:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  /* Reading measure. The COLUMN is the measure — do not also cap prose
     inside it, or you get a dead gutter on wide screens. */
  --measure-column: 1000px;
  --measure-shell:  1330px;
  --sidebar-width:  252px;
}