.fadeIn {
  opacity: 0;
  transition: 2s;
}
.fadeIn.is-show {
  opacity: 1;
}

.fadeIn_left {
  opacity: 0;
  transform: translate(-50%, 0);
  transition: 2s;
}
.fadeIn_left.is-show {
  transform: translate(0, 0);
  opacity: 1;
}

.fadeIn_right {
  opacity: 0;
  transform: translate(50%, 0);
  transition: 2s;
}
.fadeIn_right.is-show {
  transform: translate(0, 0);
  opacity: 1;
}