Exposed if the language is specified in the text, see [RFC1766] for valid values. Primary language is defined by html:lang attribute.
Currently exposed if the text is misspelled (visually it's underlined by red line). Possible value is 'spelling'.
Set to "true" for list bullets or other static text in a document which is part of the layout but has no DOM node of its own. May be generated by CSS rules such as text inserted via a ::before or :after.
CSS text attributes
Background color, the value is exposed as string rgb(r, g, b) where r, g, b are 0-255 (see CSS background-color property).
Color, the value is exposed as string rgb(r, g, b) where r, g, b are 0-255 (see CSS color property).