代码片段，纯css3实现物流状态持续更新的实例代码，特地分享如下。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style>
body{font-size: 12px;}
ul li{list-style: none;}
.track-rcol{width: 900px; border: 1px solid #eee;}
.track-list{margin: 20px; padding-left: 5px; position: relative;}
.track-list li{position: relative; padding: 9px 0 0 25px; line-height: 18px; border-left: 1px solid #d9d9d9; color: #999;}
.track-list li.first{color: red; padding-top: 0; border-left-color: #fff;}
.track-list li .node-icon{position: absolute; left: -6px; top: 50%; width: 11px; height: 11px; background: url(http://demo.daimabiji.com/3531/img/order-icons.png) -21px -72px no-repeat;}
.track-list li.first .node-icon{background-position:0 -72px;}
.track-list li .time{margin-right: 20px; position: relative; top: 4px; display: inline-block; vertical-align: middle;}
.track-list li .txt{max-width: 600px; position: relative; top: 4px; display: inline-block; vertical-align: middle;}
.track-list li.first .time{margin-right: 20px; }
.track-list li.first .txt{max-width: 600px; }
</style>
</head>
<body>
<p class="track-rcol">
<p class="track-list">
<ul>
<li class="first">
<i class="node-icon"></i>
<span class="time">2016-03-10 18:07:15</span>
<span class="txt">感谢您在京东购物，欢迎您再次光临！</span>
</li>
<li>
<i class="node-icon"></i>
<span class="time">2016-03-10 18:07:15</span>
<span class="txt">
