JSFiddle - React, Tailwind, and code Playground

by Kiwoong Jang

HTML

<ul>
  <li><a href="#">AAAA</a></li>
  <li><a href="#">BB</a></li>
  <li><a href="#">CCCCCC</a></li>
  <li><a href="#">DDDDD</a></li>
  <li><a href="#">EEEE</a></li>
</ul>

CSS

ul, li { margin: 0; padding: 0; list-style: none; }
ul {
  width: 100%;
  overflow: hidden;
}
li {
  position: relative;
  float: left;
  width: 20%;
  height: 40px;
  border: 5px solid #0073e9;
  border-left: 0;
  box-sizing: border-box;
}
li:first-child {
  border-left: 5px solid #0073e9;
}
li a {
  display: block;
  width: 100%;
  height: 40px;
  padding-top: 5px;
  text-align: center;
  box-sizing: border-box;
}
li a:hover {
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  width: auto;
  padding-top: 10px;
  color: #fff;
  background-color: #000;
  z-index: 10;
}