<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
@keyframes jiggle{
from{
transform: translateY(0);
}
to{
transform: translateY(100px);
}
}
</style>
<style media="screen and (update: fast)">
p{
animation: 0.2s jiggle linear alternate infinite;
}
</style>
<style media="screen and (update: slow)">
p{
animation: 1s jiggle linear alternate infinite;
}
</style>
</head>
<body>
<p>update is not supported in any version of chrome, mozilla, IE, Edge, Opera</p>
</body>
</html>