为什么.s2.s3.s4.s5中transfrom属性rotate和scale属性分开写会失效，写一起有效？

来源：2-13 编程练习

慕沐9134220

2020-12-13 23:17:57

# 具体遇到的问题

# 报错信息的截图
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# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

<!DOCTYPE HTML>
<html>

<head>
    <meta charset="utf-8">
    <title>2-3</title>
    <style type="text/css">
        /* 此处写代码*/
        * {
            padding: 0px;
            margin: 0px;
        }

        .red {
            width: 600px;
            height: 400px;
            background-color: red;
            position: relative;
        }

        .star {
            width: 0px;
            height: 0px;
            border-left: 40px solid transparent;
            border-right: 40px solid transparent;
            border-top: 27px solid yellow;
            border-bottom: 27px solid transparent;
            position: absolute;
            top: 80px;
            left: 56px;
        }

        .star::after {
            content: "";
            width: 0px;
            height: 0px;
            border-left: 40px solid transparent;
            border-right: 40px solid transparent;
            border-top: 27px solid yellow;
            border-bottom: 27px solid transparent;
            position: absolute;
            top: -36px;
            left: -26px;
            transform: rotate(-72deg);
        }

        .star::before {
            content: "";
            width: 0px;
            height: 0px;
            border-left: 40px solid transparent;
            border-right: 40px solid transparent;
            border-top: 27px solid yellow;
            border-bottom: 27px solid transparent;
            position: absolute;
            top: -35px;
            left: -53px;
            transform: rotate(72deg);
        }
        .s1{
            transform: scale(1);
        }
        .s2{
                top: 10px;
                left: 135px;
                transform: scale(0.4) rotate(30deg);
        }
        .s3{
                top: 45px;
                left: 167px;
                transform: scale(0.4) rotate(60deg);
        }
        .s4{
                top: 95px;
                left: 167px;
                transform: scale(0.4) rotate(72deg);
        }
        .s5{
                top: 133px;
                left: 135px;
                transform: scale(0.4) rotate(102deg);
        }
    </style>
</head>

<body>
    
    <div class="red">
        <div class="star s1"></div>
        <div class="star s2"></div>
        <div class="star s3"></div>
        <div class="star s4"></div>
        <div class="star s5"></div>
    </div>

</body>

</html>