Theme Customizer

Openness uses the convenient WordPress Customizer so that customizing this theme and your website is very easy to configure. The Customizer is a framework for live-previewing any change to WordPress. It provides a simple and consistent interface for users to customize various aspects of their theme and their site, from colors and layouts to widgets, menus, and more.

Just check out the screenshot that lets you take a quick glimpse into the customizer: