Fix css path in config.rb
Fix css path in config.rb

dieface/offline,viljami/offline,marcomatteocci/offline,sombr/offline,hadifarnoud/offline,Thunderforge/offline,matghaleb/offline,sanbiv/offline,saada/offline,micha/offline,sombr/offline,MartinReidy/offline,sojimaxi/offline,Climax777/offline,barryvdh/offline,zartata/offline,HubSpot/offline,saada/offline,sanbiv/offline,mcanthony/offline,mcanthony/offline,hadifarnoud/offline,Climax777/offline,HubSpot/offline,marcomatteocci/offline,umutc1/offline,sojimaxi/offline,MartinReidy/offline,Thunderforge/offline,zartata/offline,micha/offline,matghaleb/offline,viljami/offline,dieface/offline