HTML/CSS 盒模型中的margin和padding的区别?

margin在所有元素上都可以设置(例如: div, span 等)

padding不能对行内元素生效(例如: span, img, a 等)

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <h5>padding 所有元素都可以设置</h5>    
    <div style="padding: 20px;">div</div>
    <span style="padding: 20px;">span</span>

    <h5>margin 行内元素(span,a,img等)不会生效</h5>
    <div style="margin: 20px;">div</div>
    <span style="margin: 20px">span</span>

    <div style="display: flex;">
        <span style="margin: 20px; width: 300px; height:300px; background:red;">span</span>
    </div>
</body>
</html>

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转载自blog.csdn.net/m0_74744119/article/details/128865449