message: Change the background from gray to white on the Metrics Settings display dropdown.
diff: @@ -12,6 +12,7 @@ import {
  prettyLabelValues,
  combineLabelsSettings
  } from 'components/Metrics/Helper';
  +import { PfColors } from '../Pf/PfColors';
  interface Props {
  onChanged: (state: MetricsSettings) => void;
  @@ -122,7 +123,7 @@ export class MetricsSettingsDropdown extends React.Component<Props, State> {
  >
  {/* TODO: Remove the class="pf-c-dropdown__menu-item" attribute which is fixing a sizing issue in PF.
  * https://github.com/patternfly/patternfly-react/issues/3156 */}
  - <div style={{ paddingLeft: '10px' }} className="pf-c-dropdown__menu-item">
  + <div style={{ paddingLeft: '10px', backgroundColor: PfColors.White }} className="pf-c-dropdown__menu-item">
  {hasLabels && this.renderLabelOptions()}
  {hasHistograms && this.renderHistogramOptions()}
  </div>
  