Beautify your blog or website! How to add the page's background image is not paved, pull the page background does not move.

How to add the page's background image is not paved, pull the page background does not move.
<*STYLE>body{background-image:url(/blog/logo.gif); background-repeat:no-repeat;background-position:center;background-attachment: fixed}<*/STYLE>
Url of the code which is the background image you want to join the address. Note: remove the code in the "*" can be used normally on it!