What browsers support container queries?

Chrome 105+, Firefox 110+, Safari 16+, Edge 105+. All modern browsers support them. Production-ready for most projects as of 2024.

Can I nest containers?

Yes. A container query matches the nearest ancestor container. Use container-name to target specific containers when nesting.

What is the performance impact?

Minimal. Container queries use layout containment which can actually improve performance by limiting the scope of layout recalculations.

Do I still need media queries?

Yes, for viewport-level layout decisions (page structure, column counts). Container queries handle component-level responsiveness within that structure.

CSS Container Queries: The Complete Guide (2026)

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