@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 #d4d7de
  }

  70% {
    box-shadow: 0 0 0 10px transparent
  }

  to {
    box-shadow: 0 0 0 0 transparent
  }
}

.whatsappContato {
  position: fixed;
  right: 1%;
  bottom: 2%;
  border-radius: 50% 50%;
  border: 2px solid #d4d7de;
  animation: pulse 2s infinite;
}