suppongo che ora devo correggere questo:
Line : 1 font-family: You are encouraged to offer a generic family as a last alternative
Line : 6 font-family: You are encouraged to offer a generic family as a last alternative
Line : 7 font-family: You are encouraged to offer a generic family as a last alternative
Line : 8 font-family: You are encouraged to offer a generic family as a last alternative
Line : 9 font-family: You are encouraged to offer a generic family as a last alternative

provo a farlo da solo e poi ti faccio sapere credo di aver capito