麻烦老师批改，谢谢

来源：3-25 编程练习

慕九州1456286

2019-08-06 23:37:32

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>渐变应用</title>
    <style type="text/css">
        div{
            width: 400px;
            height: 400px;
            background-color:yellow;
            /*补充代码*/
           background-size: 40px 40px;
           background-image: linear-gradient(45deg, purple 25%, transparent 25%),
                             linear-gradient(-45deg, purple 25%, transparent 25%),
                             linear-gradient(45deg, transparent 75%, purple 75% ),
                             linear-gradient(-45deg, transparent 75%, purple 25%);

        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>