Thank you for your comment!
The cosmetic you are wearing isnt the cosmetic that adds to your Coins per second, its the most expensive cosmetic you own in that category that adds to it! so you can make money while looking how you want, I see how we didnt.. explain that anywhere though haha.
Thank you for your kind words!
The page moving stuff is custom CSS that you can apply for using itch support if you wanted to do something similar :D