Theme File: editor-style.css

Name: editor-style.css

Path: devdmbootstrap4/assets/css/devdmbootstrap/editor-style.css

Source: https://github.com/dannymachal/devdmbootstrap4/blob/master/assets/css/devdmbootstrap/editor-style.css

This file is loaded in the functions.php file and it is a basic example of how to add some custom styles into the WordPress editor. Future child-themes will take advantage of this file. The parent them devdmbootstrap4 version of this file is blank.