CSS2 Pseudo Elements and RH7

I am trying to have text generated and added automatically to content in RH7. For example, with CSS2, I can supposedly include in my RH7 style sheet the x:after {content: 'foobu:'} pseudo element command and have this text added every time the x style appears in my topic. That is, every time

CSS2 Pseudo Elements and RH7

I am trying to have text generated and added automatically to content in RH7. For example, with CSS2, I can supposedly include in my RH7 style sheet the "x:after {content: 'foobu:'}" pseudo element command and have this text added every time the x style appears in my topic. That is, every time