inject stylus to shadowRoot
< Feedback on Inject stylus in Shadow DOM
The element with the id you said does not have a shadowDOM, at least I only found this one, maybe you tried it with :host, or something simulating it, the script is not necessary, i'm not using userscript below:
Ops but now I can style inside shadow DOM without a userscript...
Do nothing.
Firefox 128.
https://www.evernote.com/client/web
Try #en-note
I changed @match.