There is a dark mode. Just go to your username in the top right, choose settings, then halfway down is “theme”. I chose “darkly” and it looks good to me.

Edit: And I just realized I’m posting on not my main server. Beehaw may be different.

I’m really confused by the chart on the site https://blackout.photon-reddit.com/ I understand the dip annotated with the red arrow, but I do not understand the rebound annotated with the green arrow… With that many sites down, it should not be possible to rebound to normal levels…