Different theme messed up

Okay so I wanted to give the user to choose between multiple themes so I used this -
-theme-picker#910437

But, the new theme I've added is messed up and all over the place, I'm not sure why. I'm making sure to use the theme supported for my forum version (ModernBB). I'm not sure what am I doing wrong.

Also, is it possible that I can use my default theme, and just make it darker by changing the background colors etc.
Ritzy2K
Ritzy2K
Forumember

Posts : 27
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please do not open multiple same threads it is not allowed
here is the original thread about the same issue https://help.forumotion.com/t157625-different-theme-messed-up
your forum url says your forum doesnt exist

also are you the same person with Ritzy2K ? if yes multiple accounts are also forbidden
please inform me by pm which account you want to use , the other will be deleted
if i will not receive any answer this second account josephmartin will be deleted in 2 days

this thread is locked please use your original thread