:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --container-sm: 42rem;
  --container-md: 62rem;
  --container-lg: 75rem;

  /* Reading measure. Restrained density starts with a bounded line length. */
  --measure-prose: 68ch;
  --measure-narrow: 46ch;

  /* Row rhythm for divided lists and tables - the alternative to boxing every item. */
  --row-padding-y: 0.75rem;
  --row-padding-y-tight: 0.5rem;
}