请老师检查

来源：2-11 编程练习

慕UI4313976

2021-03-03 17:17:54

<!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>
        .wrap{
            width: 80px;
            overflow: hidden;
            position: relative;
        }
        .left{
            float: left;
            width: 0;
            height: 0;
            border: 20px solid transparent;
            border-left-color: red;
            position: absolute;
            left: 10px;
            border-top-left-radius: 10px;
            border-bottom-left-radius: 10px;
        }
        .right{
            float: left;
            width: 0;
            height: 0;
            border: 20px solid transparent;
            border-right-color:red;
            border-top-right-radius: 10px;
            border-bottom-right-radius: 10px;
        }
    </style>
</head>
<body>
    <div class="wrap">
        <div class="left"></div>
        <div class="right"></div>
    </div>

</body>
</html>