CSS aspect-ratio property example at PNLdev

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<!DOCTYPE html>
<html>
<head>
<style>
div {
    background-color: green;
    width: 200px;
    aspect-ratio: 3/2;
}
</style>
</head>
<body>
    <h3>aspect-ratio property example</h3>
    <div>green</div>
    <p>Aspect ratio is width/height.</p>
</body>
</html>