JSFiddle - React, Tailwind, and code Playground

HTML

<div class="overlay">
    <span>HELLO</span>
</div>

CSS

.overlay {
    background: url('http://imgsv.imaging.nikon.com/lineup/lens/zoom/normalzoom/af-s_dx_18-140mmf_35-56g_ed_vr/img/sample/sample1_l.jpg');
    width: 200px;
    height: 200px;
}

.overlay:hover{
    background: url('http://www.root777.com/wp-content/themes/thesis_17/custom/rotator/sample-1.jpg');
}

span{
    color: white;
}