效果图：

2D转换之 scale练习_css3

源代码：

<!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>
        img {
            display: block;
            width: 200px;
            height: 200px;
            margin: 200px auto;
            border-radius: 50%;
            transition: all linear 1.5s;
            border: 1px solid #00a4ff;
        }
        
        img:hover {
            transform: scale(2);
        }
    </style>
</head>

<body>
    <div>
        <img src="image/study.jpg" alt="滚去学习">
    </div>
</body>

</html>