wagtail/client/scss/components/_link.legacy.scss

// makes a link look like regular text
.nolink {
  color: theme('colors.text-context');

  &:hover {
    color: theme('colors.text-link-hover');
  }

  @media (forced-colors: active) {
    color: GrayText;
  }
}

a.underlined {
  border-bottom: 1px solid currentColor;
}