仿百度联盟对联广告实现代码

<style type="text/css">
*{margin:0;padding:0;}
body{height:2000px;}
.floatAd{width:124px;height:299px; text-align:center; position:fixed;margin-left:0;top:109px; _position:absolute; background:url(https://files.jb51.net/demoimg/2014/bg_slide2_120_270.png) no-repeat;}
.floatAd a{display:block;}
.floatAd img{border:none;}
.floatAd .closeAd{width:50px; height:20px; display:block; cursor:pointer;margin:9px 0 0 auto;}
.flAd{left:0;}
.frAd{right:0;}
</style>
<div class="floatAd flAd">
<a href=#
<style type="text/cs