p {
  background: linear-gradient(to right, #7953cd 20%, #00affa 30%, #0190cd 70%, #764ada 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 40px;
  text-fill-color: transparent;
  background-size: 500% auto;
  animation: textShine 5s ease-in-out infinite alternate;
}
@keyframes textShine {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}