The task at hand here is to allow the client to create a classed wrapper around multiple elements using CKEditor in Drupal 8. The fundamental problem here is the CKEditor's built in "Styles" dropdown classes each individually, while we need a class wrapping them. You could probably make or install your own CKEditor plugin, but that's not what I did. I did this with Javascript…
Read more about Add Multi-Element Wrapper Class With CKEditor in Drupal 8
