We created content switch section using the Divi Blurb Module.
You can change the First Blurb content and Two Blurb content like Button on the visual builder.

To change the second content text please go to the Divi wireframe view ( bottom left side of the Divi visual builder ). You will find the Content Switch Row.
Please change the second content text from wireframe view.

Active button background color is a site primary color. which you can change by clicking the Theme customizer->Divipro settings->color->primary color.
Advanced option
There are 2 clickable button and 2 content item. All Button has different class name
- First Button has two class ( dizo-active-button, dizo_active )
- Second Button has ( dizo-inactive-button )
- First Content has ( dizo-active-content )
- Second Content has (dizo-inactive-content)
Content switch settings:

Content switch css class
Active button background color is a site primary color. which you can change by clicking the Theme customizer->Divipro settings->color->primary color.