@vaadin/vaadin-lumo-styles/src/props/typography.css

Lumo is a design system foundation for modern web applications, used by Vaadin components

/**
 * @license
 * Copyright (c) 2017 - 2026 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
:where(:root),
:where(:host) {
  /* prettier-ignore */
  --lumo-font-family: -apple-system, BlinkMacSystemFont, 'Roboto', 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  --vaadin-icon-baseline-font-family: var(--lumo-font-family);

  /* Font sizes */
  --lumo-font-size-xxs: 0.75rem;
  --lumo-font-size-xs: 0.8125rem;
  --lumo-font-size-s: 0.875rem;
  --lumo-font-size-m: 1rem;
  --lumo-font-size-l: 1.125rem;
  --lumo-font-size-xl: 1.375rem;
  --lumo-font-size-xxl: 1.75rem;
  --lumo-font-size-xxxl: 2.5rem;

  /* Line heights */
  --lumo-line-height-xs: 1.25;
  --lumo-line-height-s: 1.375;
  --lumo-line-height-m: 1.625;
}