.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s ease-out;
}

.preloader.hidden {
  opacity: 0;
  pointer-events: none;
}

#scrollToTop:hover {
  background: rgba(255, 107, 107, 0.95);
}

@media (max-width: 768px) {
  #scrollToTop {
    bottom: 15px;
    right: 15px;
    width: 45px;
    height: 45px;
    font-size: 18px;
  }
}