>
                                <label for="orthographic-bottom">bottom</label>
                                <input id="orthographic-bottom" type="range" min="-5" max="-0.1" step="0.1" value="-2">
                            </div>
                            <div class="control-item">
                                <label for="orthographic-top">top</label>
                                <input id="orthographic-top" type="range" min="0.1" max="5" step="0.1" value="2">
                            </di