Added mininum height to experiment header to ensure bottom spacing when description doesn't exist.
Added mininum height to experiment header to ensure bottom spacing when description doesn't exist.

seatgeek/sixpack,blackskad/sixpack,nickveenhof/sixpack,vpuzzella/sixpack,llonchj/sixpack,seatgeek/sixpack,blackskad/sixpack,seatgeek/sixpack,nickveenhof/sixpack,blackskad/sixpack,nickveenhof/sixpack,vpuzzella/sixpack,smokymountains/sixpack,blackskad/sixpack,spjwebster/sixpack,spjwebster/sixpack,spjwebster/sixpack,vpuzzella/sixpack,smokymountains/sixpack,vpuzzella/sixpack,llonchj/sixpack,smokymountains/sixpack,seatgeek/sixpack,llonchj/sixpack,llonchj/sixpack