@mixin spacing() {
  /* Borders */
  --neo-border-width: 1px;
  --neo-border-width-md: 2px;
  --neo-border-width-lg: 4px;
  --neo-border-radius-xs: 0.25rem;
  --neo-border-radius-sm: 0.375rem;
  --neo-border-radius: 0.5rem;
  --neo-border-radius-md: 0.75rem;
  --neo-border-radius-lg: 1rem;
  --neo-border-radius-xl: 1.5rem;
  --neo-border-radius-xxl: 2rem;
  --neo-border-radius-3xl: 3rem;

  /* Outline */
  --neo-outline-offset-width: -1px;

  /* Gap */
  --neo-gap-5xs: 0.125rem;
  --neo-gap-4xs: 0.25rem;
  --neo-gap-3xs: 0.3125rem;
  --neo-gap-xxs: 0.5rem;
  --neo-gap-xs: 0.625rem;
  --neo-gap-sm: 0.75rem;
  --neo-gap: 1rem;
  --neo-gap-md: 1.25rem;
  --neo-gap-lg: 1.5rem;
  --neo-gap-xl: 2rem;
  --neo-gap-xxl: 3rem;

  /* Margin */
  --neo-shadow-margin: 0.625rem;
  --neo-shadow-margin-lg: 1.125rem;
}