https://github.com/carbon-design-system/carbon-web-components#basic-usage
Thought Rollup gives following Babel error:
Error: Could not load /Volumes/htdocs/egw-test/node_modules/carbon-web-components/es/components/dropdown/@babel/runtime/helpers/esm/decorate.js (imported by node_modules/carbon-web-components/es/components/dropdown/dropdown-item.js): ENOENT: no such file or directory, open '/Volumes/htdocs/egw-test/node_modules/carbon-web-components/es/components/dropdown/@babel/runtime/helpers/esm/decorate.js'
