A common problem people ask me about is animating from, or to display: none, since it's not an animatable property.

After making my recent video on the dialog element, I got a lot of questions about animating it in and out, and it just so happens to use `display: none` when it's closed, so I saw it as a good opportunity to take a look at it.

Links
✅ The video on the dialog element:    • dialog = the easiest way to make a po...  
✅ The CodePen: https://codepen.io/kevinpowell/pen/QW...
✅ Open Props: https://openprops.style/
✅ Video introducing Open Props:    • Supercharge your CSS with Open Props  

⌚ Timestamps
00:00 Introduction
01:32 What we're starting with
01:59 Adding the animation on open
02:52 The problem with backdrop
03:53 Getting the backdrop to fade in
04:31 Why it's easy to animate on open but not on close
05:28 A quick fix for animating the close
06:37 the problems with this solution
08:37 Making a "closing" state
09:15 Making the closing state work
14:06 The problem with different animations on close
15:01 Closing when we click outside the modal
19:36 fixing the backdrop shadow effect

#css



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