<?php die;?>

<script src="https://cdnjs.cloudflare.com/ajax/libs/fancybox/2.1.5/jquery.fancybox.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/fancybox/2.1.5/jquery.fancybox.min.css" property="" rel="stylesheet">

<script type="text/javascript" src="/modal-form/callbackForm.js"></script>
<script type="text/javascript" src="/modal-form/mask.js"></script>
<?php include $_SERVER['DOCUMENT_ROOT'] . '/modal-form/form.php'; ?>

<a class="btn btn-block btn-primary callback-btn" href="#callback_form">Обратный звонок</a>