JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<!-- 
// close current window would not work in this page
// please copy this code, paste in some txt.file 
// than convert it to html
-->
<html>
    <head>
        <style type="text/css">
            #container {background-color:#6495ed;}
            #right{float:right;}
        </style>
    </head>
    <body>

        <div id="container">
            <h3>My page

<div id="right">
                <input type="button" value="Print this page" onclick="javascript: window.print();" />
                <input type="button" value="close current window" onclick="javascript:var win = window.open('', '_self');win.close();return false;"
    />
            </div>
</h3>
           
        </div>
    </body>
</html>