message: tweak Octicon margin
diff: @@ -9,7 +9,7 @@ const releaseURL = `https://github.com/${repository}/releases/v${version}`
  const Header = () =>
  <FlexContainer mr={1} p={3} alignItems="center" justifyContent="space-between" bg="black" color="white">
  <FlexContainer alignItems="center">
  - <Octicon size="medium" icon={MarkGithub} className="mr-2" />
  + <Octicon size="medium" icon={MarkGithub} className="mr-3" />
  <Text>Primer-react</Text>
  </FlexContainer>
  <div>
  