body {
  background-color: #fafafa;
  padding: 0;
  margin: 0;
}

img {
  width: 100%;
  height: auto;
}

.btn {
  cursor: pointer;
}

.whatsapp-wrapper {
  position: relative;
  display: inline-block;
  width: 45px;
  height: 45px;
}

.whatsapp-wrapper::before,
.whatsapp-wrapper::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 45px;
  height: 45px;
  border: 1px solid #25D366;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ripple 2s infinite ease-out;
  opacity: 1;
}

.whatsapp-wrapper::after {
  border-color: #25D36642;
  animation-delay: 1s;
}

@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}