.history {
  position: relative;
}

.history__timeline {
  margin-top: 10rem;
  position: relative;
  z-index: 9;
}

.history__icon {
  position: absolute;
  bottom: -2.375rem;
  left: -7.5625rem;
  opacity: 0;
  visibility: hidden;
}

.history__icon img {
  width: 35.5rem;
  height: auto;
  opacity: .3;
}

.history__icon.is-active {
  opacity: 1;
  visibility: visible;
}

@media screen and (max-width: 1023.98px) {
  .history__icon img {
    width: 25rem;
  }
}

@media screen and (max-width: 767.98px) {
  .history__icons {
    display: none;
  }

  .history__icon {
    left: -1.875rem;
  }

  .history__icon img {
    width: 9.375rem;
  }
}