.elm {
  opacity: 0;
  transition: opacity 0.8s ease-in-out, transform 0.8s ease-out;
  transform: translateY(70px);
}
.elm_u {
  opacity: 0;
  transition: opacity 1s ease-in-out, transform 1s ease-out;
  transform: translateY(-30px);
}
.elm_fire {
  opacity: 0;
}
.elm.elm2 {
  transition-delay: 0.3s;
}

.elm.elm3 {
  transition-delay: 0.6s;
}

.elm_r {
  opacity: 0;
  transition: opacity 1s ease-in-out, transform 1s ease-out;
  transform: translateX(-100px);
}

.elm.fade-in {
  opacity: 1;
  transform: translateY(0px);
}
.elm_u.fade-in {
  opacity: 1;
  transform: translateY(0px);
}

.elm_fire.fade-in {
  animation: fadeScale 1s 1s ease forwards;
}
@keyframes fadeScale {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.elm_r.fade-in {
  opacity: 1;
  transform: translateX(0px);
}

@media (max-width: 768px) {
  .elm.elm2 {
    transition-delay: 0s;
  }
}