JSFiddle - React, Tailwind, and code Playground
by dglazkov
HTML
<html>
<head>
<style type="text/css">
ul, li {display: inline;}
ul {margin: 0;}
li { float: left; }
li:last-child:after {content: "4";}
</style>
</head>
<body>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
</ul>
</body>
</html>