css3动画写一个跳动的心

最新推荐文章于 2023-03-01 12:23:35 发布

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最新推荐文章于 2023-03-01 12:23:35 发布

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分类专栏： css

本文链接：https://blog.youkuaiyun.com/Ych_cxy/article/details/103164762

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            width: 100vw;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .header{
            width: 200px;
            height: 200px;
            background: red;
            transform: rotate(45deg) scale(0.5);
            animation-name: hd;
            animation-duration: 5s;
            animation-iteration-count: infinite;
            animation-direction: reverse;
        }
        @keyframes hd {
            25%{
                transform: rotate(45deg) scale(1);
            }
            50%{
                transform: rotate(45deg) scale(0.5);
            }
            75%{
                transform: rotate(45deg) scale(1);
            }
        }
        .header::after{
            content: " ";
            width: 200px;
            height: 200px;
            border-radius: 50%;
            position: absolute;
            transform: translateY(-100px);
            background: red;
        }
        .header::before{
            content: " ";
            width: 200px;
            height: 200px;
            border-radius: 50%;
            position: absolute;
            transform: translateX(-100px);
            background: red;
        }
    </style>
</head>
<body>
    <div class="header">
    </div>
</body>
</html>