guardian/frontend — pull request #4365 by ironsidevsquincy (2014-05-21 16:21:47+00:00)
Title: Comemrcial: refactor ad slot html

Basically removing the inner `ad-slot__container` div; now there's just a single div that contains the advert (and the label). This now gives us 'collapsing empty advert slots' for free

Also simplified how an advert is added to a containers