4-3 作业检查

来源：4-3 编程练习

SsssZzzz

2018-03-04 19:20:40

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.page{
width: 100%;
height: 4043px;
background:url(http://climg.mukewang.com/59c9f7ce0001839219034033.png) center top no-repeat;
position: relative;
}
.left-banner{
width: 224px;
height: 364px;
background: url(http://climg.mukewang.com/5a3383c70001f1b702240364.png)  no-repeat;
position: fixed;
top: 50%;
left: 0;
margin-top: -182px; 
}
.right-banner{
width: 224px;
height: 364px;
background: url(http://climg.mukewang.com/5a3383d00001a3dd02240364.png);
position: fixed;
top: 50%;
right: 0;
margin-top: -182px; 
}
</style>
</head>
<body>
<div class="page">
<div class="left-banner">

</div>
<div class="right-banner">

</div>
</div>
</body>
</html>

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