.scroll-to-top-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  font-size: 17px;
  background-color: var(--color-bg-brand-solid);
  color: #ffffff;
  border-radius: 50%;
  text-decoration: none;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.scroll-to-top-fab.visible {
  cursor: pointer;
  opacity: 1;
  pointer-events: auto;
}