<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<style>
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #ffe6f2;
margin: 0;
}
.heart {
width: 100px;
height: 90px;
position: relative;
animation: beat 1s infinite;
}
.heart:before,
.heart:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: red;
border-radius: 50px 50px 0 0;
transform: rotate(-45deg);
transform-origin: 0 100%;
}
.heart:after {
left: 0;
transform: rotate(45deg);
transform-origin: 100% 100%;
}
@keyframes beat {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.1); }
}
</style>
</head>
<body>
<div class="heart"></div>
</body>
</html>
index.html