{{! http://www.xhtml-lab.com/css/create-reflection-effect-using-css3 }}

<div style="background-color:#000">
{{#items}}
<div class="image-block">
   <a href="{{full_image_url}}">{{{square_image}}}</a> 
   <div class="reflection">
      <img src="{{square_image_url}}" alt="" />
      <div class="overlay"></div>
   </div>
   </div>
   {{/items}}
</div>