Background Full Image - Responsive (CSS)

ResponsiveBackgroundFullImage.css

/* Solution to make a responsive background full image
  courtesy of http://sixrevisions.com/css/responsive-background-image/ */
body {
    /* Location of the image */
	background-image: url("Concierge.jpg");
	
	/* Background image is centered vertically and horizontally at all times */
	background-position: center center;

	/* Background image doesn't tile */
	background-repeat: no-repeat;

	/* Background image is fixed in the viewport so that it doesn't move when 
	   the content's height is greater than the image's height */
	background-attachment: fixed;

	/* This is what makes the background image rescale based
	   on the container's size */
	background-size: cover;

	/* Set a background color that will be displayed
	   while the background image is loading */
	background-color: #464646;
}