.ripple-effect {
  position: relative;
}

.ripple-container {
  display: block;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 0;
  overflow: hidden;
  -webkit-mask-image: -webkit-radial-gradient(circle, #fff, #000);
}
.ripple-container .ripple {
  background: #fff;
  border-radius: 50%;
  height: 50px;
  left: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 50px;
  overflow: hidden;
}
.ripple-container .ripple.is-visible {
  opacity: 0.3;
}
.ripple-container .ripple.is-animated {
  transition: width 0.3s cubic-bezier(0, 0, 0.2, 1), height 0.3s cubic-bezier(0, 0, 0.2, 1), opacity 0.6s cubic-bezier(0, 0, 0.2, 1), -webkit-transform 0.3s cubic-bezier(0, 0, 0.2, 1);
  transition: transform 0.3s cubic-bezier(0, 0, 0.2, 1), width 0.3s cubic-bezier(0, 0, 0.2, 1), height 0.3s cubic-bezier(0, 0, 0.2, 1), opacity 0.6s cubic-bezier(0, 0, 0.2, 1);
  transition: transform 0.3s cubic-bezier(0, 0, 0.2, 1), width 0.3s cubic-bezier(0, 0, 0.2, 1), height 0.3s cubic-bezier(0, 0, 0.2, 1), opacity 0.6s cubic-bezier(0, 0, 0.2, 1), -webkit-transform 0.3s cubic-bezier(0, 0, 0.2, 1);
}