Css2.1 Selector

2. Description of character type selection mode
3. Wildcard character * matches all elements
4. Type selector e matches all eElements
5. Class. info matches all elements whose class value is equal to info.
6. ID # footer matches all elements whose attribute id value is equal to footer
7. The descendant selector e f matches all f elements of the descendant E.
8. Sub-Selector E> F matches all e sub-elements F
9. The neighboring selector e + F matches all E's sibling elements F
10. The attribute selector E [ATT] matches all the eElements with the ATT attribute, regardless of the attribute value.
11. The attribute selector E [ATT = Val] matches all Eelements with the ATT attribute and the value is Val.
12. Attribute selector E [ATT ~ = Val] matches all Eelements that have the ATT attribute and Val is a complete word in the attribute value.
13. The attribute selector E [ATT | = Val] matches the string that owns the ATT attribute and starts with its value.
14. : First-Child pseudo Class E: First-Child matches all the first node eElements in the parent Element
15. Link pseudo-Class E: link matches all unaccessed links
16. E: visited matches all the accessed links.
17. Dynamic pseudo-Class E: Active matches all links in the active state
18. E: link when the hover matches the mouse
19. E: the focus matches the link in the focus state.
20. : Language pseudo Class E: Lang (c) matches the E element whose language is C.
21. : First-line pseudo Class E: first-line matches the first line of content in Element E.
22. : First-letter pseudo Class E: First-letter matches the first letter in the Eelement
23. : Before and: After E: Before match the content inserted before (after) The Eelement.
24. Pseudo Class E: After