效果
源码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Cloud & Rain Animation</title><link rel="stylesheet" href="style.css">
</head>
<body><div class="container"><div class="cloud"></div><div class="rain"><span style="--i:11"></span><span style="--i:12"></span><span style="--i:10"></span><span style="--i:14"></span><span style="--i:18"></span><span style="--i:16"></span><span style="--i:19"></span><span style="
