$typo-family-sans: BlinkMacSystemFont, -apple-system, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu',
  'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
$typo-family-mono: monospace;
$typo-size-000: 16px;
$typo-size-100: 3.5rem;
$typo-size-200: 1.8rem;
$typo-size-300: 1.3rem;
$typo-size-400: 1.2rem;
$typo-size-450: 1.125rem;
$typo-size-500: 1rem;
$typo-size-600: 0.875rem;
$typo-size-700: 0.8125rem;
$typo-size-800: 0.75rem;
$typo-weight-light: 300;
$typo-weight-normal: 400;
$typo-weight-medium: 500;
$typo-weight-semibold: 600;
$typo-weight-bold: 700;
$typo-lead-000: 0;
$typo-lead-050: 1;
$typo-lead-100: 1.2;
$typo-lead-200: 1.25;
$typo-lead-300: 1.28;
$typo-lead-500: 1.33;
$typo-lead-600: 1.4;
$typo-lead-700: 1.5;
$typo-lead-800: 1.7;