As per you document CIM_XML_guide.pdf page no: 107,

Designing Your Web Page

In three ways we are using first way of Authorize.Net Payment Gateway i.e., direct the customer to Authorize.Net to manage payments and shipping all on one page.

Here we are able to see your sample page as you show in document.

My Questions:

1. Can we add my web site logo header and footer?

2. Can we change the back ground color?

3.  In Add a New Payment Method Can we hide the Bank Account (USA only)  radio button?  

Please do need full.