37伪类选择器.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>
        .card{
            width: 300px;
            height: 300px;
            margin: 40px auto;
            border: 1px solid #000;
            transition: 0.5s all;
        }
        .card:hover {
            margin-top: 10px;
        }
    </style>
</head>
<body>
    <div class="card">
        <img src="./img-01.jpg" alt="" width="300">
    </div>
</body>
</html>