We can now Transition to and from display: none
00:00 - Introduction
00:40 - Using keyframes to animate the display property
04:45 - What you might try to get transition to work
05:58 - What is a discrete animation
08:13 - Open Web Docs
09:00 - Using transitions to go to and from display: none
10:55 - CSS Demystified
11:30 - Using @starting-style
12:30 - Easily have different transitions in each direction
13:52 - Browser support and progressive enhancements
16:12 - Make sure you include overlay for popups and dialogs
17:25 - The problem with peudo-elements, including ::backdrop