// Outputs line-height
@mixin u-line-height($value…) {
$value: unpack($value); $important: null; @if has-important($value) { $value: remove($value, "!important"); $important: " !important"; } $family: nth($value, 1); $scale: nth($value, 2); line-height: lh($family, $scale) #{$important};
}