Mobile menu in Bootstrap failing to show up

Hello, I am creating a website using Bootstrap and I am encountering an issue with the hamburger menu not appearing when I resize the screen. Here is the code I am using:

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="f6949999828582849786b6c3d8c7d8c5">[email protected]</a>/dist/css/bootstrap.min.css" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">

<nav class="navbar navbar-expand-lg">
  <div class="container-fluid">
    <a class="navbar-brand" href="#">Hello world</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#toggleMobileMenu" aria-controls="toggleMobileMenu" aria-expanded="false" aria-lable="Toggle Navigation">
      <span class = "navbar-toggler-icon"></span>
      </button>
    <div class="collapse navbar-collapse" id="toggleMobileMenu">
      <ul class="navbar-nav ms-auto">
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">About us</a>
        </li>
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">Pricing</a>
        </li>
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">Contact</a>
        </li>
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">Book</a>
        </li>
      </ul>
    </div>
  </div>
</nav>

<script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="1f7d70706b6c6b6d7e6f5f2a312e312c">[email protected]</a>/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
htmlcssbootstrap-5

Answer №1

The toggle button's background is specified by the navbar-light class. Make sure to add this class to the nav element.

When using navbars, remember to wrap them in a .navbar element with .navbar-expand{-sm|-md|-lg|-xl|-xxl} for responsive collapsing and color scheme classes.

https://getbootstrap.com/docs/5.1/components/navbar/#how-it-works

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d8bab7b7acabacaab9a898edf6e9f6eb">[email protected]</a>/dist/css/bootstrap.min.css" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">

<nav class="navbar navbar-light navbar-expand-lg">
  <div class="container-fluid">
    <a class="navbar-brand" href="#">Hello world</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#toggleMobileMenu" aria-controls="toggleMobileMenu" aria-expanded="false" aria-lable="Toggle Navigation">
      <span class = "navbar-toggler-icon"></span>
      </button>
    <div class="collapse navbar-collapse" id="toggleMobileMenu">
      <ul class="navbar-nav ms-auto">
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">About us</a>
        </li>
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">Pricing</a>
        </li>
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">Contact</a>
        </li>
        <li class="nav-item">
          <a class="nav-link link-dark" href="#">Book</a>
        </li>
      </ul>
    </div>
  </div>
</nav>

<script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d3b1bcbca7a0a7a1b2a393e6fde2fde0">[email protected]</a>/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>

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