2.2.23 [HTML] Section 14.2, Adding style to HTML

V0089:

The specification states:

 User agents should determine the default style sheet language for a document 
 according to the following steps (highest to lowest priority):
  
 1. If any META declarations specify the "Content-Style-Type", the last one in the 
 character stream determines the default style sheet language.
  
 2. Otherwise, if any HTTP headers specify the "Content-Style-Type", the last one in 
 the character stream determines the default style sheet language.
  
 3. Otherwise, the default style sheet language is "text/css".

All Document Modes (All Versions)

Non-CSS style sheet declarations are ignored.