.center{
  margin: auto;	
  display: flex;
  justify-content: center;
  align-items: center;
  height: 150px;
}

.zoom {
  padding: 10px;
  transition: transform .2s; /* Animation */
  max-height: 150px;
  margin: auto;
}

.zoom:hover {
  transform: scale(7); /* (150% zoom - Note: if the zoom is too large, it will go outside of the viewport) */
}