File: ripple-effect.css

.ripple-item {
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
    -ms-transform: translateZ(0);
    -webkit-transform: translateZ(0);
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}
.animate-ripple {
    /*effect color*/
    background-color: hsl(180, 40%, 80%);
    display: inline-block;
    position: absolute;
    border-radius: 100%;
    -webkit-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0);
    -webkit-animation: ripple .65s linear;
    animation: ripple .65s linear
}
@-webkit-keyframes ripple {
    100% {
        opacity: 0;
        -webkit-transform: scale(2.5)
   }
}
@keyframes ripple {
    100% {
        opacity: 0;
        transform: scale(2.5)
   }
}