JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
    <li><a href=""><img src="http://placekitten.com/g/100/60" /></a></li>
</ul>

CSS

ul {
    list-style: none;
    width:400px;
    margin: auto;
}
ul li img { display: block; }
ul li {
    display: inline-block;
    padding: 0 10px;
    border-right: 1px solid black;
    text-align: center;
    margin: 6px 0;
}
ul li:nth-child(3n) {
    border: none;
}