@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,500;1,900&display=swap');

* {
  font-family: 'Poppins', cursive;
}

body {
  color: azure;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: black;
}

.greetings {
  font-size: 6rem;
  font-weight: 900;
}

.greetings>span {
  animation: glow 2.5s ease-in-out infinite;
}

@keyframes glow {

  0%,
  100% {
    color: #fff;
    text-shadow: 0 0 12px #39c6d6, 0 0 50px #39c6d6, 0 0 100px #39c6d6;
  }

  10%,
  90% {
    color: #111;
    text-shadow: none;
  }
}

.greetings>span:nth-child(2) {
  animation-delay: .2s;
}

.greetings>span:nth-child(3) {
  animation-delay: .4s;
}

.greetings>span:nth-child(4) {
  animation-delay: .6s;
}

.greetings>span:nth-child(5) {
  animation-delay: .8s;
}

.greetings>span:nth-child(6) {
  animation-delay: 1s;
}

.greetings>span:nth-child(7) {
  animation-delay: 1.2s;
}

.greetings>span:nth-child(8) {
  animation-delay: 1.4s;
}

.greetings>span:nth-child(9) {
  animation-delay: 1.6s;
}

greetings>span:nth-child(10) {
  animation-delay: 1.8s;
}

.greetings>span:nth-child(11) {
  animation-delay: 2s;
}

.description {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.button a {
  text-decoration: none;
  font-size: 1rem;
  color: #111;
}

@media screen and (max-width:574px) {
  .greetings {
    display: block;
    font-size: 3rem;
    font-weight: 500;
    text-align: center;
  }

  .description {
    font-size: 1rem;
  }

  .button a {
    font-size: .5rem;
  }
}