message: Fix not displaying "npm package" link with text-decoration
diff: @@ -13,7 +13,7 @@ npm i -s moment`;
  const Installation = () => (
  <div>
  <Typography variant="display2" gutterBottom> Installation </Typography>
  - <Typography variant="body1" gutterBottom> Available as <a href="https://www.npmjs.com/package/material-ui-pickers"> npm package </a> </Typography>
  + <Typography variant="body1" gutterBottom> Available as <a className="link" href="https://www.npmjs.com/package/material-ui-pickers"> npm package </a> </Typography>
  <Code withMargin text="npm i -s material-ui-pickers" />
  