JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html" charset="utf-8" />
<link rel="stylesheet" type="text/css" href="css/ui-lightness/jquery-ui-1.8.17.custom.css" />
<script type="text/javascript" src="jquery-1.7.1.js"></script>
<script type="text/javascript" src="jquery-ui-1.8.17.custom.min.js"></script>
<script type="text/javascript">
    $(document).ready(function(){
        $('#main').resizable({
            ghost: true,
            helper: 'border_accord'});
        
        $('#accord p').hide();
        
        $('#accord h3').toggle(function(){
            $(this).addClass('h3_click');
            $(this).next('p').slideDown().siblings('p:visible').slideUp();
            $(this).siblings('h3').removeClass('h3_click');}, 
                function(){
                    $(this).removeClass('h3_click').next('p').slideUp();
                    });
    
        });
        
</script>
<style type="text/css">
*, html, body{
    padding:0px; margin:0px;}
#main{
    width:200px;
    min-height:200px;
    background-color:#e9e9e9;
    padding:10px;}
#header{
    height:22px;
    background-image:url(images/bg_header.png);
    border:1px solid #C90;
    color:#FFF;
    text-align:center;
    font-size:18px;
    font-weight:bold;
    padding-top:3px;}
#accord h3{
    height:25px;
    border-radius:5px;
    border:1px solid #ccc;
    background-image:url(images/bg_h3.png);
    margin-top:1px;
    margin-bottom:1px;
    text-align:center;
    font-size:14px;
    color:#6699CC;
    padding-top:5px;
    cursor:pointer;}
#accord p{
    min-height:100px;
    border-radius:5px;
    border:1px solid #ccc;
    padding:10px;
    color:#333;}
#accord p span{
    display:block;
    margin-left:5px;
    margin-top:5px;}
.button_size{
    width:85px;
    height:25px;
    margin-top:5px;}
#accord h3:hover{
   ...