message: fix(theme): fix timeline transition
diff: font-size: 16px;
  line-height: 30px;
  +
  + transition: color var(--color-transition),
  + font-size var(--transform-transition);
  }
  .timeline-item {
  .timeline-title {
  color: var(--theme-color);
  font-size: 18px;
  - transition: color var(--color-transition),
  - font-size var(--transform-transition);
  }
  }
  }
  