JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="nl">

<head>
    <meta charset="utf-8">
    <title><?php bloginfo('name'); ?> | <?php wp_title(); ?></title>
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <link rel="stylesheet" href="<?php bloginfo('stylesheet_url'); ?>">
     <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4/leaflet.css" />
 <!--[if lte IE 8]>
     <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4/leaflet.ie.css" />
 <![endif]-->
    <link rel="pingback" href="<?php bloginfo('pingback_url'); ?>">
    <link rel="shortcut icon" href="favicon.ico">

    <?php wp_head(); ?>

</head>

<body>
    <div id="top">
        <div class="container">
            <h1 id="logo"><a href="<?php bloginfo('siteurl'); ?>"><img src="<?php print IMAGES; ?>/logo.png" alt="<?php bloginfo('name'); ?>"/></a></h1>
            <?php wp_nav_menu( array('menu' => 'main', 'menu_class' => '','container_id' => 'nav') ); ?>
        </div><!-- end container -->
    </div><!-- end top -->
        <div class="container">
            <div id="main">