?>

<a href="#" class="topopup">Click Here Trigger</a>

<div id="toPopup">

<div class="close"></div>
<span class="ecs_tooltip">Press Esc to close <span class="arrow"></span></span>
<div id="popup_content"> <!--your content start-->
<?php echo do_shortcode('[contact-form-7 id='7517']'); ?>


</div>

</div>

<div class="loader"></div>
<div id="backgroundPopup"></div>
<?php