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File Content: preview.php

<?php
defined('ABSPATH') or exit;

// fake post to prevent notices in wp_enqueue_scripts call
$GLOBALS['post'] = new \WP_Post((object) array( 'filter' => 'raw' ));

// render simple page with form in it.
?><!DOCTYPE html>
<html>
<head>
    <title>Mailchimp for WordPress Form Preview</title>
    <meta charset="utf-8" />
    <meta name="robots" content="noindex" />
    <link type="text/css" rel="stylesheet" href="<?php bloginfo('stylesheet_url'); ?>" />
    <?php
    wp_enqueue_scripts();
    wp_print_styles();
    wp_print_head_scripts();

if (function_exists('wp_custom_css_cb')) {
        wp_custom_css_cb();
    }
    ?>
    <style>
        body{
            background: white;
            width: 100%;
            max-width: 100%;
            text-align: left;
        }

/* hide all other elements */
        body::before,
        body::after,
        body > *:not(#form-preview) {
            display:none !important;
        }

#form-preview {
            display: block !important;
            width: 100%;
            height: 100%;
            padding: 20px;
            border: 0;
            margin: 0;
        }
    </style>
</head>
<body class="page-template-default page ">
    <div id="form-preview" class="page type-page status-publish hentry post post-content">
        <?php mc4wp_show_form($form_id); ?>
    </div>
    <?php wp_footer(); ?>
</body>
</html>

Name	Size	Permission
js	---	0755
parts	---	0755
tabs	---	0755
add-form.php	3462 bytes	0644
edit-form.php	4866 bytes	0644
preview.php	1401 bytes	0644