unch-cms/public/assets/vendor/animate.css/source/sliding_exits/slideOutRight.css

@keyframes slideOutRight {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    visibility: hidden;
    transform: translate3d(100%, 0, 0);
  }
}

.slideOutRight {
  animation-name: slideOutRight;
}