style.css: Made "(planned)" labels smaller
style.css: Made "(planned)" labels smaller

.. to fit longer headlines in translations

skylines-project/skylines,kerel-fs/skylines,TobiasLohner/SkyLines,skylines-project/skylines,snip/skylines,Turbo87/skylines,Harry-R/skylines,shadowoneau/skylines,Turbo87/skylines,shadowoneau/skylines,TobiasLohner/SkyLines,RBE-Avionik/skylines,Turbo87/skylines,snip/skylines,Harry-R/skylines,snip/skylines,kerel-fs/skylines,TobiasLohner/SkyLines,RBE-Avionik/skylines,skylines-project/skylines,Harry-R/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,Turbo87/skylines,shadowoneau/skylines,Harry-R/skylines,skylines-project/skylines,kerel-fs/skylines,shadowoneau/skylines