$utilities: map-merge(
  $utilities,
  (
    "border": (
      property: border-width,
      class: border,
      variants: border-width,
      values: $border-width-config,
    ),
    "border-top": (
      property: border-top-width,
      class: border-t,
      variants: border-width,
      values: $border-width-config,
    ),
    "border-bottom": (
      property: border-bottom-width,
      class: border-b,
      variants: border-width,
      values: $border-width-config,
    ),
    "border-left": (
      property: border-left-width,
      class: border-l,
      variants: border-width,
      values: $border-width-config,
    ),
    "border-right": (
      property: border-right-width,
      class: border-r,
      variants: border-width,
      values: $border-width-config,
    ),
  )
);