SDK & Browser Popup Design

Description: We're finishing the visual design for a payment authentication popup experience (SDK login flow, similar in spirit to Google Pay's auth popups), and need a designer to take partially-completed... (Budget: $10 - $30 USD, Jobs: Adobe Illustrator, Figma, Graphic Design, JavaScript, Payment Processing, UI / User Interface, User Interface / IA, Web Design, Web Development, Website Design)