title: bootstrap 4 nav doesn't display hamburger on resize
body: <p>I've figured how to align the menu items to the right, but when resized the navbar-toggler doesnt appear.</p>
  
  <p>Code:</p>
  
  <pre><code>&lt;nav class="navbar navbar-toggleable-md"&gt;
      &lt;a asp-controller="Home" asp-action="Index" class="navbar-brand"&gt;
          &lt;img class="brand_img" src="/Graphic/logo.jpg" style="margin-left:-1px;margin-right:6px;" /&gt;
          &lt;span class="brand_name"&gt;Lundbeck Consulting&lt;/span&gt;
      &lt;/a&gt;
      &lt;button type="button" class="navbar-toggler navbar-toggler-right" data-toggle="collapse" data-target="#navbarFullCollapse" &gt;
          &lt;span class="navbar-toggler-icon"&gt;&lt;/span&gt;
      &lt;/button&gt;
      &lt;div class="collapse navbar-collapse justify-content-end" id="navbarFullCollapse"&gt;
          &lt;div class="nav navbar-nav"&gt;
              &lt;a class="nav-item nav-link navbar_item" asp-controller="Home" asp-action="About"&gt;Om LC&lt;/a&gt;
              &lt;a class="nav-item nav-link navbar_item" asp-controller="Project" asp-action="Index"&gt;Prosjekter&lt;/a&gt;
              &lt;a class="nav-item nav-link navbar_item" asp-controller="Home" asp-action="Contact"&gt;Kontakt&lt;/a&gt;
          &lt;/div&gt;
      &lt;/div&gt;
  &lt;/nav&gt;
  </code></pre>
  
  <p>Please see <a href="http://core.lundbeckconsulting.no/" rel="nofollow noreferrer">http://core.lundbeckconsulting.no</a> for demo</p>
  
  <p>thanks in advance!</p>