<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<meta http-equiv='X-UA-Compatible' content='IE=edge'>
<meta name='viewport' content='width=device-width, initial-scale=1.0'>
<title></title>
<style>
* { box-sizing: border-box; }
main {
background: #000;
}
.class {
width: clamp(400px, 800px, 1200px);
}
</style>
</head>
<body>
<div id="whatever">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Cupiditate
hic possimus libero veritatis officia. Voluptatum fuga non quibusdam
mollitia dolorum veritatis! Iure obcaecati facere quidem?
</div>
<script>
const whatever = document.getElementById('whatever');
function doSomething() {
blah baak;
}
</script>
</body>
</html>