I am facing an issue with my menu icon not working properly on mobile devices or when I try to inspect the page and run it on a responsive device. How can I resolve this problem so that users can click on the menu icon to view the navigation items?
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Home</title>
<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="50323f3f24232422312010657e637e607d313c20383161">[email protected]</a>/dist/css/bootstrap.min.css"
rel="stylesheet" integrity="sha384-GLhlTQ8iRABdZLl6O3oVMWSktQOp6b7In1Zl3/Jr59b6EGGoI1aFkw7cmDA6j6gD"
crossorigin="anonymous">
</head>
<style>
.navbar-brand h1{
font: small-caps bolder 50px/1 sens-serif;
color: dodgerblue;
}
h2{
font: italic 1.2rem "Fira Sans" sens-serif;
color: black;
}
</style>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<div class="container">
<a class="navbar-brand" href="#"><h1>Pondadb</h1></a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav ms-auto">
<li class="nav-item active">
<a class="btn btn-success mx-lg-2 mx-0 my-lg-0 my-2" href="{% url 'About' %}">About</a>
</li>
<li class="nav-item">
<a class="btn btn-success mx-lg-2 mx-0 my-lg-0 my-2" href="{% url 'Register' %}">Register</a>
</li>
<li class="nav-item">
<a class="btn btn-success mx-lg-2 mx-0 my-lg-0 my-2" href="#">Pricing</a>
</li>
</ul>
</div>
</div>
</nav>
<br>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="fc9f938e99bcced2cdcdd2ca">[email protected]</a>/dist/umd/popper.min.js" integrity="sha384-oBqDVmMz9ATKxIep9tiCxS/Z9fNfEXiDAYTujMAeBAsjFuCZSmKbSSUnQlmh/jp3" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c3a1acacb7b0b7b1a2b383f6edf0edf3eea2afb3aba2f2">[email protected]</a>/dist/js/bootstrap.min.js" integrity="sha384-mQ93GR66B00ZXjt0YO5KlohRA5SY2XofN4zfuZxLkoj1gXtW8ANNCe9d5Y3eG5eD" crossorigin="anonymous"></script>
</body>
</html>