How to push the footer to the bottom and leave it in the center?

Question

css

Hello. https://codepen.io/gififi/pen/oEqQJe , how to make the footer come after the container, but be pressed to the bottom and be centered? That is, so that it does not climb onto the container if the page height is less than the min-height of the container? So that later the scroll appears.
To be like this -

or like this - when the height is high

Answer 1

https://codepen.io/anon/pen/ZrxVPX