  <nav class="navbar navbar-expand navbar-dark bg-dark static-top">

    <a class="navbar-brand mr-1" href="index.php">Tsakane</a>

    <button class="btn btn-link btn-sm text-white order-1 order-sm-0" id="sidebarToggle" href="#">
      <i class="fas fa-bars"></i>
    </button>

    <!-- Navbar Search -->
    <!--<form class="d-none d-md-inline-block form-inline ml-auto mr-0 mr-md-3 my-2 my-md-0" action="search_clientes.php" method="post">-->
    <!--  <div class="input-group">-->
    <!--    <input type="text" name="pesquisar" class="form-control" placeholder="Pesquisar clientes..." aria-label="Search" aria-describedby="basic-addon2" required/>-->
    <!--    <div class="input-group-append">-->
    <!--      <button class="btn btn-primary" type="submit" name="search">-->
    <!--        <i class="fas fa-search"></i>-->
    <!--      </button>-->
    <!--    </div>-->
    <!--  </div>-->
    <!--</form>-->

    <!-- Navbar -->
    <ul class="navbar-nav ml-auto ml-md-0">
            
      <li class="nav-item dropdown no-arrow">
        <a class="nav-link dropdown-toggle" href="#" id="userDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          <i class="fas fa-user-circle fa-fw"></i>
        </a>
        <div class="dropdown-menu dropdown-menu-right" aria-labelledby="userDropdown">
          <a class="dropdown-item" href="#">Definicoes</a>
                   <div class="dropdown-divider"></div>
          <a class="dropdown-item" href="#" data-toggle="modal" data-target="#logoutModal">Sair</a>
        </div>
      </li>
    </ul>

  </nav>