#backToTop {
  position: fixed;
  bottom: 30px;
  right: 25px;
  z-index: 99;
  font-size: 24px;
  background-color: #3f3f3f;
  color: #fff;
  border: none;
  border-radius: 50%;
  padding: 12px 14px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: background 0.3s ease;
}

#backToTop:hover {
  background-color: #000;
}

#backToTop i {
  pointer-events: none;
}