帮忙检查下代码谢谢

来源：3-7 编程练习

lcy_18

2020-07-26 21:21:53

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>线性渐变</title>
    <style type="text/css">
        div{
            width:400px;height:400px;border:1px solid red;
            /*补充代码，给div元素设置背景渐变*/
            background: linear-gradient(90deg,rgba(255,0,0,0) 20%,rgba(255,0,0,1) 50%,rgba(0,255,0,0.7) 90%);
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>