<!-- HTML Structure -->

<nav class="navbar navbar-expand-lg navbar-light bg-light">

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

  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">

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

  </button>

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

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

      <li class="nav-item">

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

      </li>

      <li class="nav-item">

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

      </li>

      <li class="nav-item">

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

      </li>

    </ul>

    <form class="form-inline my-2 my-lg-0">

      <input class="form-control mr-sm-2" type