Chrome Version       : 53.0.2785.116 (Official Build) m (32-bit)
URLs (if applicable) : http://codepen.io/anon/pen/ALXKrr
Other browsers tested: 
     Safari:
    Firefox: 48.0.2 OK
         IE: 11.589 OK

What steps will reproduce the problem?
1. Go to http://codepen.io/anon/pen/ALXKrr
2. There's nothing where there should be a polygon
3. Removing css declaration makes the polygon to appear

What is the expected result?
The polygon should have a shadow undearneath it

What happens instead?
The polygon is not rendered at all