Is it possible/good practice to use to include stylesheets outside of the tag, or do they only work / should the
The tag defines the relationship between a document and an external resource.
The tag is most used to link to style sheets.
Note: The link element must be embedded in the head section, and it can appear any number of times.
From: http://www.w3schools.com/tags/tag_link.asp
The LINK element
()is used to add external information related to the HTML document in the header of your document in the HEAD element.
From: http://www.w3.org/QA/Tips/use-links