基于CSS属性animation动画制作，效果流畅弹性十足
效果展示 http://hovertree.com/texiao/css3/32/
源码下载：
http://hovertree.com/h/bjaf/fo1jlmhi.htm
效果图如下：
代码如下：
<span style="color: #0000ff;"><span style="color: #ff00ff;">doctype html</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">html</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">charset</span><span style="color: #0000ff;">="utf-8"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="renderer"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="webkit"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="X-UA-Compatible"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="IE=Edge"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="viewport"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>CSS3鼠标滑过动画线条边框特效 - 何问起<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">base </span><span style="color: #ff0000;">target</span><span style="color: #0000ff;">="_blank"</span> <span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="http://hovertree.com/texiao/css3/32/css/index.css"</span> <span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-list"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="clearfix"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="J_service_container"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/tiku/"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item-box"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>何问起题库<span style="color: #0000ff;"></span><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>Web前端，HTML5，Java，C#，CSS等等<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>考试，面试复习<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>知识自测<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-start"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-bottom"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-left"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-top"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-right"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="start-point"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">i </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-icon"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span>+<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/h/bjaf/l3c6nm7b.htm"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item-box"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>何问起键盘<span style="color: #0000ff;"></span><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>用电脑键盘弹电子琴<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>学习音乐好工具<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>没事弹小曲<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-start"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-bottom"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-left"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-top"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-right"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="start-point"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">i </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-icon"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span>+<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://m.hovertree.com/"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item-box"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>何问起谜语<span style="color: #0000ff;"></span><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>谜语是中华民族历史悠久的文化<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>锻炼思维<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>一点一点落实（字）<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-start"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-bottom"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-left"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-top"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-right"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="start-point"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">i </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-icon"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span>+<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item-box"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>何问起<span style="color: #0000ff;"></span><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>想问候不知从何问起<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>就直接说喜欢你<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>们<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-start"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-bottom"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-left"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-top"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-right"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="start-point"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">i </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-icon"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span>+<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://keleyi.com/"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item-box"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>柯乐义<span style="color: #0000ff;"></span><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>木可柯<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>乐意为您服务<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>天长地久<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-start"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-bottom"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-left"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-top"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-right"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="start-point"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">i </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-icon"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span>+<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/hovertreescj/"</span><span style="color: #0000ff;">></span>
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<span style="color: #0000ff;"><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>HoverTreeSCJ<span style="color: #0000ff;"></span><span style="color: #800000;">h3</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>C#.NET Sql Server<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>何问起收藏夹<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>WinForm<span style="color: #0000ff;"></span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span>
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<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-bottom"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-left"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
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<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="overlay-right"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="start-point"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">i </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span><span style="color: #800000;">i</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="service-icon"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="circle"</span><span style="color: #0000ff;">></span>+<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span>
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<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="hovertreeinfo"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>适用浏览器：FireFox、Chrome、Opera、Edge、搜狗、世界之窗. 不支持Safari、IE8及以下浏览器。<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>来源：<span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/"</span><span style="color: #ff0000;"> target</span><span style="color: #0000ff;">="_blank"</span><span style="color: #0000ff;">></span>何问起<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/menu/texiao/"</span><span style="color: #0000ff;">></span>网页特效<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="http://hovertree.com/h/bjaf/vphj0rrw.htm"</span><span style="color: #0000ff;">></span>代码说明<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>转自：http://hovertree.com/h/bjaf/vphj0rrw.htm
特效汇总：http://www.cnblogs.com/jihua/p/webfront.html
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