#zoomA {
  /* (A) OPTIONAL DIMENSIONS */
  width: 600px;
  height: auto;

  /* (B) ANIMATE ZOOM */
  /* ease | ease-in | ease-out | linear */
  transition: transform ease-in-out 0.3s;
}

/* (C) ZOOM ON HOVER */
#zoomA:hover { transform: scale(1.2); }