lse" aria-controls="secondaryToolbar">
                <span data-l10n-id="tools_label">Tools</span>
              </button>
            </div>
            <div id="toolbarViewerMiddle">
              <div class="splitToolbarButton">
                <button id="zoomOut" class="toolbarButton zoomOut" title="Zoom Out" tabindex="21"
                  data-l10n-id="zoom_out">
                  <span data-l10n-id="zoom_out_label">Zoom Out</span>
                </button>
                <div class="splitToolbarB