main section .service-img {
  position: relative;
}

main section .left-img {
  left: -2.5rem;
}
main section .right-img {
  right: -2.5rem;
}

@media screen and (max-width: 768px) {
  main section .service-img {
    position: static;
  }

  main section .right-img {
    right: -2.5rem;
    order: -1;
  }

  .arrow-down {
    bottom: unset;
  }
}