:root {
  --line-height: 1.5;
  --font-family:
    system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

html {
  font-size: 100%;
  font-family: var(--font-family);
  line-height: var(--line-height);
}