.gradient-background {
  /*background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);*/
   background: linear-gradient(-45deg, #4c4184, #e31837, #3a5dae, #932785); 
  /* background: linear-gradient(-45deg, #7d55c8, #f6ecf4, #7ccdff, #ffffff); */
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

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