View file Quiza/addons/addon3/assets/css/animation.css

.animate {
  animation: slidedown 1s forwards cubic-bezier(0.23, 1, 0.32, 1);
  transform: translateY(-200px);
  opacity: 0;
}

@keyframes slidedown {
  from {
    transform: translateY(-200px);
    opacity: 0;
  }
  to {
    transform: translateY(0px);
    opacity: 1;
  }
}
.delay-100 {
  animation-delay: 100ms;
}
.delay-200 {
  animation-delay: 200ms;
}
.delay-300 {
  animation-delay: 300ms;
}
.delay-400 {
  animation-delay: 400ms;
}