style.css: fix double bracket and minor layout tweak
style.css: fix double bracket and minor layout tweak

fbonzon/graphhopper,routexl/graphhopper,graphhopper/graphhopper,fbonzon/graphhopper,don-philipe/graphhopper,ammagamma/graphhopper,don-philipe/graphhopper,routexl/graphhopper,graphhopper/graphhopper,devemux86/graphhopper,ammagamma/graphhopper,graphhopper/graphhopper,routexl/graphhopper,devemux86/graphhopper,ammagamma/graphhopper,ammagamma/graphhopper,boldtrn/graphhopper,boldtrn/graphhopper,routexl/graphhopper,devemux86/graphhopper,boldtrn/graphhopper,don-philipe/graphhopper,don-philipe/graphhopper,devemux86/graphhopper,graphhopper/graphhopper,fbonzon/graphhopper,boldtrn/graphhopper,fbonzon/graphhopper