html
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>Hearts animation background</title>
<link rel="stylesheet" href="css/reset.min.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<svg id="hearts" viewBox="-600 -400 1200 800" preserveAspectRatio="xMidYMid slice">
<defs>
<symbol id="heart" viewBox="-69 -16 138 138">
<path d="M0,12
C 50,-30 110,50 0,120
C-110,50 -50,-30 0,12z"/>
</symbol>
</defs>
</svg>
<script src="js/index.js">
</script>
</body>
</html>复制保存到html文件中
