* {
  margin: 0;
  padding: 0;
  font-family: poppins, sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
  background-color: #000;
}

a {
  position: relative;
  display: inline-block;
  padding: 16px 46px;
  margin: 20px 0;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 28px;
  background-image: linear-gradient(90deg, #d53369 0%, #daae51 100%);
  border-radius: 40px;
  overflow: hidden;
}

a:nth-child(2) {
  background-image: linear-gradient(90deg, #3f2b96 0%, #a8c0ff 100%);
}

span {
  position: absolute;
  background-color: #fff;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border-radius: 50%;
  animation: animate 1s linear infinite;
}
@keyframes animate {
  0% {
    width: 0px;
    height: 0px;
    opacity: 0.3;
  }
  100% {
    width: 500px;
    height: 500px;
    opacity: 0;
  }
}