JSFiddle - React, Tailwind, and code Playground

HTML

<div class="content" style="position:absolute;">
    <div style="opacity: 1;">cursor in/out</div>
    <div style="overflow: hidden; background-color: grey; height: 50px;"></div>
</div>

CSS

.content:hover{
  box-shadow: 0px 2px 10px 1px grey;
}