JSFiddle - React, Tailwind, and code Playground
by Eduardo GarcĂa Sanz
HTML
<ul id="faces">
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0518.jpg"/>
</li>
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0517.jpg"/>
</li>
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0516.jpg"/>
</li>
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0515.jpg"/>
</li>
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0519.jpg"/>
</li>
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0520.jpg"/>
</li>
<li>
<img src="http://www.alexandery.net/wp-content/uploads/2013/05/IMG_0521.jpg"/>
</li>
</ul>
CSS
body {
background-color: #222;
}
#faces {
list-style: none;
padding: 0;
width: 400px;
height: 533px;
margin: 20px auto;
border: 8px solid white;
position: relative;
}
#faces > li {
padding: 0;
margin: 0;
width: calc(100% / 7);
height: 100%;
float: left;
}
#faces > li + li > img {
opacity: 0;
}
#faces > li:hover > img {
opacity: 1;
}
#faces > li > img {
display: block;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
pointer-events: none;
}