The error message indicates better alternatives and added styles.css sample snippet for good visibility. ![Global_error_msg](https://user-images.githubusercontent.com/38159218/85950309-ac3bc100-b979-11ea-9a8d-4a356cb8007c.JPG) ![CSS-Global](https://user-images.githubusercontent.com/38159218/85950319-b2ca3880-b979-11ea-829a-24335fcfc93d.JPG)
Fixes #14464
* Add Links to Global CSS Error * Add Example