paper/css: make .inactive for buttons more inactive
paper/css: make .inactive for buttons more inactive

Remove boxshadow from small buttons when wrapped in .inactive
Targeted at the diff switcher in the paper view.

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