JSFiddle - React, Tailwind, and code Playground

HTML

<div class="tooltip">
  Title
  <span> - content</span>
</div>

CSS

.tooltip span {
  visibility: hidden;
}

.tooltip:hover span {
  visibility: visible;
}

.tooltip span:not(:hover) {
  visiblity: hidden;
  transition: visibility 5s;
}