Can you help me integrate PayPal and google calendar to my form? Also add colors and logos.

Please refer to the guide below that can help you with integrating PayPal standard.

https://www.jotform.com/help/391-How-to-Integrate-Form-with-Paypal-Standard-

The steps to integrate Google Calendar to your form is available in the blog post below:

https://www.jotform.com/blog/google-calendar-integration/

You may change the colors and logos as per your requirement from the Form Designer in the form build/edit mode.

Please give it a try and let us know if you need any further assistance. We will be happy to help.