Pop-out/embedding Twitch chat in dark mode?

[dumbdumb]

Twitch

no longer works
the current popout url is:

Twitch

but i cant embbed the chat nor force darkmode with this url, it doesnt work.

so im using

Twitch Error

but i dont know how to force dark mode with that url

[matt_thomas]

Twitch Error

[dumbdumb]

thanks!