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来源：2-4 编程练习

慕桂英1122475

2023-03-06 10:33:51

<!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>
<style>
    .box1{
        width: 200px;
        height: 200px;
        margin: 20px;
        background-color: pink;
        /* 写法1：transition:  all 3s linear 0s; */
        /* 换个写法： */
        transition: background-color 2s, box-shadow 2s;
 
    }

    .box1:hover{
        background-color: orange;
        box-shadow: 5px 5px 5px;
    }
</style>

</head>
<body>
    <div class="box1"></div>
</body>
</html>

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