2.1.24 [CSS-Level2-2009] Section 5.12.3, The :before and :after pseudo-elements

V0023:

The specification states:

 The ':before' and ':after' pseudo-elements can be used to insert generated content 
 before or after an element's content.

Quirks Mode and IE7 Mode (All Versions)

The :before and :after pseudo-elements are not supported.

Quirks Mode, IE7 Mode, and IE8 Mode (All Versions)

The :before and :after pseudo-elements have no effect on link elements.

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