JSFiddle - React, Tailwind, and code Playground

HTML

<p>Here (scaleY(1))</p>
<ul>
  <li>Coffee</li>
  <li>Tea</li>
  <li>Milk</li>
</ul>
Hello.

CSS

ul {
	background-color: #eee;

	-webkit-transform: scaleY(0);
	-o-transform: scaleY(0);
	-ms-transform: scaleY(0);
	transform: scaleY(0);

	-webkit-transform-origin: top;
	-o-transform-origin: top;
	-ms-transform-origin: top;
	transform-origin: top;

	-webkit-transition: -webkit-transform 0.26s ease-out;
	-o-transition: -o-transform 0.26s ease;
	-ms-transition: -ms-transform 0.26s ease;
	transition: transform 0.26s ease;
    position:absolute;
}

p:hover ~ ul {
	-webkit-transform: scaleY(1);
	-o-transform: scaleY(1);
	-ms-transform: scaleY(1);
	transform: scaleY(1);
    position: relative;
}