Changed type  definition of Box
-import React from 'react';
-
import {
space,
width,
@@ -36,7 +34,7 @@ type BoxProps = SpaceProps &
DisplayProps &
AlignItemsProps;
-export const Box: React.SFC<BoxProps> = styled('div')`
+export const Box = styled<BoxProps, 'div'>('div')`
${space}
${width}
${fontSize}
