OptionalattributesAdditional DOM attributes to apply to the editable element.
OptionalclassesClass name or array of class names to apply to the editable element. Each name can be provided as a string.
OptionalnameThe DOM tag name to use. Defaults to 'div' when not provided, so integrators can keep the default element and
still specify #classes, #styles, or #attributes.
OptionalstylesInline styles to apply to the editable element as a record of style properties.
A description of the DOM element used as an editor's editable root, accepted by module:core/editor/editorconfig~RootConfig#element
config.root.element.classandstylemay also be passed as strings insideattributesas a shorthand: