body {
  margin: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient( #ee7752, #23d5ab);
	background-size: 200% 100%;
	-webkit-animation: gradient 15s ease infinite;
	        animation: gradient 15s ease infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.pulse {
  animation: pulse 2s infinite;
}