.scroll-up {
  right: 24px;
  bottom: 24px;
  z-index: 20;
  width: 56px;
  height: 56px;
  display: grid;
  position: fixed;
  border-radius: 28px;
  place-items: center;
  background: rgba(24, 24, 24, 0.9);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.scroll-up__icon {
  width: 48px;
  height: 48px;
  fill: var(--accent);
}