Answer: E[attr$=value]
Answer: :checked
Answer: :default
Answer: :empty
Answer: :enabled
Answer: 2.0
p {line-height: 150%;}
Answer: element Selectors
Answer: class
Answer: E > F
Answer: E ~ F
Answer: E.class
Answer: E + F
Answer: specificity = 0,0,0,0
Answer: specificity = 0,0,0,1
Answer: specificity = 0,0,0,2
Answer: specificity = 0,0,0,2
Answer: specificity = 0,0,0,3
Answer: specificity = 0,0,1,3
Answer: none of the mentioned
Answer: specificity = 0,0,2,1