老师，您看这个标准吗？

来源：2-14 编程练习

李可意

2019-10-21 15:08:52

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body {
            background: #f3f3f3;
        }
        div{
            width: 200px;
            height: 100px;
            border: 10px solid red;
            float: left;
            margin: 100px;
        }
        div:nth-child(1){
            border-radius: 0px 40px 30px 50px / 0px 40px 50px 50px;
        }
        div:nth-child(2){
            transform:rotate(90deg);
            border-radius: 40px 110px 0px 10px / 50px 100px 0px 10px;
        }
        div:nth-child(3){
            transform:rotate(-90deg);
            border-radius: 10px 50px;
        }
    </style>
</head>
<body>
    <div></div>
    <div></div>
    <div></div>
</body>
</html>

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