Material Design: Ripple Button

Pure CSS ripple button

by Saksham Malhotra

HTML

<button>Click</button>

CSS

/* Material style */

button {
  border: none;
  cursor: pointer;
  color: white;
  padding: 15px 40px;
  border-radius: 2px;
  font-size: 22px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, .4);
  background: #2196F3;
}

/* Ripple magic */

button {
  position: relative;
  overflow: hidden;
}

button:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, .5);
  border-radius: 100%;
  transform: scale(0, 0);
}

@keyframes ripple {
  20% {
    transform: scale(25, 25);
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(40, 40);
  }
}

button:focus::after {
  animation: ripple 1s ease-out;
}