make clearfix available as a class so we can extend it
make clearfix available as a class so we can extend it

w01fgang/elemental,VictorBjelkholm/elemental,beni55/elemental,MunGell/elemental,bradparks/elemental,bs1180/elemental,CallMeFabioo/elemental,MunGell/elemental,teaualune/elemental,zackify/elemental,Filsh/elemental-themeable,w01fgang/elemental,kidaa/elemental,CallMeFabioo/elemental,elementalui/elemental,dmsnell/elemental,pairyo/elemental,Filsh/elemental-themeable,bradparks/elemental,hnq90/elemental,LegNeato/elemental,jerrysdesign/elemental,elementalui/elemental,kof/elemental,jerrysdesign/elemental,khacluan/elemental,pairyo/elemental,hnq90/elemental,zackify/elemental,MunGell/elemental,zhiephie/elemental,khacluan/elemental,shaunstanislaus/elemental,LennyBoyatzis/elemental,xaadim/elemental,elementalui/elemental,LegNeato/elemental,teaualune/elemental,kof/elemental,averted/elemental,dmsnell/elemental,VictorBjelkholm/elemental,beni55/elemental,shaunstanislaus/elemental,zhiephie/elemental,bs1180/elemental,LennyBoyatzis/elemental,apisandipas/elemental,averted/elemental,apisandipas/elemental,xaadim/elemental,kidaa/elemental,w01fgang/elemental