What are the different ways that people can be racist?

lmao its ok EVERYONE is racist just most people keep it to themselves or just joke about it to friends.I as a black man hate all races equally so noone should feel special :P.........my wife is hawaiin,chinese and irish and we catch alotta **** from being an interacial couple.......oh btw i ****** hated celebrating black history every febuary.....why not just mix it in with the rest i mean its sitll american history right?