.section--two-col .image-container {
    width: 100%;
    height: 100%;
    position: absolute;
}
.section--two-col .image-container div {
    height: 0;
    position: absolute;
    z-index:1;
}

.section--two-col .phone-img img {
  height: 350px;
  position: relative;
  bottom: -4.4rem;
}
@media(max-width:680px) {
  .section--two-col .col6.two-col__inner {
    padding-top: 2rem;
  }
  .section--two-col .phone-img img {
    bottom: -5.9rem;
  }