A practical decision framework for choosing between CSS Grid and Flexbox: 1D versus 2D layout mechanics, alignment, subgrids, and responsive patterns.
These best practices will help you build solutions that are clean, performant, and intuitive for teammates to understand and scale.
The 1D vs 2D Mental Model
When deciding between Flexbox and Grid, ask yourself: 'Am I positioning elements along a single direction, or am I defining a structured grid where both rows and columns must stay aligned?'