<http://schema.org/description>
"In the past, everyone knew that Google and the other engines, stayed away from your CSS files.  However, after on October 19th, Matt Cutts posted a blog entry named SEO Mistakes: Unwise comments which"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/002788.html>