| 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] | |