A cultures morals change over time. Some issues that had been considered immoral in the past are now publicly accepted, and even praised.

For example, it was once considered immoral to stick your dick up another dudes asshole, but in modern society these activities are accepted, and even encouraged in some cases. On an unrelated note, is a love of others or self sacrifice still considered moral concepts?

Do morals still play a part in society? What is immoral nowadays, anyway? What morals do you believe in?

That annoying voice in your head. Thats Morales.

it was once considered immoral to stick your dick up another dudes asshole, but in modern society these activities are accepted

Morals come from the context that you view life and what we view as right and wrong. A lot of cultures will incorporate new ideas or discoveries into their concept of life, which brings shifting moral values.