css浮动实现 

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        .juzhong{
            width:400px;
            height:400px;
            background: #FF6600;
            float:left;
            position: relative;
            left:50%;
            margin-left: -200px;

        }

    </style>
</head>
<body>
    <div class="juzhong">

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

posted on 2016-05-23 16:19  指尖的繁华  阅读(29)  评论(0)    收藏  举报

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