Divi is one of the templates in Global2. It allows you to achieve the look and feel of a contemporary website. It is contained as an option in Global2. (No need to pay etc.) Just choose it as your template.
Within Global2 it comes with some templates that allow you to set the structure and design that yo are after.
Here is the link to the original developers of Divi to explain how it works and where to go to for help.
Hee are 2 different sites that have used Divi and the Divi -builder in Global2. This is an important skill set for senior students to utilize and it allows them to work with the tools of professional Web Designers.