#myTopBtn 
{
  display: none;
  position: fixed;
  bottom: 30px;
  right: 20px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: tomato;
  color: white;
  cursor: pointer;
  width: 50px;
  height: 50px;
  border-radius: 25px;
  transition-duration: 0.4s;
  border: 2px solid tomato;
}

#myTopBtn:hover 
{
  background-color: WHITE;
  color: BLACK;
  border: 2px solid tomato;
}

.zoom 
{
   /*padding: 50px;
  background-color: green;*/
  transition: transform .1s; /* Animation */
  /* width: 200px;
  height: 200px; */
  margin: 0 auto; 
}

.zoom:hover 
{
  transform: scale(0.95);
  /*transform: scale(1.05);*/ /* (150% zoom - Note: if the zoom is too large, it will go outside of the viewport) */
  /*filter:grayscale(80%); */
   /*opacity: 0.5;*/
}