JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="link-img">Example Link</a>

CSS

.link-img {
  text-decoration: none;
  display: block;
  padding: 5px;
  width: 120px;
  height: 50px;
  color: white;
  background-color: darkred;
}

.link-img:hover{
  box-shadow: inset 0 -10px 0 0 cyan;
}