JSFiddle - React, Tailwind, and code Playground

HTML

НАВОДИМ КУРСОР НА ТЕКСТ

<div id="block">
  текст <br>
  sadasdsad<br>
  sadsadsdasd<br>
  asdasdasdsad<br>
</div>

CSS

#block {
  width: auto;
  height: 10px;
  overflow: hidden;
  padding: 5px 10px;
  font-size: 14px;
}

#block:hover {
  height: auto;
  cursor: pointer;
}