<nav class="navbar navbar-expand-lg navbar-light bg-light shaow-sm ">
<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="collapse navbar-collapse px-5" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item d-flex">
<a class="nav-link text-dark font-weight-bold" href="index.php">System</a>
</li>
</ul>
<ul class="navbar-nav">
<li class=' nav-item'>
<div class="dropdown">
<button class="btn dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="false"
style='background-color: #2F4F4F !important; color: white !important;'>
<img src="asset/image/userr.png" alt="" style='width: 30px'>
My account
</button>
<div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
<a class="dropdown-item" href="login.php?clear=true">
<img src="asset/image/logout.png" alt="" style='width: 20px'>
Logout</a>
</div>
</div>
</li>
</ul>
</div>
</nav>