nongio-zz · October 6, 2015 10:19
diff --git a/z_index.scss b/z_index.scss
 $z-index: (
  modal              : 200,
  navigation         : 100,
  footer             : 90
 );

 @mixin z-index($key, $level: 0) {
  z-index: map-get($z-index, $key) + $level;
 }
	$z-index: (
	modal : 200,
	navigation : 100,
	footer : 90
	);

	@mixin z-index($key, $level: 0) {
	z-index: map-get($z-index, $key) + $level;
	}