JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="btn">Button</a>

CSS

a.btn{
    display: block;
    background-color: Green;
    width: 50px;
    height: 25px;
    text-align: center;
    text-decoration: none;
    color: White;
}
a.btn:hover{
    background-color: lightGreen;
    color: Black;
}