message: Updated: According to BEM.
diff: width: 0;
  height: 0;
  }
  +
  .Slider__knobInner {
  position: absolute;
  top: -7px;
  display: block;
  }
  -.Slider__container:hover .Slider__rail {
  +.Slider__rail--active {
  background-color: var(--color-bg-tertiary);
  }
  -.Slider__container:hover .Slider__track {
  +.Slider__track--active {
  background-color: var(--color-bg-success);
  }
  -.Slider__container:hover .Slider__knobInner {
  +.Slider__knobInner--active {
  border-color: var(--color-bg-success);
  }
  