first approach
✓ Test at breakpoints
Accessibility:
✓ Maintain logical order
✓ Don't rely on visual order
✓ Use semantic HTML
✓ Test with screen readers
Avoid:
✗ Over-nesting grids
✗ Fixed sizes when flexible works
✗ Ignoring implicit grid
✗ Complex areas for simple layouts
Conclusion
CSS Grid provides powerful two-dimensional layout capabilities. Use grid-template-areas for named regions, auto-fit and minmax() for responsive grids, and explicit placement for complex layouts. Combine with Flexbox for component-level alignment within grid items. Always consider accessibility and maintain logical source order.