There's nothing particularly Christian about morality. It's like saying that Hyundai invented the automobile because your family drives one.
I didn't mean to imply there was. Since I'm not driving that 'Christian' car, it was not my intention. Christianity is just the one religion that most people know a lot about, love it or hate it. (AND I easily concede that you know a 1000 times more about religion than I do)
As for those Ten Commandments, yes, the first four deal with devotion to one God, and while there is nothing specific in any law we do have rules of conduct and decency. We have rules for civil discourse. We have rules that govern correct behavior. We, as a society, loathe the greedy and the selfish; we are disgusted with the immoral conduct of religious and non religious leaders, we find the lazy and slothful to be a drag on society, mindless wrath against each other is punished, those who we judge to be to 'fat' are scorned, the ones full of arrogance and pride make us sick to our stomachs. Now, are all those just natural reactions or or we tuned into the deadly sins of society without being consciously aware of it?
As I said, just thinking about moral codes. Morality is a fluid concept as some societies allow mutilation, cannibalism, incest, ...so if we all arrive at moral codes by our own humanist views, how do we get so many different ones?