message: [docs] Fix color of lib version
diff: import React from 'react';
  import Link from 'next/link';
  import NavigationMenu from './NavigationMenu';
  -import { createStyles } from '@material-ui/styles';
  import { version } from 'material-ui-pickers/package.json';
  -import { Divider, Toolbar, Typography, withStyles, Theme, WithStyles } from '@material-ui/core';
  +import { Divider, Toolbar, Typography, Theme } from '@material-ui/core';
  +import { createStyles, withStyles, WithStyles } from '@material-ui/styles';
  +
  +const styles = (theme: Theme) =>
  + createStyles({
  + drawerRoot: {
  + width: 250,
  + },
  + drawerToolbar: {
  + display: 'flex',
  + flexDirection: 'column',
  + justifyContent: 'center',
  + alignItems: 'flex-start',
  + },
  + headerLink: {
  + cursor: 'pointer',
  + textDecoration: 'none',
  + transition: 'color .2s ease-in-out',
  + '&:hover': {
  + color: theme.palette.primary.dark,
  + textDecoration: 'underline',
  + },
  + },
  + });
  const DrawerMenu: React.SFC<WithStyles<typeof styles>> = ({ classes }) => (
  <div className={classes.drawerRoot}>
  @@ -20,7 +42,7 @@ const DrawerMenu: React.SFC<WithStyles<typeof styles>> = ({ classes }) => (
  style={{ textDecoration: 'none' }}
  href="https://github.com/dmtrKovalenko/material-ui-pickers/releases"
  >
  - <Typography variant="caption" className={classes.headerLink}>
  + <Typography variant="caption" color="textPrimary" className={classes.headerLink}>
  {version}
  </Typography>
  </a>
  @@ -31,26 +53,4 @@ const DrawerMenu: React.SFC<WithStyles<typeof styles>> = ({ classes }) => (
  </div>
  );
  -const styles = (theme: Theme) =>
  - createStyles({
  - drawerRoot: {
  - width: 250,
  - },
  - drawerToolbar: {
  - display: 'flex',
  - flexDirection: 'column',
  - justifyContent: 'center',
  - alignItems: 'flex-start',
  - },
  - headerLink: {
  - cursor: 'pointer',
  - textDecoration: 'none',
  - transition: 'color .2s ease-in-out',
  - '&:hover': {
  - color: theme.palette.primary.dark,
  - textDecoration: 'underline',
  - },
  - },
  - });
  -
  export default withStyles(styles)(DrawerMenu);
  