down-item" href="/software/cloud/"><span class="fas fa-hdd fa-fw"></span> Self-Hosted Cloud Server</a>
          </span>
        </details>

        <!-- OS -->
        <details class="nav-details">
          <summary>
            <span class="nav-summary">
              OS
              <span class="dropdown-toggle"></span>
            </span>
          </summary>
          <span class="nav-dropdown">
            <a class="dropdown-item" href="/operating-systems"><span class="fas fa-th-large fa-fw"></span>