button {
  border: none;
  color: #fff;
  background-image: linear-gradient(135deg, #3ab5b0 0%, #3d99be 31%, #56317a 100%);
  border-radius: 20px;
  font-family: inherit;
  font-size: 17px;
  padding: 0.6em 1.5em;
  transition: scale 0.2s ease;
}

button:hover {
  cursor: pointer;
  -webkit-animation: pulse 1.5s infinite;
  animation: pulse512 1.5s infinite;
}

button:active {
  scale: 0.95;
}

@keyframes pulse512 {
  0% {
    box-shadow: 0 0 0 0 #05bada66;
  }

  70% {
    box-shadow: 0 0 0 10px rgba(218, 03, 8,  0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(218, 03, 8,  0);
  }
}