JSFiddle - React, Tailwind, and code Playground

by jarhar

HTML

<button popovertarget=popover>toggle popover</button>
<div id=popover popover>popover</div>

CSS

#popover {
  transition: opacity 1s, display 1s allow-discrete;
  opacity: 0;
}
#popover:popover-open {
  opacity: 1;
}