html, body {height:100%; margin:0; padding:0;} /* Set the position and dimensions of the background image. */ #page-background {position:fixed; top:0; left:0; width:100%; height:100%;} /* Specify the position and layering for the content that needs to appear in front of the background image. Must have a higher z-index value than the background image. Also add some padding to compensate for removing the margin from the 'html' and 'body' tags. */ #content {position:relative; z-index:1; padding:8px;}