header.php

<header class="banner navbar navbar-default navbar-static-top" role="banner">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
        <span class="sr-only">Toggle navigation</span>
        <i id="toggle-menu"></i>
      </button>
      <a class="navbar-logo" href="<?php echo esc_url(home_url('/')); ?>">
      <picture>
        <!--[if IE 9]><video style="display: none;"><![endif]-->
        <source srcset="<?php bloginfo('template_directory'); ?>/assets/img/logo.png, <?php bloginfo('template_directory'); ?>/assets/img/logo@2x.png 2x">
        <!--[if IE 9]></video><![endif]-->
        <img srcset="<?php bloginfo('template_directory'); ?>/assets/img/logo.png, <?php bloginfo('template_directory'); ?>/assets/img/logo@2x.png 2x" alt="Colony American Finance" class="img-responsive logo">
      </picture>
      </a>
    </div>

    <nav class="collapse navbar-collapse" role="navigation">
      <button type="button" class="btn btn-tertiary header-cta">
        <a href="tel:844-223-3995" class="tel">844-223-3995</a>
      </button>
      <?php
        if (has_nav_menu('primary_navigation')) :
          wp_nav_menu(array('theme_location' => 'primary_navigation', 'walker' => new Roots_Nav_Walker(), 'menu_class' => 'nav navbar-nav'));
        endif;
      ?>
    </nav>
  </div>
</header>