I activated my child theme but it removed the navigation menu and more formating. Site is izsummitpartners.org
I have deactivated it and returned to travelify parent theme.
This is what I entered in the stylesheet in the child theme folder:
Theme Name: travelify-child
Theme URI: http://colorbib.com/wp/travelify
Description: Child theme for the travelify theme
Author URI: http://colorbib.com/wp/
Thanks for your help!