Resolve white background on magiclink login screen

[JeffLowe]

as started in #1446 we are resolving an issue with jarring white backgrounds on login screens. The first part of the solution was resolved with that pr. We found the magiclink page woudl be achievable, but take a bit more time, so ticketing separately.

[drewdelano]

I think we can fix this one:

I also noticed this one:

Which I don't think we can fix, but there might be some configuration settings on the magic link side

[drewdelano]

Looking around a little more in the settings for magic link and I think this is an option you can configure without code:

[olizilla]

OK

• updated the logo
• set dark theme
• set primary color to #7E81FF

[olizilla]

hold up, this was not on the prod account. Waiting halp to get access.

[olizilla]

Ok this is done for realz now.

[JeffLowe]

Thank you @olizilla !