<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <style type="text/css"> [class^="cl"]{ font-size: 30px; color: red; } [class^="cl"]{ font-size: 30px; color: red; } [class$="cl"]{ font-size: 30px; color: red; } [class*="cl"]{ font-size: 30px; color: red; } p:before{ content:"回家回家"; } p:after{ content:"抓紧回家"; } :root{background-color: blud;} :empty{background-color: yellow;} :target h3{color: red;} </style> </head> <p class="cl11">赶紧放学！！！！！！！！</p> <p class="cl22">赶紧放学！！！！！！！！</p> <p class="11cl">赶紧放学！！！！！！！！</p> <p class="22cl">赶紧放学！！！！！！！！</p> <p>赶紧放学！！！！！！！！<br/> 赶紧放学！！！！！！！！<br/> 赶紧放学！！！！！！！！<br/> 赶紧放学！！！！！！！！<br/> </p> <table> <tr><td>a</td><td>b</td></tr> <tr><td>c</td><td></td></tr> </table> <a href="#html">html</a> <a href="#jsp">jsp</a> <div id="html"> <h3>点击</h3> </div> <div id="jsp"> <h3>点击</h3> </div> <body> </body> </html>
原文：http://www.cnblogs.com/lizeyang/p/6268921.html