#scrollTopCustom {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  background: #111;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 9999;
}

#scrollTopCustom img {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

/* aparece al hacer scroll */
#scrollTopCustom.show {
  opacity: 1;
  visibility: visible;
}

#scrollTopCustom:hover {
  transform: translateY(-3px);
}