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<html lang="en"><head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css"> <script src="https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.slim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script> <style> body { position: relative; } ul.nav-pills { top: 20px; position: fixed; } div.col-8 div { height: 500px; } </style></head><body data-spy="scroll" data-target="#myScrollspy" data-offset="1"><div class="container-fluid"> <div class="row"> <nav class="col-sm-3 col-4" id="myScrollspy">