Is your feature request related to a problem? Please describe.
It's frustrating to have any DOM nodes that don't allow styling, especially when they're provided by Theme UI.

Describe the solution you'd like
To be consistent with #1350, let's support sx on the BaseStyles component.

Additional context
https://github.com/system-ui/theme-ui/blob/develop/packages/theme-ui/src/i

Describe the bug

GitHub provides a few options when configuring a new repo like: license, .gitignore file, a README.md, and the Rennovate plugin. If you want to install any of these by default, which I usually do, then you get an error about the remote having newer content.

To Reproduce
Steps to reproduce the behavior:

1. Create a repo with a readme during the script
2. See the er

Would it be possible to include excerpts from markdown files in the ‘Referred in’ section?

Currently, if the mention comes from notes originating from Roam, the parent block with the page mention is shown as a bullet point unter the page title.
But for local markdown files, only the page title is given.

<img width="592" alt="Screenshot 2020-06-19 at 17 50 49" src="https://user-images.github