PASS CSSRule and CSSStyleRule types
PASS Type of CSSRule#type and constant values
PASS Existence of CSSRule attributes
PASS Writability of CSSRule attributes
PASS Values of CSSRule attributes
PASS Existence and type of CSSStyleRule attributes
PASS Assigning to CSSStyleRule.style assigns to cssText; CSSStyleRule.style returns the same object
PASS Values of CSSStyleRule attributes
PASS Mutability of CSSStyleRule's style attribute
PASS CSSStyleRule's style has [PutForwards]