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<!DOCTYPE html> <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://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> <style> /* Note: Try to remove the following lines to see the effect of CSS positioning */ .affix { top: 20px; z-index: 9999 !important; } </style> </head> <body> <div class="container-fluid" style="background-color:#2196F3;color:#fff;height:200px;"> <h1>Bootstrap Affix Example</h1> <h3>Fixed (sticky) vertical sidenav on scroll</h3> <p>Scroll this page to see how the left navigation menu behaves with data-spy="affix".</p> <p><strong>The left menu sticks to the page when you have scrolled a specified amount of pixels.</strong></p> </div> <br> <div class="container"> <div class="row"> <nav class="col-sm-3"> <ul class="nav nav-pills nav-stacked" data-spy="affix" data-offset-top="205"> <li class="active"><a href="#section1">Section 1</a></li> <li><a href="#section2">Section 2</a></li> <li><a href="#section3">Section 3</a></li> </ul> </nav> <div class="col-sm-9"> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> <h1>Some text to enable scrolling</h1> </div> </div> </div> </body> </html>
