/* Force the header logo to pure white over the indigo header,
   regardless of the SVG's own colour. The same SVG renders in its
   native colour everywhere else (README hero, favicon). */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  filter: brightness(0) invert(1);
}

/* Slightly tighten the mark so it sits closer to the wordmark in the
   header strip. */
.md-header__button.md-logo {
  padding: 0.4rem;
}