Attribute Selectors (with empty strings) with a match and the Negation pseudo-class

Green - Selector matches

Substring matching attribute selectors CSS3

Other test with Wildcard Attribute Selectors

• Attribute Substring Selectors (with empty strings) with a match
• Attribute Presence Selectors (with empty strings) with a match and Negation pseudo-class Selectors
• Attribute Substring Selectors (with empty strings) with no match and Negation pseudo-class Selectors

References and other links

1. 6.3.1. Attribute presence and values selectors
2. 6.6.7. The negation pseudo-class
3. CSS3 Selectors Test Suite Index

Selectors - CSS Class Test