gistfile1.css

#bg {
    position: fixed;
    height: 100%;
    width: 100%;
    z-index: 0;
}

#bg-overlay {
    background: transparent url(images/overlay.png) 0 0 repeat;
    position: relative;
    z-index: 1;
}

#bg {
	background-image: url(http://demo.themezilla.com/volumes/files/2012/04/bg-brown.jpg);
	background-position: center center;
	background-attachment: fixed;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='.http://demo.themezilla.com/volumes/files/2012/04/bg-brown.jpg', sizingMethod='scale');
	-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://turbo.themezilla.com/volumes/files/2012/04/bg-brown.jpg', sizingMethod='scale')";
	background-color: #;
}