Update graph icons style.
Update graph icons style.

yonglehou/facette,vovkasm/facette,yonglehou/facette,facette/facette,githubert/facette,iaean/facette,iaean/facette,Skrupellos/facette,psytra/facette,hirocaster/facette,vovkasm/facette,Skrupellos/facette,vovkasm/facette,facette/facette,yonglehou/facette,githubert/facette,githubert/facette,Skrupellos/facette,hirocaster/facette,iaean/facette,facette/facette,hirocaster/facette,psytra/facette,psytra/facette,facette/facette