bootstrap navbar

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<nav class="navbar navbar-expand-lg navbar-light bg-light sb-navbar">
  <div class="container">
    <a class="navbar-brand" data-toggle="collapse" data-target="#navbarSupportedContent"
      aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
      <span class="ml-1">Start Bootstrap</span>
    </a>
    <div class="navbar-collapse collapse" id="navbarSupportedContent">
      <ul class="navbar-nav mr-auto pt-3 pt-lg-0">
        <li class="nav-item">
          <a class="nav-link" routerLink="/">Home</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" routerLink="/item">Product</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" routerLink="/about">About Us</a>
        </li>
      </ul>
    </div>
    <div class="avatar-image">
    </div>
  </div>
</nav>

CSS

.avatar-image {
    background-image: url('https://avatars.servers.getgo.com/2205256774854474505_medium.jpg');
    background-size: cover;
    height: 40px;
    width: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}