JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#">
  center the text below me relative to me
</a>

CSS

a {
  display: inline-block;
  border:1px solid black;
}

a:after {
  visibility:hidden;
  content:'center';
  display: inline-block;
  position: relative;
  display:flex;
  justify-content:center;
  border:1px solid blue;
}

a:hover::after{
  visibility:visible;
}
/* a:after {
  display:none;
  content:'center';
  display: inline-block;
  position: relative;
  top: 15px;
  border:1px solid blue;
} */