Use StyledSystems FlexboxProps type definition (#1002)
Use StyledSystems FlexboxProps type definition (#1002)

Uses the correct prop definitons for the `Flexbox` component. `FlexProps` revers to the `flex` CSS property whereas `FlexboxProps` revers to the whole collection of configurable flexbox CSS properties.
FormidableLabs/spectacle,FormidableLabs/spectacle