A reduced example in Codepen.io would be very helpful.
We really can’t wade through your entire site using Developer tools just to find one line of code that might be the problem.
That said, using
position:absolute to position everything on your page (I’ll leave aside the issues with the actual HTML structure) is not a good idea and it’s quote likely the root of your problems.
Also, there is no footer in your code that I can see.