Foundation 6 heading classes

heading-classes.scss

// Heading styles
@each $size, $headers in $header-styles {
  @include breakpoint($size) {
    @each $header, $header-defs in $headers {
      $font-size-temp: 1rem;
      .#{$header} {

        @if map-has-key($header-defs, font-size) {
          $font-size-temp: rem-calc(map-get($header-defs, font-size));
          font-size: $font-size-temp;
        } @else if map-has-key($header-defs, fs) {
          $font-size-temp: rem-calc(map-get($header-defs, fs));
          font-size: $font-size-temp;
        } @else if $size == $-zf-zero-breakpoint {
          font-size: $font-size-temp;
        }
        @if map-has-key($header-defs, line-height) {
          line-height: unitless-calc(map-get($header-defs, line-height), $font-size-temp);
        } @else if map-has-key($header-defs, lh) {
          line-height: unitless-calc(map-get($header-defs, lh), $font-size-temp);
        } @else if $size == $-zf-zero-breakpoint {
          line-height: unitless-calc($header-lineheight, $font-size-temp);
        }

        @if map-has-key($header-defs, margin-top) {
          margin-top: rem-calc(map-get($header-defs, margin-top));
        } @else if map-has-key($header-defs, mt) {
          margin-top: rem-calc(map-get($header-defs, mt));
        } @else if $size == $-zf-zero-breakpoint {
          margin-top: 0;
        }
        @if map-has-key($header-defs, margin-bottom) {
          margin-bottom: rem-calc(map-get($header-defs, margin-bottom));
        } @else if map-has-key($header-defs, mb) {
          margin-bottom: rem-calc(map-get($header-defs, mb));
        } @else if $size == $-zf-zero-breakpoint {
          margin-bottom: rem-calc($header-margin-bottom);
        }
      }
    }
  }
}