https://w4u-public.github.io/XD.css/
CSS Animation library.
This library is using Custom Properties. Can I use var()
<head>
<link rel="stylesheet" href="XD.min.css" />
</head><div class="(`･ω･´)">
<div>A</div>
<div>A</div>
<div>A</div>
</div><div class="(`･ω･´)(◍´x`◍)">
<div>A</div>
<div>A</div>
<div>A</div>
</div>