Apply .dl-horizontal styles only to large screens
Apply .dl-horizontal styles only to large screens

This matches Bootstrap's targeting of screens with minimum width of
768px.
pierlo-upitup/marathon-ui,janisz/marathon-ui,pierlo-upitup/marathon-ui,Kosta-Github/marathon-ui,watonyweng/marathon-ui,Kosta-Github/marathon-ui,yp-engineering/marathon-ui,quamilek/marathon-ui,mesosphere/marathon-ui,janisz/marathon-ui,Raffo/marathon-ui,quamilek/marathon-ui,cribalik/marathon-ui,yp-engineering/marathon-ui,cribalik/marathon-ui,Raffo/marathon-ui,watonyweng/marathon-ui,mesosphere/marathon-ui