/label>
              <div class="hint">Pie & Doughnut use a single numeric column.</div>
            </div>
          </section>

          <section class="section" id="appearanceSection">
            <h3>3) Appearance</h3>
            <div id="perDatasetColors" class="row" style="display:none;">
              <label>Dataset colors</label>
              <div id="datasetColors" class="dataset-list"></div>
            </div>
            <div id="piePaletteRow" class="row" style="display:none;">
             