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<!DOCTYPE html> <html> <head> <title>Bootstrap5 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script> </head> <body style="height:1500px"> <nav class="navbar navbar-expand-sm bg-dark navbar-dark fixed-bottom"> <a class="navbar-brand" href="#">Logo</a> <ul class="navbar-nav"> <li class="nav-item"> <a class="nav-link" href="javascript:void(0)">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="javascript:void(0)">Link</a> </li> </ul> </nav> <div class="container-fluid"> <h3>底部固定导航栏</h3> <p>导航栏可以固定在头部或者底部。</p> <h1>滚动页面查看效果。</h1> </div> </body> </html>
运行结果：