message: feat(reakit-system-bootstrap): `MenuDisclosure` should have darker background when expanded
diff: @@ -54,7 +54,8 @@ export function useButtonProps(
  border-color: ${hoverBorderColor};
  background-color: ${hoverBackgroundColor};
  }
  - &:active {
  + &:active,
  + &[aria-expanded="true"] {
  color: ${activeColor};
  border-color: ${activeBorderColor};
  background-color: ${activeBackgroundColor};
  