为什么复制的时候demo2出不来？
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<meta charset="UTF-8">
<title>微博用户发言</title>
<style>
.demo01{width:600px;position: relative;overflow: hidden}
.demo01 .left{width:100px;float:left}
.demo01 .left img{margin-left: 20px}
.demo01 .right{width:458px;float:right;padding: 20px; background: #9cf;border: 1px solid #ccc}
.demo01 .right p{font-size: 12px;line-height: 25px}
.demo01 span{position:absolute;right:20px;top:10px;font-size: 12px}
.demo02{width:600px;position:relative;overflow: hidden}
.demo02 img{float:left;margin-left: 20px}
.demo01 .right{width:458px;float:right;padding: 20px; background: #9cf;border: 1px solid #ccc}
.demo01 .right p{font-size: 12px;line-height: 25px}
.demo01 span{position:absolute;right:20px;top:10px;font-size: 12px}
</style>
</head>
<body>
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<div>
<img src="head01.jpg" />
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<h5>樱桃小丸子</h5>
<p>阴天结果昂过昂发的毫无敢港澳哼奥昂龙颤抖噶恒大所那桌女所真难熬送你桌vansonvoas住哪锁住诺真难熬女anovnnvaonvoa真难熬女奥vnaovnoa真难熬住哪vanonvoa炸诺真难熬炸诺真难熬阴天结果昂过昂发的毫无敢港澳哼奥昂龙颤抖噶恒大所那桌女所真难熬送你桌vansonvoas住哪锁住诺真难熬女anovnnvaonvoa真难熬女奥vnaovnoa真难熬住哪vanonvoa炸诺真难熬炸诺真难熬
阴天结果昂过昂发的毫无敢港澳哼奥昂龙颤抖噶恒大所那桌女所真难熬送你桌vansonvoas住哪锁住诺真难熬女anovnnvaonvoa真难熬女奥vnaovnoa真难熬住哪vanonvoa炸诺真难熬炸诺真难熬
</p>
<span>10分钟之前</span>
</div>
</div>
<br />
<br />
<div>
<img src="head01.jpg" />
</div>
<div>
<h5>樱桃小丸子</h5>
<p>阴天结果昂过昂发的毫无敢港澳哼奥昂龙颤抖噶恒大所那桌女所真难熬送你桌vansonvoas住哪锁住诺真难熬女anovnnvaonvoa真难熬女奥vnaovnoa真难熬住哪vanonvoa炸诺真难熬炸诺真难熬阴天结果昂过昂发的毫无敢港澳哼奥昂龙颤抖噶恒大所那桌女所真难熬送你桌vansonvoas住哪锁住诺真难熬女anovnnvaonvoa真难熬女奥vnaovnoa真难熬住哪vanonvoa炸诺真难熬炸诺真难熬
阴天结果昂过昂发的毫无敢港澳哼奥昂龙颤抖噶恒大所那桌女所真难熬送你桌vansonvoas住哪锁住诺真难熬女anovnnvaonvoa真难熬女奥vnaovnoa真难熬住哪vanonvoa炸诺真难熬炸诺真难熬
</p>
<span>10分钟之前</span>
</div>
</div>
</body>
</html>
我明明看了好几遍，一个代码一个代码的看，怎么会这样！！！
