Intermediate
Open a panel to its natural height
The panel opens to height: auto and snaps. Make it open in 300 ms.
For reduced-motion users it must open at once.
What Check tests
- 150 ms after the click the panel is part way open
- It ends at its natural height
- With reduced motion it opens at once
Stuck? One hint at a time
The solution unlocks after your first Check. Try first: that is where the learning happens.
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animations
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