            </calcite-option-group>
            <calcite-option-group label="unselectables" disabled>
              <calcite-option>You-Know-Who</calcite-option>
              <calcite-option selected>Tom Marvolo Riddle</calcite-option>
              <calcite-option>He-Who-Must-Not-Be-Named</calcite-option>
              <calcite-option>Voldemort</calcite-option>
            </calcite-option-group>
          </calcite-select>
        </div>

        <div class="child">
          <calcite-select label="calci