youtube: unstyled modal

[trinkey]

Is there an existing issue outlining your problem?

• [X] I am using the latest version of the provided userstyle.
• [X] I have searched the existing issues and they do not solve my problem.

What userstyles are you seeing the problem on?

lbl:youtube

Describe your problem.

the "Ad blockers violate YouTube's terms of service" modal is partially unstyled

Attach screenshots.

What browser(s) are you seeing the problem on?

firefox latest

Any additional comments?

No response

[WalkQuackBack]

If this is still occurring, can you provide steps on how to reproduce the dialog shown here?