css: fix bootstrap regression: don't uppcase headings
css: fix bootstrap regression: don't uppcase headings

liqd/adhocracy,alkadis/vcv,SysTheron/adhocracy,phihag/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,phihag/adhocracy,liqd/adhocracy,SysTheron/adhocracy,alkadis/vcv,alkadis/vcv,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,SysTheron/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy,phihag/adhocracy,phihag/adhocracy,liqd/adhocracy,phihag/adhocracy