message: add padding to main container
diff: @@ -3,7 +3,7 @@ import App, {Container} from 'next/app'
  import {Layout} from 'mdx-docs'
  import Octicon, {iconsByName} from '@githubprimer/octicons-react'
  import * as primerComponents from '../src'
  -import {FlexContainer} from '../src'
  +import {FlexContainer, Box} from '../src'
  import * as docComponents from './doc-components'
  import SideNav from './doc-components/SideNav'
  import Header from './doc-components/Header'
  @@ -35,7 +35,7 @@ export default class MyApp extends App {
  <Header/>
  <FlexContainer>
  <SideNav/>
  - <Component {...page} />
  + <Box p={6}><Component {...page} /></Box>
  </FlexContainer>
  </Layout>
  </Container>
  