message: add widths to Library columns
diff: @@ -19,8 +19,8 @@ const Library = withRouter(props => {
  return (
  <FlexContainer {...rest}>
  - <SideNav basename={basename} title={title} examples={examples} mr={4} />
  - <Box>
  + <SideNav basename={basename} title={title} examples={examples} width={1 / 8} />
  + <Box width={7 / 8} ml={4}>
  <Route
  exact
  path={basename}
  