#scrollTopButton {
  display: none;
  position: fixed;
  bottom: 0px;
  right: 5px;
  z-index: 99;
  font-size: 48px;
  border: none;
  outline: none;
  background-color: transparent;
  color: #e31e10;
  cursor: pointer;
  transition: all .2s ease-in-out;
}

#scrollTopButton:hover {
  transform: scale(1.5);
}