[Bug] Dark Reader fails to recognize some mdBook websites as dark

[LoganDark]

Bug Report

Website Address

https://slightknack.github.io/rust-abi-wiki/intro/intro.html

Bug Description

Dark Reader fails to recognize some mdBook websites as dark

Steps To Reproduce

1. visit the linked website

Expected Behavior

recognized as dark

Actual Behavior

not recognized as dark

Screenshots

Here is the website normally, AKA dark:

Here is Dark Reader's disgusting rendition (eww what are those borders):

No dark theme detected on page:

System Information

• OS: Windows 10 Home 2004 build 19041.572 (64-bit)
• Browser: Firefox Developer Edition 101.0b9 (64-bit)
• Dark Reader Version: 4.9.51

Additional Context

I still don't appreciate having to fluff up and over-structure my issue when it could be explained in just 24 words and two screenshots.

[Gusted]

Moved to #9016

I still don't appreciate having to fluff up and over-structure my issue when it could be explained in just 24 words and two screenshots.

Please blame those that cannot properly organize a issue and give you zero actionable data (which just becomes annoying over time). Having a template helps with that and actually let people report issues in a actionable way.