Enfold Popup

function inline_popup_enabler(){ ?>
    <script>
    (function($){
      $(window).load(function() {
          $('.inline_popup').magnificPopup({
            type:'inline',
            midClick: true 
          });
      });
    })(jQuery);
    </script>
<?php }
add_action('wp_footer', 'inline_popup_enabler');

<a class="inline_popup" data-mfp-src="#contact" href="#">Contact</a>
<div id="contact"  class="white-popup narrow mfp-hide">
/* Anything that you want to display goes here */
</div>

.white-popup {
    position: relative;
    background: #FFF;
    padding: 20px;
    width: auto;
    max-width: 500px;
    margin: 20px auto;
}