this is starting to become a big problem with all the codepen examples:
Access to script at 'https://codepen.io/source/modules/smart.grid.js' (redirected from 'https://cdpn.io/source/modules/smart.grid.js') from origin 'https://cdpn.io' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.