osem-fcy/_includes/clients.html

<!-- Clients Aside -->
    <aside class="clients">
        <div class="container">
            <div class="row">
                <div class="col-md-12">
                    <div class="ribbon">
                        <h4 class="text-center text-muted">
                          <span>Used by</span>
                        </h4>
                    </div>
                </div>
            </div>
            <div class="row row-center">
                <div class="col-md-3 col-sm-6">
                    <a href="https://www.opensuse.org/">
                        <img src="img/logos/opensuse.png" class="img-responsive img-centered" alt="">
                    </a>
                </div>
                <div class="col-md-3 col-sm-6">
                    <a href="https://www.gnome.org/">
                        <img src="img/logos/gnome.png" class="img-responsive img-centered" alt="">
                    </a>
                </div>
                <div class="col-md-3 col-sm-6">
                    <a href="https://owncloud.org/">
                        <img src="img/logos/owncloud.png" class="img-responsive img-centered" alt="">
                    </a>
                </div>
                 <div class="col-md-3 col-sm-6">
                    <a href="https://pgconf.us/">
                        <img src="img/logos/pgconf.png" class="img-responsive img-centered" alt="">
                    </a>
                </div>
                <div class="col-md-3 col-sm-6">
                   <a href="https://lfnw.org/">
                       <img src="img/logos/linuxfest-northwest.png" class="img-responsive img-centered" alt="LinuxFest Northwest">
                   </a>
               </div>
            </div>
        </div>
    </aside>