message: fix button focus border
diff: @@ -18,7 +18,7 @@ const Button = styled(ButtonBase)`
  // focus must come before :active so that the active box shadow overrides
  &:focus {
  - border-color: transparent;
  + border-color: rgba(27, 31, 35, 0.15);
  box-shadow: ${get('buttons.default.shadow.focus')};
  }
  