<div class="container mr-5">
    <div class="collapse navbar-collapse " id="navbarSupportedContent">
      <ul class="navbar-nav mr-auto">
        <li class="nav-item">
          <a href="#" class="nav-link">Funciones</a>
        </li>
        <li class="nav-item">
          <a href="#" class="nav-link">Precios</a>
        </li>
        <li class="nav-item">
          <a href="#" class="nav-link">Casos de usos</a>
        </li>
        <li class="nav-item">
           <a href="#" class="nav-link">Reservar una demo</a>
        </li>
        <li class="nav-item dropdown">
            <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
              Dropdown
            </a>
            <div class="dropdown-menu" aria-labelledby="navbarDropdown">
              <a class="dropdown-item" href="#">Action</a>
              <a class="dropdown-item" href="#">Another action</a>
            </div>
          </li>
      </ul>
      <ul class="navbar-nav ml-auto">
        <li class="nav-item">
          <a class="nav-link text-dark" href="#seccion1">Login</a>
        </li>
        <li class="nav-item">
            <button type="button" class="btn btn-outline-success">Registrate</button>
        </li>
      </ul>
    </div>
  </div>