У Aetae не получилась подсказка =(.
<style>@keyframes mm {0%{transform: scale(0.9)}100%{color:red;transform:scale(4.9)}}</style><div>
BX.LiveChat.addEventListener(window, 'message', function(event){co<div style="display: inline-block;animation: mm 0.2s ease-in-out 0.10s infinite normal">n</div>sole.log(2);
</div>