message: more docs style fixes
diff: @@ -142,11 +142,11 @@ const styles = theme => ({
  boxShadow: 'unset',
  },
  appToolbar: {
  - backgroundColor: theme.palette.primary[500],
  + backgroundColor: theme.palette.primary.main,
  display: 'flex',
  flexDirection: 'column',
  alignItems: 'center',
  - color: 'white',
  + color: theme.palette.common.white,
  padding: '40px 20px',
  '@media (max-width: 600px)': {
  paddingTop: '100px',
  @@ -159,7 +159,6 @@ const styles = theme => ({
  main: {
  backgroundColor: theme.palette.background.default,
  marginBottom: -50,
  - color: theme.palette.common.white,
  },
  content: {
  paddingTop: '80px',
  