display
and overlay
:
+
+
+ The display
property must be included in the transitions list to
+ ensure the element remains visible throughout the animation. The value flips
+ from none
to block
at 0% of the animation, ensuring
+ visibility for the entire duration. The
+ overlay
ensures the element stays in the top layer until the
+ animation completes.
+
transition-behavior: allow-discrete
:
+
+
+ This property is essential when animating discrete properties like{' '}
+ display
and overlay
, which are not typically
+ animatable. It ensures smooth transitions for these discrete properties.
+
@starting-style
:
+
+
+ CSS transitions are only triggered when a property changes on a visible
+ element. The
+ @starting-style
at-rule allows you to set initial styles (e.g.,{' '}
+ opacity
and
+ transform
) when the element first appears, ensuring that the
+ animation behaves predictably.
+
+ + Browser versions that do not support the popover API natively + {' '} + have known issues when trying to use animations or transitions. If you need to + support legacy versions of browsers, please be sure to test this functionality + independently. +
+