.pulse {
	animation: pulse 2s infinite;
}

@keyframes pulse {
	0% {
		transform: scale(0.90);
		filter: drop-shadow(0px 0px 5px rgba(0,0,0,0.2));
	}

	70% {
		transform: scale(1);
		filter: drop-shadow(0px 0px 10px rgba(0,0,0,0.7));
	}

	100% {
		transform: scale(0.90);
		filter: drop-shadow(0px 0px 5px rgba(0,0,0,0.2));
	}
}

.shake {
	animation: shake 0.7s;
	animation-iteration-count: 3;
}

@keyframes shake {
  0%   {margin: 0px 0px 0px -3px}
  20%  {margin: 0px -3px 0px 0px}
  40%   {margin: 0px 0px 0px -3px}
  60%  {margin: 0px -3px 0px 0px}
  80%   {margin: 0px 0px 0px -3px}
  100%   {margin: 0px 0px 0px 0px}
}