<!DOCTYPE html>
<html lang="en-US">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
@keyframes jiggle{
from{
transform: translateY(0);
}
to{
transform: translateY(25px);
}
}
</style>
</head>
<body>
<h1>CSS @media update</h1>
<button onclick="myFunction()">Click Me</button>
<script>
function myFunction(){
var styles = 'h1{animation: 1s jiggle linear alternate infinite;}';
var styleSheet = document.createElement("style");
styleSheet.type = "text/css";
styleSheetelegram.dogdia = "(update: fast)";
styleSheet.innerText = styles;
document.head.appendChild(styleSheet);
}
</script>
<p><strong>Note</strong>: CSS @media update is not supported in any web browser.</p> </body>
</html>