.key {
  display: inline-block;
  border-radius: 0.25rem;
  padding-inline: 0.25rem;
  /* "Disabmiguation" */
  font-feature-settings: 'ss02' on;
  background-color: var(--ifm-color-primary-contrast-background);
}

[data-theme='dark'] .key {
  background-color: var(--ifm-color-secondary-contrast-background);
}