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Mastering CSS Anchor Positioning: Goodbye Popper.js & Floating UI

Step-by-step guide to the CSS Anchor Positioning API. Learn to build dropdowns, tooltips, and overlay popovers without JavaScript positioning libraries.

Sachin Sharma
Sachin SharmaCreator
Jun 17, 2026
3 min read
Mastering CSS Anchor Positioning: Goodbye Popper.js & Floating UI
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Quick Overview

Step-by-step guide to the CSS Anchor Positioning API. Learn to build dropdowns, tooltips, and overlay popovers without JavaScript positioning libraries.

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Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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Mastering CSS Anchor Positioning: Goodbye Popper.js & Floating UI

Browser-native tooltips, dropdowns, and context menus are finally here. Discover how to use the CSS Anchor Positioning API to align floating elements with zero JavaScript.