<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <style type="text/css"> a:hover { color: pink; } a:visited { color: green; } p:first-line { color: pink; } p:first-letter { color: blue; font-size: xx-large; } </style> </head> <body> <div class="one"> <a href="http://www.cnblogs.com" >这是一个测试伪类的链接</a> </div> <div class="two"> <p>这是一句测试伪元素的文本</p> </div> </body> </html>