JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li><a href=""></a></li>
</ul>

CSS

a {
    display: block;
    background: url("http://forum.htmlbook.ru/uploads/av-44148.jpg") no-repeat;
    height: 100px;
    text-decoration: none;
}

a:hover {
    background: url("http://www.gravatar.com/avatar/07eed1b0d2409b5631d1d25b90b5acec?d=http%3A%2F%2Fforum.htmlbook.ru%2Fpublic%2Fstyle_avatars%2Fblank_avatar.gif") no-repeat;
}