1.plate
2.bento
3.
plate#fancy
4.plate>apple
5.plate#fancy>pickle
6.apple.small,plate>apple.small
7.bento>orange.small,plate>orange.small
8.bento>orange.small
9.plate,bento
10.*
11.plate>*
12.plate+apple,plate+apple
13.bento~pickle
14.plate>apple
15.plate>:first-child
16.plate>apple,plate>pickle.small
17.plate#fancy>apple.small,pickle.small
18.plate:nth-child(3)
19.:nth-last-child(4)
20.apple:first-of-type
21::nth-of-type(2),:nth-of-type(4),:nth-of-type(6)或者:nth-of-type(even)
22.:nth-of-type(3),:nth-of-type(5)
23.apple.small:only-of-type
24.orange.small:last-of-type,apple.small:last-of-type
25.bento:empty
26.apple:not(.small)
