JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.0.6-development-only.js"></script>
<!DOCTYPE html>
<html>
    <head>
        <script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.0.6-development-only.js"></script>
        <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.6.2.min.js"></script>
        <style>
            #cornerDiv {
            width: 100px;
            height: 100px;
            background-color: blue;
            color: white;
            padding: 15px;
            border-radius: 17px 17px 17px 17px;
            }
        </style>
        <script>
            if (!Modernizr.borderradius) {
            $.getScript("jquery.corner.js", function () {
            $("#cornerDiv").corner();
            });
            }
        </script>
    </head>
    <body>
        <div id="cornerDiv">Rounded Corners!</div>
    </body>
</html>