What was the 1957 Chevy bel air?

It was a car that grew into a widely successful brand name and continued through the years. It was one of most widely bought vehicles in the U.S. in the 50's and had some different specs and varieties. There was a convertible type and a standard type. It was also the first type of vehicle to use power seats and Windows. If you want some pictures or some more elongated info go to wikipedia or google it.