          <button id="bulkLightnessButton" onclick="addLightnessBulk()"
                            class="spectrum-ActionButton spectrum-ActionButton--sizeM  spectrum-ActionGroup-item">
                            <svg xmlns:xlink="http://www.w3.org/1999/xlink" class="spectrum-Icon spectrum-Icon--sizeS"
                                focusable="false" aria-hidden="true" aria-label="Import from colors">
                                <use xlink:href="#spectrum-icon-18-BoxAdd" />
                          