子DIV设置margin-top影响父DIV位置的解决办法

时间：2023-03-09 06:38:38
子DIV设置margin-top影响父DIV位置的解决办法

父div如果没有任何东西，子div设置margin-top，父div会下落

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Document</title>

    <style>

        body{padding:0;margin:0;background:#999;}

        .page-content{min-height:600px;background:#fff;}

    </style>

</head>

<body>

    <div class="page-content">

        <div style="margin-top:50px;">gfsdghdfd</div>

    </div>

</body>

</html>

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解决方法：
1、修改父元素的高度，增加padding-top样式模拟（padding-top：1px；常用）
2、为父元素添加overflow：hidden；样式即可（完美）
3、为父元素或者子元素声明浮动（float：left；可用）
4、为父元素添加border（border:1px solid transparent可用）
5、为父元素或者子元素声明绝对定位

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