Background Color Change (Rainbow)

.color-change {
  animation: color-change 8s linear infinite alternate both;
}

@keyframes color-change {
  0% {
    background: #19dcea;
  }
  25% {
    background: #b22cff;
  }
  50% {
    background: #ea2222;
  }
  75% {
    background: #f5be10;
  }
  100% {
    background: #3bd80d;
  }
}