Image Sprite Mixins

image-sprite-mixins

@mixin sprite-bg-size( $divisor: 2 ) {
	$width: 240px;
	$height: 360px;
	
	$new-width: $width / $divisor;
	$new-height: $height / $divisor;
	
	background-size: round($new-width) round($new-height);
}

@mixin sprite-bg-position( $left, $top, $divisor: 2 ) {	
	$new-left: $left / $divisor;
	$new-top: $top / $divisor;
	
	background-position: round($new-left) round($new-top);
}