老师，帮忙看下作业

来源：2-13 编程练习

慕莱坞5245545

2021-09-06 18:20:36

<html>
<head>
    <meta charset="utf-8">
    <title>2-3</title>
    <style type="text/css">
        /* 此处写代码*/
        *{
            margin:0;
            padding:0;
        }
        .box{
            width:300px;
            height:200px;
            background-color:red;
            margin:100px auto;
            position:relative;
        }
        .box div{
            width:0;
            height:0;
            border:65px solid transparent;
            border-top:40px solid yellow;
            position:absolute;
            left:-16px;
            top:3px;
            transform:scale(.4);
            z-index:9;
        }
        .box div:before{
            display:block;
            content:"";
            width:0;
            height:0;
            border:65px solid transparent;
            border-right:40px solid yellow;
            position:absolute;
            left:-83px;
            top:-74px;
            transform:rotate(-20deg);
            z-index:99;
        }
        .box div:after{
            display:block;
            content:"";
            width:0;
            height:0;
            border:65px solid transparent;
            border-left:40px solid yellow;
            position:absolute;
            left:-27px;
            top:-73px;
            transform:rotate(20deg);
            z-index:999;
        }
        .box div:nth-child(1){
            position:absolute;
            left:-25px;
            top:6px;
            transform:scale(.4);
        }
        .box div:nth-child(2){
            position:absolute;
            left:10px;
            top:-30px;
            transform:rotate(20deg) scale(.13);
        }
        .box div:nth-child(3){
            position:absolute;
            left:30px;
            top:-10px;
            transform:rotate(30deg) scale(.13);
        }
        .box div:nth-child(4){
            position:absolute;
            left:30px;
            top:15px;
            transform:rotate(0deg) scale(.13);
        }
        .box div:nth-child(5){
            position:absolute;
            left:10px;
            top:32px;
            transform:rotate(80deg) scale(.13);
        }
    </style>
</head>
<body>
    <!-- 此处写代码 -->
    <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>
</html>