discourse/app/assets/stylesheets/common/select-kit/category-chooser.scss

.select-kit {
  &.combo-box {
    &.category-chooser {
      width: 300px;

      .select-kit-row {
        display: flex;
        align-items: flex-start;
        flex-direction: column;

        &.none {
          .topic-count {
            display: none;
          }
        }

        .topic-count {
          font-size: var(--font-down-1);
          color: var(--primary-medium);
          white-space: nowrap;
          margin-left: 0.5em;
          font-weight: normal;
        }

        .category-status {
          color: var(--primary);
          line-height: var(--line-height-large);
          flex: 1 1 auto;
        }

        .category-desc {
          flex: 1 1 auto;
          font-size: var(--font-down-1);
          line-height: var(--line-height-large);
        }
      }
    }
  }
}