<html>
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-6 offset-md-3">
<div class="card">
<div class="card-body">
<h5 class="card-title">QR Code</h5>
<p class="card-text">
<img src="https://chart.googleapis.com/chart?chs=150x150&cht=qr&chl=https://www.example.com" alt="QR Code">
</p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
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