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<!DOCTYPE html>
<html>
<head>
<style>
ul li::marker {
  content: "@ ";
  color: pink;
  font-size: 25px;
}
</style>
</head>
<body>
<h1>Demo of ::marker</h1>
<ul>
  <li>Coffee</li>
  <li>Tea</li>
  <li>Milk</li>
</ul>
</body>
</html>