.navbar-brand styles code example

Example 1: bootstrap navbar fixed top

<section id="headnev" class="navbar navbar-fixed-top">

Example 2: navbar bootstrap 4

<!-- Just an image -->
<nav class="navbar navbar-light bg-light">
  <a class="navbar-brand" href="#">
    <img src="/docs/4.0/assets/brand/bootstrap-solid.svg" width="30" height="30" alt="">
  </a>
</nav>