button.scss

@mixin rings($duration, $delay) {
  opacity: 0;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: -2px;
  left: -2px;
  right: 0;
  bottom: 0;
  content: "";
  height: 100%;
  width: 100%;
  border: 2px solid rgba(255, 255, 255, 1);
  border-radius: 100%;
  animation-name: ripple;
  animation-duration: $duration;
  animation-delay: $delay;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.65, 0, 0.34, 1);
  z-index: -1;
}

.rings-container {
  position: absolute;
  height: 104px;
  width: 104px;
  border-radius: 100%;
  // box-shadow: 0 0 20px 0 rgba(250,250,210 ,1);
  cursor: pointer;

  // &::after {
  //   @include rings(3s, 0s);
  // }

  // &::before {
  //   @include rings(3s, 0.5s);
  // }
}

@keyframes ripple {
  from {
    opacity: 1;
    transform: scale3d(0.75, 0.75, 1);
  }

  to {
    opacity: 0;
    transform: scale3d(3, 3, 1);
  }
}