Animate Height from 0 ➝ auto in CSS (Without JS Hacks!) 🚀
Animating height: 0 to height: auto doesn’t work in CSS ❌ — but in this video, I’ll show you a clean, production-ready trick to achieve the same effect smoothly and correctly ✅
This technique is widely used in accordions, FAQs, dropdowns, and collapsible sections in real-world frontend projects.
🔥 What you’ll learn in this video:
Why height: auto cannot be animated in CSS
The correct CSS trick to animate a dynamic height
How grid-template-rows: 0fr → 1fr works
Real-world use cases (accordion, FAQ, toggle panels)
A clean alternative to max-height hacks
Performance-friendly animation approach
If you’re a frontend developer, this is one of those “CSS tricks every pro should know” 💡
🧠 Best Use Cases
✔ FAQ Sections
✔ Accordions
✔ Expand / Collapse Content
✔ Dropdown Menus
✔ Smooth UI Interactions
🛠 Tech Used
CSS Grid
Modern CSS Transitions
No JavaScript Required
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