This module's settings are associated with individual text formats. Navigate to Administration » Configuration » Content authoring » Text formats and editors and click "Configure" for any text format.
CKEditor CodeMirror's settings for the text format are located below the Toolbar configuration section. Click the "CodeMirror" box to access the settings:
Documentation of the CKEditor CodeMirror module for Drupal 8.
This guide provides basic documentation for the CKEditor CodeMirror module for Drupal 8. It covers the module UI and some of the primary features of the CKEditor CodeMirror library.
A Wysiwyg plugin that allows editors to add a block of text to the main body text.
Wysiwyg Boxout is a Wysiwyg plugin that allows editors to add a block of text to the main body text.
When you click on the Wysiwyg button, a popup will be displayed and you can insert a Header and a Body. Click Insert and it will add a div that will format and display the box as you can see on the snapshot attached.