#btnArriba {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  width: 30px;
  height: 30px;
  background-color: #e3eef5a6;
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

#btnArriba i {
  color: black;
  font-size: 14px;
  margin-right: 8%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#btnArriba:hover {
  background-color: #0056b3;
  transform: scale(1.1);
}


.tooltip {
  visibility: hidden;
  background-color: black;
  color: white;
  text-align: center;
  padding: 5px;
  border-radius: 5px;
  position: absolute;
  bottom: 40px;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 1000;
}

#btnArriba:hover .tooltip {
  visibility: visible;
  opacity: 1;
}