#main {
    height: 100vh;
}

.clickable {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    position: absolute;
    opacity: 1;
}

.ripple {
    transform: scale(1);
    opacity: 0;
}
.rippleEffect {
    animation: rippleDrop 0.6s cubic-bezier(0.39, 0.575, 0.565, 1);
}

@keyframes rippleDrop {
    1% {
        opacity: 1;
    }
    20% {
        transform: scale(1.5);
    }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}