A simple webpage built with Bootstrap 5 that allows the user to sign up with payment information and then make a PayPal payment directly from the page. Key features: Subscribe to the post * Buyer's name * Email address * Payment amount * Choose a different deposit amount in 25 currencies. Beautifully designed using the Bootstrap framework, with a preferred blue background color for instant search. Integration with the PayPal SDK for a payment button that dynamically reacts to the contributed value (numeric amount). Data validation before starting the payment process, such as entering a valid name and email and universities greater than zero. Instant notifications to the user when the payment is successful or an error occurs during the process. Easily test the system using the PayPal Sandbox environment (`client-id=sb`). This page is useful for any website that needs a simple method for PayPal payments.