Coupon Codes and Checkout

Hello,

I have two questions regarding the coupon codes in the Pro-sites.

1. I need to put a border color for apply coupon section. Can you please let me know which CSS snippet I should add into the Global CSS in Upfront?
2. I want the users to skip payment section when a coupon code is applied. Any way of doing this. Once the coupon code applied I just need the user to enter the registration details and skip the payment process.

Best Regards
Serkan