f %}" target="_blank" href="https://mavlink.io/en/">MAVLink</a>
                        <a class="nav-link {% if current_page == 'mavproxy' %}active{% endif %}" target="_blank" href="https://ardupilot.org/mavproxy/">MAVProxy</a>
                        <a class="nav-link {% if current_page == 'ardupilot' %}active{% endif %}" target="_blank" href="https://ardupilot.org/ardupilot/">ArduPilot</a>
                        <a class="nav-link {% if current_page == 'arducopter' %}active{% endif %}" target="_blank" 