message: feat(nav-bar-functionality): Highlight expanded part of nav
diff: @@ -237,6 +237,26 @@ div.insights-file-issue-details-dialog-container {
  min-height: 0;
  &.reflow-ui {
  grid-template-columns: $detailsViewReflowLeftNavWidth 1fr;
  +
  + .left-nav,
  + .test-step-nav {
  + .ms-Nav-compositeLink {
  + &.is-selected {
  + a {
  + background-color: $communication-tint-20;
  + }
  + }
  + &.is-expanded,
  + &.is-expanded + ul {
  + background-color: $communication-tint-40;
  + .index-circle {
  + color: $neutral-0;
  + background: $index-circle-background;
  + border-color: $neutral-0;
  + }
  + }
  + }
  + }
  }
  .details-view-test-nav-area {
  box-sizing: border-box;
  