openlayers: Improved zoom control styling
openlayers: Improved zoom control styling

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