.dv {
  position: fixed;
  bottom: 18%;
  width: 100%;
  animation-name: aFloatUpEffect;
  animation-duration: 2s;
  animation-timing-function: ease;
}
@keyframes aFloatUpEffect {
  from {
    bottom: 10%;
    opacity: 0;
  }

  to {
    bottom: 18%;
    opacity: 1;
  }
}
.zoom {
  transition: transform 0.2s; /* Animation */
  margin: 0 auto;
  width: 500px;
}

.zoom:hover {
  transform: scale(
    1.2
  ); /* (150% zoom - Note: if the zoom is too large, it will go outside of the viewport) */
}