gentelella-rtl/vendors/animate.css/source/fading_exits/fadeOutLeft.css

Gentelella RTL Admin is a free to use Bootstrap admin template

@keyframes fadeOutLeft {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    transform: translate3d(-100%, 0, 0);
  }
}

.fadeOutLeft {
  animation-name: fadeOutLeft;
}