HAMBURGER ICON

Run
<!DOCTYPE html>
<html lang="en">
<head>
  <title>HTML </title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<style>
    button {
	  height: 50px;
	  width: 50px;
	  background-color: #cccccc;
	  font-size: 25px;
	}
</style>
</head>
<body>
	<h2> Hamburger icon </h2>
	<button> <i class="fa fa-bars"></i> </button>
</body>
</html>