.gradient-background {
  background: linear-gradient(300deg,deepskyblue,darkviolet,blue,white,#a94242);
  background-size: 300% 300%;
  animation: gradient-animation 30s ease infinite;
}

@keyframes gradient-animation {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}