.block--knob-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

scroll-animation.block--knob-inner {
  transform-origin: center;
  transform: rotate(calc(var(--scroll) * 1deg));
}

scroll-animation.block--knob-inner.reverse {
  transform: rotate(calc(var(--scroll) * -1deg));
}