div水平垂直居中 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body,
        html {
            margin: 0;
            width: 100%;
            height: 100%;
        }

        #box {
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            position: relative;
        }

        #content {
            position: absolute;
            width: 70%;
            height: 70%;
            background: pink;
            left: 50%;
            top: 50%;
            transform: translateX(-50%) translateY(-50%);
            -ms-transform: translateX(-50%) translateY(-50%);
            -webkit-transform: translateX(-50%) translateY(-50%);
        }
    </style>
</head>

<body>
    <div id="box">
        <div id="content"></div>
    </div>
</body>

</html>

　　

posted on 2020-06-20 14:06  苹果园dog  阅读(108)  评论(0)  编辑  收藏  举报

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