strapi/packages/strapi-admin/admin/src/themes/sizes.js

const sizes = {
  header: {
    height: '6rem',
  },
  leftMenu: {
    height: '6rem',
    width: '24rem',
  },
  margins: {
    // TODO:
    normal: '10px',
  },
  fontSizes: {
    xs: '11px',
    sm: '12px',
    md: '13px',
    lg: '18px',
  },
  fontWeight: {
    regular: 400,
    semiBold: 500,
    bold: 600,
    black: 900,
  },
};

export default sizes;