To add service click on Custom Post Type Services > Add New Item and fill all content about service. All service have information like: title, service icon, service URL, more button text etc.
Service Section Settings:
- Service Settings ( Enable/Disable, No of Service Show )
- Section Header ( Service Section Title, Subtitle, Title Color, Subtitle Color )
- Section Background ( Section Background Color, Section Background Image )
Navigation link: Appearance > Customizer > Service Section > Service Settings