<html>
<head>
<style>
::marker {
font-size: 20px;
color: red;
}
</style>
</head>
<body>
<h1>Demo of ::marker</h1>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ul>
<ol>
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ol>
</body>
</html>