ght" type="button" data-toggle="collapse" data-target="#navbarPrimarySupportedContent" aria-controls="navbar2SupportedContent" aria-expanded="false"
        aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span> </button>
      <div class="collapse navbar-collapse text-center justify-content-end" id="navbarPrimarySupportedContent">
        <ul class="navbar-nav">
          <li class="nav-item"> <a class="nav-link" href="#"> Nav item</a> </li>
        </ul> <a class="btn navbar-btn m