Question about Pitbull?

First of all its american pitbull terrier and also it doesnt matter what color its is cuz it will still be a apbt even if its blue red black its going to still be a american pitbull terrier. so now the weight of a pit should be like 30 to 60 pounds a few can get bigger but this is the stadard of the breed and also the pit you probali talking about that are short and bulky probali aint pit at all but a mutt breed called the american bully. hope my info helped