Choose Your Level
Pick the difficulty that matches where you are. You can come back and try a harder level later.
Beginner
Build a Basic CSS/JS Modal Overlay
Create a simple, cleanly styled modal without relying on external UI libraries.
1 to 2 hours 3 criteria
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Intermediate
WAI-ARIA & Keyboard Accessibility
Make the modal fully usable for screen readers and keyboard-only users.
2 to 4 hours 4 criteria
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Advanced
Headless UI & React Portals
Build a reusable, headless modal system for a large-scale React application.
4 to 6 hours 4 criteria
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