JSFiddle - React, Tailwind, and code Playground

by kirito0709

HTML

<div>
<div class="lol">111111<div class="kk"></div></div>
<div class="lol">222222<div class="kk"></div></div>
<div class="lol">333333<div class="kk"></div></div>
<div class="lol">444444<div class="kk"></div></div>
</div>

CSS

.lol{
  margin-left:10px;
  display:inline-block;
 }
.kk{
  position:absolute;
  left:0;
  right:0;
  top:30px;
  height:0;
  background:yellow;
 }
.lol:hover .kk{
  height:200px;
  transition: height 0.5s ease-in, background 0.5s ease-in;
  background:green;
}