<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
	
	
	<button popovertarget="menu">Menu button</button>
	
	<div id="menu" popover>
		<a href="">Item 1</a>
		<a href="">Another Item 2</a>
		<a href="">Very long long long Item 3</a>
	</div>

</body>
</html>