/* Ripple Out */
@-webkit-keyframes hvr-ripple-out {
  100% {
    top: -12px;
    right: -12px;
    bottom: -12px;
    left: -12px;
    opacity: 0;
  }
}
@keyframes hvr-ripple-out {
  100% {
    top: -12px;
    right: -12px;
    bottom: -12px;
    left: -12px;
    opacity: 0;
  }
}
.hvr-ripple-out {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 3px #444;
  position: relative;
}
.hvr-ripple-out:before {
  content: '';
  position: absolute;
  border: #444 solid 50px;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  -webkit-animation-duration: 1s;
  animation-duration: 1s;
}
.hvr-ripple-out:hover:before, .hvr-ripple-out:focus:before, .hvr-ripple-out:active:before {
  -webkit-animation-name: hvr-ripple-out;
  animation-name: hvr-ripple-out;
}