To enable the Divi MadMenu Cart element open the module settings modal and go to Content -> Elements and click the Enable Cart.
When the Cart element is enabled its Content, Design and Advanced settings all become visible.
1. Content Settings
The Cart element's Content settings are located in the Content -> Cart settings section
The content settings allow to use either a font icon or custom image icon.
If the Icon option is selected for the Cart Icon/Image setting then Divi's default cart icon is used
Whereas selecting the Image option allows uploading different custom image icon(s) both for the Normal and Fixed headers(if the Use Fixed Header Cart Image setting is enabled) as well as for each device(Desktop, Tablet and Phone)
2. Design Settings
The Design settings of the Cart element can be found under the Design tab of the module settings.
The Cart Order setting allows to set the Cart element order relative to other header elements, it is located under the Design -> Layout:General toggle. The element order value can be different for each device.
To align the Cart icon vertically and horizontally and to set its column width use the layout settings located under the Design -> Layout:Elements toggle C tab
The design options set of the Cart element includes colors, spacing, borders, box shadow and sizing options and can be found in the Design -> Cart and Design -> Cart (Fixed) sections.
3. Advanced Settings
To control the responsive visibility of the Cart element use the Show Cart settings in the Advanced -> Visibility section.