message: feat: update heading to use relative line heights
diff: @@ -14,19 +14,19 @@ const sizes = {
  },
  "2xl": {
  fontSize: ["4xl", null, "5xl"],
  - lineHeight: ["2.5rem", null, "1"],
  + lineHeight: [1.2, null, 1],
  },
  xl: {
  fontSize: ["3xl", null, "4xl"],
  - lineHeight: ["2.25rem", null, "2.5rem"],
  + lineHeight: [1.33, null, 1.2],
  },
  lg: {
  fontSize: ["2xl", null, "3xl"],
  - lineHeight: ["2rem", null, "2.25rem"],
  + lineHeight: [1.33, null, 1.2],
  },
  - md: { fontSize: "xl", lineHeight: "1.75rem" },
  - sm: { fontSize: "md", lineHeight: "1.5rem" },
  - xs: { fontSize: "sm", lineHeight: "1.25rem" },
  + md: { fontSize: "xl", lineHeight: 1.2 },
  + sm: { fontSize: "md", lineHeight: 1.2 },
  + xs: { fontSize: "sm", lineHeight: 1.2 },
  }
  const defaultProps = {
  