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

body {
  background: linear-gradient(-45deg, #4e54c8, #8f94fb, #4e54c8);
  background-size: 400% 400%;
  animation: gradientMove 15s ease infinite;
}
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

body {
  background: linear-gradient(-45deg, #4e54c8, #8f94fb, #4e54c8);
  background-size: 400% 400%;
  animation: gradientMove 15s ease infinite;
}