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='/images/loading.gif' data-original="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='/images/loading.gif' data-original="http://hovertree.com/texiao/jquery/74/images/yun0.png" class="yun yun0" /><img src='/images/loading.gif' data-original="http://hovertree.com/texiao/jquery/74/images/yun1.png" class="yun yun1" /><img src='/images/loading.gif' data-original="http://hovertree.com/texiao/jquery/74/images/yun2.png" class="yun yun2" /><img src='/images/loading.gif' data-original="http://hovertree.com/texiao/jquery/74/images/bird.png" class="bird" /><img src='/images/loading.gif' data-original="http://hovertree.com/texiao/jquery/74/images/san.png" 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>转自：http://hovertree.com/h/bjaf/tiaosan.htm
特效汇总：http://www.cnblogs.com/roucheng/p/texiao.html
原标题：jQuery+CSS3实现404背景动画特效
关键词：CSS
我知道了 