Navbar hamburger open by default on mobile

could you show me your code in snippet project please ?

best, tomek

<nav class="navbar fixed-top navbar-expand-lg scrolling-navbar navbar-light white" id="top-nav">
      <a class="navbar-brand ml-md-5" href="URL">
      <img alt="Logo" style="width: 200px;" src="URL">
      </a>
     <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
     <span class="navbar-toggler-icon"></span>
    </button>
 <div class="navbar-collapse justify-content-end" id="navbarSupportedContent">
    <ul class="navbar-nav">
        <li class="nav-item mr-3">
            <a class="nav-link" href="URL">Forside</a>
        </li>

        <li class="nav-item mr-3 dropdown">
            <a class="nav-link dropdown-toggle" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true"
            aria-expanded="true">Ydelser
            </a>
            <div class="dropdown-menu dropdown-primary" aria-labelledby="navbarDropdownMenuLink">

                @if(!$services->isEmpty())

                    @foreach($services as $service)

                        <a class="dropdown-item" href="URL">{{ $service->name }}</a>

                    @endforeach

                @endif

            </div>
        </li>
        <li class="nav-item mr-3">
            <a class="nav-link" href="URL">Referencer</a>
        </li>
        <li class="nav-item mr-5">
            <a class="nav-link" href="URL">Om os</a>
        </li>
    </ul>
  </div>
 </nav>