«Панель поиска» не перемещается с правой стороны, даже когда я использую «d-flex justify-content-end»?

<!-- Bootstrap CSS -->
<link href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" rel = "stylesheet"/>
  
<nav class = "navbar navbar-expand-lg navbar-dark bg-primary fixed-top">
    <div class = "container">
        <a class = "navbar-brand" href = "#">Navbar</a>
        <button class = "navbar-toggler" data-bs-toggle = "collapse" data-bs-target = "#expandme">
            <span class = "navbar-toggler-icon"></span>
        </button>
        <div class = "collapse navbar-collapse" id = "expandme">
            <div class = "navbar-nav">
                <a href = "#Home" class = "nav-item nav-link">Home</a>
                <a href = "#About" class = "nav-item nav-link">About</a>
                <a href = "#Contact" class = "nav-item nav-link">Contact</a>
            </div>
        </div>
        <form class = "d-flex justify-content-end">
            <input class = "form-control mx-2" type = "search" placeholder = "Search" aria-label = "Search">
            <button class = "btn btn-outline-light" type = "submit">Search</button>
        </form>
    </div>
</nav>