gentelella-rtl/vendors/animate.css/source/sliding_entrances/slideInLeft.css

Gentelella RTL Admin is a free to use Bootstrap admin template

@keyframes slideInLeft {
  from {
    transform: translate3d(-100%, 0, 0);
    visibility: visible;
  }

  to {
    transform: translate3d(0, 0, 0);
  }
}

.slideInLeft {
  animation-name: slideInLeft;
}