@primer/primitives/dist/css/base/size/z-index.css

Typography, spacing, and color primitives for Primer design system

:root {
  --base-zIndex-0: 0;
  --base-zIndex-100: 100;
  --base-zIndex-200: 200;
  --base-zIndex-300: 300;
  --base-zIndex-400: 400;
  --base-zIndex-500: 500;
  --base-zIndex-600: 600;
}