UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36

Example URL:
http://dabblet.com/gist/50c4ddf21cb3ace0e706f6971a3a0ba8

Steps to reproduce the problem:
1. Open url

What is the expected behavior?
Upper and lower sample should look alike

What went wrong?
Upper sample has only one column, should be two

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? Yes 

Does this work in other browsers? Yes 

Chrome version: 53.0.2785.116  Channel: stable
OS Version: 10.0
Flash Version: Shockwave Flash 23.0 r0