The customizable select - Part three: Sticky Options

In this third episode of my exploration of the customizable select, I thought it was time to show how we can have a little bit of fun with an old friend: sticky positioning. In this article, we’ll be following up on earlier techniques while exploring how we can use the :checked pseudo-class to create a fun open and close effect. We’ll be messing with top-layer functionality, interpolate-size and other trickery to create an emoji picker.
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