Example
Markup
<nav class="sidebar">
  <div class="sidebar__icon">
    <a href="mailto:info@mimacom.com"><i class="icon-sidebar_mail"></i></a>
  </div>
  <div class="sidebar__icon">
    <i class="icon-sidebar_phone"></i>
    <div class="sidebar__dropout sidebar__dropout--text">
        <h3 class="sidebar__dropout-title">OFFICE BERN</h3>
        <p>Phone: +41 31 329 09 00<br>
           Fax: +41 31 329 09 01</p>
        <p class="sidebar__dropout-title">Service Desk</p>
        <p>Phone: +41 31 329 09 02</p>
        <a href="#!" class="link link--outline">Alle Standorte anzeigen</a>
    </div>
  </div>
  <div class="sidebar__icon">
    <i class="icon-sidebar_social"></i>
    <div class="sidebar__dropout sidebar__dropout--icons">
      <a href="#!" class="sidebar__dropout-icon"><i class="icon-sidebar_social_twitter"></i></a>
      <a href="#!" class="sidebar__dropout-icon"><i class="icon-sidebar_social_linkedin"></i></a>
      <a href="#!" class="sidebar__dropout-icon"><i class="icon-sidebar_social_facebook"></i></a>
    </div>
  </div>
  <div class="sidebar__icon sidebar__icon--lang-toggle visible-xs">
    <a href="#" class="dropdown-toggle" data-toggle="lang-switch-mobile" role="button" aria-haspopup="true" aria-expanded="false">DE</a>
    <div class="sidebar__dropout sidebar__dropout--icons">
      <a href="#" class="sidebar__dropout-icon">DE</a>
      <a href="#" class="sidebar__dropout-icon">EN</a>
      <a href="#" class="sidebar__dropout-icon">ES</a>
    </div>
  </div>
</nav>
<nav class="navbar navbar-default">
  <div class="container-fluid">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="#"><span class="mimacom-logo" title="mimacom"></span></a>
    </div>
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#">Services</a></li>
        <li><a href="#">Solutions</a></li>
        <li><a href="#">References</a></li>
        <li><a href="#">Insights</a></li>
        <li class="active"><a href="#">Career <span class="sr-only">(current)</span></a></li>
        <li><a href="#">About</a></li>
        <li class="dropdown hidden-xs">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">DE<span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">DE</a></li>
            <li><a href="#">EN</a></li>
            <li><a href="#">ES</a></li>
          </ul>
        </li>
      </ul>
    </div>
  </div>
</nav>
Source: scss/components/structure/_structure-responsive.scss, line 1
Example

Example is position:fixed, see at the top of your screen.

Markup
<nav class="sidebar sidebar--fixed">
  <div class="sidebar__icon">
    <a href="mailto:info@mimacom.com"><i class="icon-sidebar_mail"></i></a>
  </div>
  <div class="sidebar__icon">
    <i class="icon-sidebar_phone"></i>
    <div class="sidebar__dropout sidebar__dropout--text">
        <h3 class="sidebar__dropout-title">OFFICE BERN</h3>
        <p>Phone: +41 31 329 09 00<br>
           Fax: +41 31 329 09 01</p>
        <p class="sidebar__dropout-title">Service Desk</p>
        <p>Phone: +41 31 329 09 02</p>
        <a href="#!" class="link link--outline">Alle Standorte anzeigen</a>
    </div>
  </div>
  <div class="sidebar__icon">
    <i class="icon-sidebar_social"></i>
    <div class="sidebar__dropout sidebar__dropout--icons">
      <a href="#!" class="sidebar__dropout-icon"><i class="icon-sidebar_social_twitter"></i></a>
      <a href="#!" class="sidebar__dropout-icon"><i class="icon-sidebar_social_linkedin"></i></a>
      <a href="#!" class="sidebar__dropout-icon"><i class="icon-sidebar_social_facebook"></i></a>
    </div>
  </div>
  <div class="sidebar__icon sidebar__icon--lang-toggle visible-xs">
    <a href="#" class="dropdown-toggle" data-toggle="lang-switch-mobile" role="button" aria-haspopup="true" aria-expanded="false">DE</a>
    <div class="sidebar__dropout sidebar__dropout--icons">
      <a href="#" class="sidebar__dropout-icon">DE</a>
      <a href="#" class="sidebar__dropout-icon">EN</a>
      <a href="#" class="sidebar__dropout-icon">ES</a>
    </div>
  </div>
</nav>
<nav class="navbar navbar-default navbar-fixed-top">
  <div class="container-fluid">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-2" aria-expanded="false">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="#"><span class="mimacom-logo" title="mimacom"></span></a>
    </div>
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-2">
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#">Services</a></li>
        <li><a href="#">Solutions</a></li>
        <li><a href="#">References</a></li>
        <li><a href="#">Insights</a></li>
        <li class="active"><a href="#">Career <span class="sr-only">(current)</span></a></li>
        <li><a href="#">About</a></li>
        <li class="dropdown hidden-xs">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">DE<span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">DE</a></li>
            <li><a href="#">EN</a></li>
            <li><a href="#">ES</a></li>
          </ul>
        </li>
      </ul>
    </div>
  </div>
</nav>
<p class="kss-description">Example is <code>position:fixed</code>, see at the top of your screen.</p>
Source: scss/components/structure/_structure-responsive.scss, line 169