老师麻烦看下

来源：3-17 编程练习

xchengguang

2019-09-11 15:36:29

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>径向渐变</title>
    <style type="text/css">
        div{
            width:200px;height:300px;
            float:left;
            margin:100px 0 0 100px;
        }
        /*补充代码，分别写出4个元素的背景渐变效果*/
        .div1{
            background: radial-gradient(circle closest-side at 60% 40% ,red,yellow,green,blue);
        }
        .div2{
            background: radial-gradient(circle farthest-side at 60% 40%,red,yellow,green,blue);
        }
        .div3{
            background: radial-gradient(circle closest-corner at 60% 40%,red,yellow,green,blue);
        }
        .div4{
            background: radial-gradient(circle farthest-corner at 60% 40%,red,yellow,green,blue);
        }
    </style>
</head>
<body>
<div class="div1"></div>
<div class="div2"></div>
<div class="div3"></div>
<div class="div4"></div>
</body>
</html>

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