.base
{
  animation-fill-mode: both;
  animation-name: base;
  animation-duration: 400ms;
  animation-delay: 0ms;
  animation-timing-function: ease;
  will-change:base;
} 

@keyframes base {
  from {
    will-change:transition;
  }
  to {
    will-change:transition;
  }
}