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mian1

elementplus-packaging
/
demo.html

<!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>
        /* .father{
            border: 1px solid #f00;
            overflow: hidden;
            position: relative;
        }
        .son1{
            width: 200px;
            left: 0;
            position: absolute;
            background-color: #ff0;
        }
        .son2{
            margin: 0 200px;
            background-color: #f00;
        }
        .son3{
            right: 0;
            top: 0;
            width: 200px;
            position: absolute;
            background-color: #09f;
        } */
        /* 解决父元素margin塌陷问题 */
        .father {
            border: 1px solid #f00;
            overflow: hidden;
        }

        .son1 {
            float: left;
        }

        .son2 {
            float: left;

        }

        .son3 {
            float: left;
        }

        /* .father {
            display: flex;
        }

        .son1 {
            width: 200px;
            background-color: #ff0;
        }

        .son2 {
            flex:1;
            background-color: #f00;
        }

        .son3 {
            width: 200px;
            background-color: #09f;
        } */
    </style>
</head>

<body>
    <div class="father">
        <div class="son1">儿子1</div>
        <div class="son2">儿子2</div>
        <div class="son3">儿子3</div>
    </div>
</body>

</html>