[Bug] Stylebot doesn't work on shadow dom

[JonasNo]

Browser

Chrome Version 92.0.4515.107 (Official Build) (64-bit) Windows 7 x64

To Reproduce

Steps to reproduce the behavior:

• Go to https://bugs.chromium.org/p/chromium/issues/list
• Try css: table tr:hover { background-color: #C6D7E1; }

Expected behavior

The css should work.