JSFiddle - React, Tailwind, and code Playground

by strange_atom

HTML

<div id="a">
    <div id="b"></div>
</div>

CSS

#a {
    width: 80px;
    height: 80px;
    background: #323232 url('http://epicforever.ru/css/images/radiosprite.png') center top no-repeat;
}
#b {
    width: 100%;
    height: 100%;
    background: url('http://epicforever.ru/css/images/radiosprite.png') center -82px no-repeat;
    -webkit-transition: opacity 2s;
    opacity: 0;
}
#b:hover {
    opacity: 1;
}