Styling Stripe pro form button

Hi team,

I’ve had some success changing the dimensions and color of the submit button on my Stripe pro form. However, I can’t figure out how to center the button.

I would also like to make the button background color slightly darker when the cursor hovers over the button.

My signup page url is myfishingcapecod.com/start

I really appreciate any insight and words of wisdom!

Thank you,

Ryan