Although the navbar functions properly on larger screens, it collapses back after pressing the collapse icon when viewed on a mobile screen.
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body style="background-color: #7e9094;">
<nav style="background-color: #213239;" class="navbar navbar-expand-lg navbar-dark">
<a class="navbar-brand active" href="index.html">Home</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarText" aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation"><span class="navbar-toggler-icon"></span></button>
<div class="collapse navbar-collapse" data-target="#demo" id="navbarText">
<ul class="navbar-nav" id="demo">
<li class="nav-item">
<a class="nav-link" href="shop/shop.html">Shop</a>
</li>
<li class="nav-item">
<a class="nav-link" href="projects/projects.html">Projects</a>
</li>
</ul>
<span class="navbar-text"><a class="nav-link" href="index.html"><img style="float: right;" width="10%" src="img/image.img"></a></span>
</div>
</nav>
</body>
</html>