Compass - Subjectively Better Sprite Mixin

gistfile1.sass

$icons: sprite-map("icons/*.png");
$icons-background: sprite-url($icons) no-repeat transparent;

@mixin icons-image-replacement($sprite) {

	background: $icons-background;
	background-position: sprite-position($icons, $sprite);
	border: 0;
	color: transparent;
	display: block;
	font: 0/0 a;
	height: image-height(sprite-file($icons, $sprite));
	text-shadow: none;
	width: image-width(sprite-file($icons, $sprite));
}