message: Fixed: Change transition property to specific value.
diff: height: 70%;
  color: var(--color-text-anchorLight);
  cursor: pointer;
  - transition: all 0.1s linear;
  + transition: height 0.1s linear;
  }
  .Numberinput__handlerButton:active {
  background-color: var(--color-basic-lightGray);
  - transition: all 0.1s linear;
  + transition: background-color 0.1s linear;
  }
  .Numberinput__handlerButton:first-child {
  