:after and :before css pseudo elements aren’t supported by IE 7 and if you need to offer the same user experience in many browsers as possible (included legacies) without create extra code css/javascript/html/etc.., you can use the following technique that I found in Stack Overflow, kudos to vieron who found this hack!!.

If you want to see how it’s done, read :after and :before css pseudo elements hack for IE 7 in the Base22 Knowledge Wiki.

Hope you find this information useful!!