How to make your background image fixed centered

Here is how to make your background image fixed centered.

Style Manager for your style, go to Stylevars, then doc_background

Background Color: Choose the background color that matches the most with your background image.

(This is the location of the image on your server.)
Background Image: url(styles/main/bg/bodybg.jpg) fixed center top
If you don’t add the word “top” after “fixed center” then the image will be pushed up halfway messing up your image

Background Repeat: Whatever you want it to be

Units: Important to leave blank or this wont work!!!

Background Image Horizontal Offset: Important to leave blank or this wont work!!!

Background Image Vertical Offset: Important to leave blank or this wont work!!!