CSS3鼠标滑过动画线条边框特效

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：

doctype html>
html>
head>
meta charset="utf-8">
meta name="renderer" content="webkit">
meta http-equiv="X-UA-Compatible" content="IE=Edge">
meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
title>CSS3鼠标滑过动画线条边框特效 - 何问起title>
base target="_blank" />
link rel="stylesheet" href="http://hovertree.com/texiao/css3/32/css/index.css" />

head>
body>
div class="service">
  div class="service-list">
    ul class="clearfix" id="J_service_container">
      li> a href="http://hovertree.com/tiku/">
        div class="item-box">
        h3>何问起题库h3>
        h4>Web前端，HTML5，Java，C#，CSS等等h4>
        h4>考试，面试复习h4>
        h4>知识自测h4>
        div class="overlay-start">div>
        div class="overlay-bottom">div>
        div class="overlay-left">div>
        div class="overlay-top">div>
        div class="overlay-right">div>
        div class="start-point"> i class="circle">i> div>
      div>
        div class="service-icon">
        div class="circle">+div>
      div>
        a> li>
      li> a href="http://hovertree.com/h/bjaf/l3c6nm7b.htm">
        div class="item-box">
        h3>何问起键盘h3>
        h4>用电脑键盘弹电子琴h4>
        h4>学习音乐好工具h4>
        h4>没事弹小曲h4>
        div class="overlay-start">div>
        div class="overlay-bottom">div>
        div class="overlay-left">div>
        div class="overlay-top">div>
        div class="overlay-right">div>
        div class="start-point"> i class="circle">i> div>
      div>
        div class="service-icon">
        div class="circle">+div>
      div>
        a> li>
      li> a href="http://m.hovertree.com/">
        div class="item-box">
        h3>何问起谜语h3>
        h4>谜语是中华民族历史悠久的文化h4>
        h4>锻炼思维h4>
        h4>一点一点落实（字）h4>
        div class="overlay-start">div>
        div class="overlay-bottom">div>
        div class="overlay-left">div>
        div class="overlay-top">div>
        div class="overlay-right">div>
        div class="start-point"> i class="circle">i> div>
      div>
        div class="service-icon">
        div class="circle">+div>
      div>
        a> li>
      li> a href="http://hovertree.com/">
        div class="item-box">
        h3>何问起h3>
        h4>想问候不知从何问起h4>
        h4>就直接说喜欢你h4>
        h4>们h4>
        div class="overlay-start">div>
        div class="overlay-bottom">div>
        div class="overlay-left">div>
        div class="overlay-top">div>
        div class="overlay-right">div>
        div class="start-point"> i class="circle">i> div>
      div>
        div class="service-icon">
        div class="circle">+div>
      div>
        a> li>
      li> a href="http://keleyi.com/">
        div class="item-box">
        h3>柯乐义h3>
        h4>木可柯h4>
        h4>乐意为您服务h4>
        h4>天长地久h4>
        div class="overlay-start">div>
        div class="overlay-bottom">div>
        div class="overlay-left">div>
        div class="overlay-top">div>
        div class="overlay-right">div>
        div class="start-point"> i class="circle">i> div>
      div>
        div class="service-icon">
        div class="circle">+div>
      div>
        a> li>
      li> a href="http://hovertree.com/hovertreescj/">
        div class="item-box">
        h3>HoverTreeSCJh3>
        h4>C#.NET Sql Serverh4>
        h4>何问起收藏夹h4>
        h4>WinFormh4>
        div class="overlay-start">div>
        div class="overlay-bottom">div>
        div class="overlay-left">div>
        div class="overlay-top">div>
        div class="overlay-right">div>
        div class="start-point"> i class="circle">i> div>
      div>
        div class="service-icon">
        div class="circle">+div>
      div>
        a> li>
    ul>
  div>
div>

div class="hovertreeinfo">
p>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。p>
p>来源：a href="http://hovertree.com/" target="_blank">何问起a> a href="http://hovertree.com/menu/texiao/">网页特效a>
a href="http://hovertree.com/h/bjaf/vphj0rrw.htm">代码说明a>p>
div>
body>
html>

转自：http://hovertree.com/h/bjaf/vphj0rrw.htm

特效汇总：http://www.cnblogs.com/jihua/p/webfront.html