右边的为什么不能贴边

来源：4-3 编程练习

慕莱坞8202083

2019-05-19 08:25:35

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
<title>123</title>
<style type="text/css">
    *{padding:0px;
      margin:0px;   
    }
    .main{
        width:100%; 
        height:2000px;
        background: url(http://climg.mukewang.com/59c9f7ce0001839219034033.png)
        top left no-repeat   ;
       background-size:100%;
         }
    .fixed1{
        width:224px;
        height:364px;
        background:url(http://climg.mukewang.com/5a3383c70001f1b702240364.png) no-repeat ;
        
        position:fixed ;
        top:50%;
        margin-top:-55px;
        left:0px;
        background-size:50%
    }    
    .fixed2{
        width:224px;
        height:364px;
        background:url(http://climg.mukewang.com/5a3383d00001a3dd02240364.png) no-repeat;
        position:fixed;
        right:0px;
        top:50%;
        margin:-55px;
        background-size:50%;
    }
    
</style>
</head>
<body>
<div class="main"> 
     <div class="fixed1">
         
     </div>
     <div class="fixed2">
         
     </div>
</div>

</body> 
</html>

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