@import url("https://fonts.googleapis.com/css2?family=Redressed&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Redressed", cursive;
  overflow: hidden;
}

section {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
section .wave {
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}
section .wave span {
  position: absolute;
  width: 325vh;
  height: 325vh;
  top: 0;
  left: 50%;
  transform: translate(-50%, -75%);
  background: #000;
}
section .wave span:nth-child(1) {
  animation: animate 15s linear infinite;
  border-radius: 45%;
  background: #141414;
}
section .wave span:nth-child(2) {
  animation: animate 20s linear infinite;
  border-radius: 40%;
  background: rgba(20, 20, 20, 0.5);
}
section .wave span:nth-child(3) {
  animation: animate 25s linear infinite;
  border-radius: 43%;
  background: rgba(20, 20, 20, 0.5);
}
section .wave span:nth-child(4) {
  animation: animate 23s linear infinite;
  border-radius: 47%;
  background: rgba(20, 20, 20, 0.5);
}
@keyframes animate {
  0% {
    transform: translate(-50%, -75%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -75%) rotate(360deg);
  }
}
@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
section .content {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 4em;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  h2 {
    font-size: 10vw;
  }
}