JSFiddle - React, Tailwind, and code Playground

by Łukasz Bącik

HTML

<ul>
  <li><a href="#">Home</a></li>
  <li><a href="#">Some page</a></li>
  <li><a href="#">Some other page</a></li>
  <li><a href="#">Last page</a></li>
</ul>

CSS

ul li {
  display: inline-block;
}
ul li a {
  display: block;
  height: 26px;
  line-height: 26px;
  color: #000;
  text-decoration: none;
  padding: 0 5px;
  margin: 0 5px;
  text-transform: uppercase;
  position: relative;
}
ul li a:after,
ul li a:before {
  content: '';
  display: block;
  height: 1px;
  width: 0%;
  background: #000;
  position: absolute;
  transition: width 0.2s ease-in-out;
}
ul li a:after {
  bottom: 0;
  right: 0;
}
ul li a:before {
  top: 0;
  left: 0;
}
ul li a:hover:before,
ul li a:hover:after {
  width: 100%;
}