Based on the latest version of Bootstrap 4, the number on CSS grid framework for responsive websites
Core is a child theme for the free and open source WordPress theme framework UnderStrap.
Comes with Font Awesome 4.7+ font icon kit as dependency. A huge and free set with over 600 icons.
Uses the WordPress best-practices to keep theme text´s translatable.
Utilizes the SASS sources from all assets as well as own SASS files. Makes it easy to replace colors, fonts, stylings etc.
Core comes with Gulp as task runner and npm as dependency manager for an easy to manage workflow.
Core is a child theme for UnderStrap. Download the latest UnderStrap version here for free.