How to fetch the background of DIV on a bottom layer with exact position using jQuery and CSS

Question

I\'m looking to make a page that has a background gradient that changes color every few seconds and blends between transitions. Now I want to apply this effect on the to the upp

Answer 1

If I was you I'll duplicate the css and jQuery, print it on a div on top of what ever and make the overflow hidden (like masking layers but with z-index).