title: How to align a button in the center according to screensize?
body: <p>Is there a way to align a button (or any other object) in the center of the screen (this should work for any size of computer screen)?
  I'm doing a project and tried wrapping the button into a div and setting text-align: center, but the button is still off center and I was wondering if there's another way to do that?
  Thank you very much in advance.</p>