mobilde navbar üç cizgiye tıklayınca acılmıyor
<div class="navbar-header bgımage">
<nav class="navbar navbar-expand-lg navbar-light ">
<a class="navbar-brand text-white logom2" href="#"> <img class="logo"src="image/Logom.png"> </a>
<button class="navbar-toggler " type="button" data-toggle="collapse " data-target="#navbarNav" aria-controls="navbarNav " aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon justify-content-end"></span>
</button>
<div class="collapse navbar-collapse justify-content-end menu" id="navbarNav">
<ul class="navbar-nav ">
<li class="nav-item ">
<a class="nav-link text-white " href="#">ANASAYFA </a>
</li>
<li class="nav-item">
<a class="nav-link text-white" href="#">HAKKIMIZDA</a>
</li>
<li class="nav-item">
<a class="nav-link text-white" href="#">PROJELER</a>
</li>
<li class="nav-item">
<a class="nav-link text-white" href="#">İLETİŞİM</a>
</li>
</ul>
</div>
</nav>
