DIV水平垂直居中 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
        *{
            margin:0;
            padding:0;
        }
        .box{
            position: fixed;
            top:50%;
            left:50%;
            background-color: red;
            width: 100px;
            height: 100px;
            margin-left:-50px;
            margin-top:-50px;
        }
    </style>
</head>
<body>
        <div class="box"></div>
</body>
</html>

 

posted on 2017-08-16 00:13  -韩帅  阅读(97)  评论(0)  编辑  收藏  举报

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