Phase 3 · HTML, CSS & JavaScript Essentials
TopicsResponsive Design
Part of the Full Stack Developer Roadmap.
Summary
Building layouts that adapt gracefully across screen sizes using fluid grids, flexible images and media queries — every full-stack app needs to work on mobile.
How to Learn This
- 1Rebuild a project mobile-first, then scale up to desktop.
- 2Test your layout using your browser's device toolbar across several sizes.
- 3Learn `min-width` media queries as the mobile-first default.
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