Александр Ме

body {
    min-width: 200px;
}

<data itemprop="openingHours" value="Mo 11:00-22:00">11:00-22:00</data>

<meta itemprop="openingHours" content="Mo-Sa 11:00-14:30">Mon-Sat 11am - 2:30pm
<meta itemprop="openingHours" content="Mo-Th 17:00-21:30">Mon-Thu 5pm - 9:30pm

<?php 
add_action('post_submitbox_misc_actions','post_check_box');
function post_check_box() { ?>
<div class="misc-pub-section">
<p><input type="checkbox" name="post_to_vk" /> Опубликовать на стене ВКонтакте </p>
</div>
<?php } ?>

if (($new_status == 'publish' && $old_status != 'publish') || ( isset( $_POST['post_to_vk'] ) && $_POST['post_to_vk'] && $new_status == 'publish' )) {
		cross_post($post);
	}