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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <style type="text/css"> h1:after {content:url(smiley.gif);} </style> </head> <body> <h1>This is a heading</h1> <p>The :after pseudo-element inserts content after an element.</p> <h1>This is a heading</h1> <p><b>Note:</b> IE8 supports the content property only if a !DOCTYPE is specified.</p> </body> </html>
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