Selector is pseudo-class
Table of Contents
About
:is() 1) is a matches-any logical pseudo-class that takes a selector list as its argument.
Example
matches any element that is being hovered/focused
in all namspace
*|*:is(:hover, :focus)
in the default namespace
- represents only hovered or focused elements that are in the default namespace, because it uses an explicit universal selector within the :is() notation
*|*:is(*:hover, *:focus)