​

  <nav class="navbar navbar-expand-lg navbar-dark primary-color">

​

    <a class="navbar-brand" href="#">Navbar</a>

​

    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#basicExampleNav"

      aria-controls="basicExampleNav" aria-expanded="false" aria-label="Toggle navigation">

      <span class="navbar-toggler-icon"></span>

    </button>

​

    <div class="collapse navbar-collapse" id="basicExampleNav">

​

      <ul class="navbar-nav mr-auto">

        <li class="nav-item active">

          <a class="nav-link" href="#">Home

            <span class="sr-only">(current)</span>

          </a>

        </li>

        <li class="nav-item">

          <a class="nav-link" href="#">Features</a>

        </li>

        <li class="nav-item">

          <a class="nav-link" href="#">Pricing</a>

        </li>

​

        <li class="nav-item dropdown">

          <a class="nav-link dropdown-toggle" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true"

            aria-expanded="false">Dropdown</a>

          <div class="dropdown-menu dropdown-primary" data-dropdown-in="flipInY" data-dropdown-out="flipOutY"

            aria-labelledby="navbarDropdownMenuLink">

            <a class="dropdown-item" href="#" onclick="{console.log('action')}">Action</a>

            <a class="dropdown-item" href="#">Another action</a>

            <a class="dropdown-item" href="#">Something else here</a>

          </div>

        </li>

​

      </ul>

​

      <form class="form-inline">

        <div class="md-form my-0">

          <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">

        </div>

      </form>

    </div>

​

  </nav>

​

  <div class="container mt-5">

    <div class="row">

      <div class="col">

        <div class="dropdown">

          <button class="btn btn-danger dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown"

            aria-haspopup="true" aria-expanded="false">Bounce it</button>

          <div class="dropdown-menu dropdown-primary" id="menu1" data-dropdown-in="bounceIn"

            data-dropdown-out="bounceOut">

            <a class="dropdown-item" href="#">Action</a>

            <a class="dropdown-item" href="#">Another action</a>

            <a class="dropdown-item" href="#">Something else here</a>

            <a class="dropdown-item" href="#">Something else here</a>

          </div>

        </div>

      </div>

​

      <div class="col">

        <div class="dropdown">

          <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown"

            aria-haspopup="true" aria-expanded="false">fade down</button>

          <div class="dropdown-menu dropdown-primary" id="menu2" data-dropdown-in="fadeInDown"

            data-dropdown-out="fadeOutUp">

            <a class="dropdown-item" href="#">Action</a>

            <a class="dropdown-item" href="#">Another action</a>

            <a class="dropdown-item" href="#">Something else here</a>

            <a class="dropdown-item" href="#">Something else here</a>

          </div>

        </div>

      </div>

​

      <div class="col">

        <div class="dropdown">

          <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown"

            aria-haspopup="true" aria-expanded="false">flip it</button>

          <div class="dropdown-menu dropdown-primary" id="menu3" data-dropdown-in="flipOutY"

            data-dropdown-out="flipOutX">

            <a class="dropdown-item" href="#">Action</a>

            <a class="dropdown-item" href="#">Another action</a>

            <a class="dropdown-item" href="#">Something else here</a>

            <a class="dropdown-item" href="#">Something else here</a>

          </div>

        </div>

      </div>

​

    </div>

  </div>