麻烦老师检查一下了

来源：2-21 自由编程

转行学习中_阶段一

2022-10-21 18:11:08

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        div {
            width: 88px;
            height: 81px;
            margin: 50px auto;
            background-image: url(images/xin.png);
        }
        .box {  
            position: relative;
        }
        .box1 {
            position: absolute;
            top: -53px;
            left: 0;
            animation: heart 1s linear 0s infinite;
        }
        @keyframes heart {
            from {
                opacity: 1;
                transform: scale(1);
            }
            to {
                opacity: 0;
                transform: scale(2);
            }
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="box1"> </div>
    </div>
   
</body>
</html>

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