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来源：4-3 编程练习

伪装的很酷

2018-08-21 10:33:02

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
<title></title>
<style>
     .bgimage{
         width:100%;
         height:4033px;
         background:url(http://climg.mukewang.com/59c9f7ce0001839219034033.png);
         background-position:center top;
         background-repeat:no-repeat;

     }

     .leftbar{
         width:200px;
         height:400px;
         position:fixed;
         background:url(http://climg.mukewang.com/5a3383d00001a3dd02240364.png);
         top:50%;
         left:0;
         margin-top:-200px;



     }

     .rightbar{
         width:200px;
         height:400px;
         position:fixed;
         background:url(http://climg.mukewang.com/5a3383c70001f1b702240364.png);
         top:50%;
         right:0;
         margin-top:-200px;     }
</style>
</head>
<body>
    <div class="bgimage">
        <div class="leftbar"></div>
        <div class="rightbar"></div>
    </div>

</body>
</html>