Edit in JSFiddle

<div class="box">
  <div class="ripple"></div>
  click! ripple effect
</div>

.box {
  position: relative;
  width: 200px;
  height: 44px;
  line-height: 44px;
  border: 1px solid #000;
  text-align: center;
  overflow: hidden;
  cursor: default;
}

.ripple {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: 100%;
  height: 100%;
  background: rgba(108, 112, 138, 0.5);
  border-radius: 100%;
  -webkit-transform: scale(0);
  -ms-transform: scale(0);
  transform: scale(0);
}

.ripple.animate {
  animation: ripple 0.65s linear;
}

@keyframes ripple {
  100% {
    opacity: 0;
    -webkit-transform: scale(7);
    -ms-transform: scale(7);
    transform: scale(7);
  }
}

$('.box').click(function(){
  $('.ripple').addClass('animate');
  
  setTimeout(function(){
  	$('.ripple').removeClass('animate');
  }, 650);
});