How do I both center and fix image to background in CSS?

I’d like the image to transfer with this scroll bar but additionally be based.Any help will be appreciated.Thank you.

I think this is what youre seeking:

body

background-image:url(‘img.png’);
background-attachment:permanent;
background-repeat:no-repeat;
background-position:middle;

In any other case, check these:)

http://www.w3schools.com/css/css_background.asp

instead regarding scrolling that background you have a set background as well as let this text along with content scroll in place or straight down.Here will be CSS

#Background

background-image:url(‘smiley.gif’);
background-repeat:no-repeat;
background-attachment:permanent;