JSFiddle - React, Tailwind, and code Playground

HTML

<a href="">Bonjour :)</a>

CSS

a {
    position: relative;
    display: inline-block;
    width: 150px;
    height: 150px;
    text-indent: -999px;
}

a:before {
    content: "TEST";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin-top:50%;
    background: pink;
    text-indent: 0;
    color: black;
    text-align: center;
}