请老师检查

来源：2-14 编程练习

慕UI4313976

2021-03-07 20:36:54

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        #myTest{
            width: 100px;
            height: 100px;
            text-align: center;
            line-height: 100px;
            background-color: #f43838;
            margin: auto;
            margin-top: 100px;
            color: #FFF;
            cursor: pointer;
            font-size: 20px;
            font-weight: bold;
        /*添加代码*/
        transition: all 0.5s ease 0s;

        }
        #myTest:hover{
            /*添加代码*/
            border-radius:50%;
            background-color: green;
            transform: scale(2)
        }
    </style>
</head>
<body>
    <div id="myTest">  duang! </div>
</body>
</html>