Re: Content-Style-Type

>     <meta http-equiv="Content-Style-Type" content="text/css" />

Not commenting on the validation issue here, but you don’t need to set
a Content-Style-Type. This is well covered by content sniffing [1]
(wondering aloud, though not spec’ed out in MIME Sniffing [2] yet?),
and there is de facto only one style language on the Web.


[1] http://www.w3.org/TR/html5/infrastructure.html#content-type-sniffing
[2] http://mimesniff.spec.whatwg.org/#sniffing-in-a-style-context

-- 
Jens O. Meiert
http://meiert.com/en/