效果：
http://hovertree.com/texiao/jquery/74/
源码下载：
http://hovertree.com/h/bjaf/ko0gcgw5.htm
效果图如下：
代码如下：
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery+CSS3实现404背景动画特效 - 何问起</title><base target="_blank" /> <link href="http://hovertree.com/texiao/jquery/74/css/404.css" rel="stylesheet" type="text/css" /> <script src="http://down.hovertree.com/jquery/jquery-1.7.2.min.js"></script> <script type="text/javascript"> $(function() { var h = $(window).height(); $('body').height(h); $('.mianBox').height(h); centerWindow(".tipInfo"); }); //2.将盒子方法放入这个方，方便法统一调用 function centerWindow(a) { center(a); //自适应窗口 $(window).bind('scroll resize', function() { center(a); }); } //1.居中方法，传入需要剧中的标签 function center(a) { var wWidth = $(window).width(); var wHeight = $(window).height(); var boxWidth = $(a).width(); var boxHeight = $(a).height(); var scrollTop = $(window).scrollTop(); var scrollLeft = $(window).scrollLeft(); var top = scrollTop + (wHeight - boxHeight) / 2; var left = scrollLeft + (wWidth - boxWidth) / 2; $(a).css({ "top": top, "left": left }); } </script> </head> <body> <div class="mianBox"> <img src="http://hovertree.com/texiao/jquery/74/images/yun0.png" alt="" class="yun yun0" /> <img src="http://hovertree.com/texiao/jquery/74/images/yun1.png" alt="" class="yun yun1" /> <img src="http://hovertree.com/texiao/jquery/74/images/yun2.png" alt="" class="yun yun2" /> <img src="http://hovertree.com/texiao/jquery/74/images/bird.png" alt="鸟" class="bird" /> <img src="http://hovertree.com/texiao/jquery/74/images/san.png" alt="何问起" class="san" /> <div class="tipInfo"> <div class="in"> <div class="textThis"> <h2>页面不存在</h2> <p><span>页面将自动<a id="href" href="http://hovertree.com/h/bjaf/tiaosan.htm">跳转</a></span><span>等待<b id="wait">60</b>秒</span></p> <script type="text/javascript"> (function() { var wait = document.getElementById('wait'), href = document.getElementById('href').href; var interval = setInterval(function() { var time = --wait.innerHTML; if (time <= 0) { location.href = href; clearInterval(interval); } ; }, 1000); })(); </script> </div> </div> </div> </div> <div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';"> <p>适用浏览器：360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8及以下浏览器。</p> <p>来源：<a href="http://hovertree.com/" target="_blank">何问起</a> <a href="http://hovertree.com/texiao/">特效</a> <a href="http://hovertree.com/h/bjaf/tiaosan.htm">原文</a></p> </div> </body> </html>