.hvr-shrink {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: transform;
  transition-property: transform;
}
.hvr-shrink:hover, .hvr-shrink:focus, .hvr-shrink:active {
  -webkit-transform: scale(0.9);
  transform: scale(0.9);
}