How to make ckeditor save what it needs?

Question

css

Hello. Customers asked to install Ckeditor. Before that, work with another editor. All set, great. But. After saving, tags (html, head, body) are added to the text. And the second problem: when saving, the editor mercilessly cuts my classes and identifiers, leaving empty tags. How to deal with it. The latest version of the editor.

Answer 1

remove line in config
and add
allowedContent:true