@radix-ui/themes/src/components/strong.css

[](https://radix-ui.com/themes)

.rt-Strong {
  font-family: var(--strong-font-family);
  font-size: calc(var(--strong-font-size-adjust) * 1em);
  font-style: var(--strong-font-style);
  font-weight: var(--strong-font-weight);
  letter-spacing: calc(var(--strong-letter-spacing) + var(--letter-spacing, var(--default-letter-spacing)));

  & :where(&) {
    font-size: inherit;
  }
}