Hi!
I am a professional designer, UI/UX expert and best fit for your project "I have a wordpress website which is using wordpress ultimate membership pro plugin. I need to set up the payment for the website using paypal and stripe. Stripe has been set up, but the card details box is not clear. " according to your requirements. I am an expert in Photoshop, Photoshop Design, Graphic Design, Adobe InDesign, and Illustrator, and have completed many design projects in the past.
Please find my relevant work on the link below.
https://www.freelancer.com/u/ishawafi
I will create 2-3 unique design concepts for approval and will work until your satisfaction with unlimited revisions.
Please open up the chatbox to discuss this further.
Best Regards,
Isha M.