.tradin-frame {
      width: 100%;
      height: inherit;
      border: 0;
  }

#iframe-trade-in {
    padding: .375rem .75rem;
    width: 900px;
    height: 660px;
    overflow: hidden;
}

#tradein-img {
    width: 150px;
    height: 90px;
}

@media screen and (min-width: 300px) and (max-width: 800px) {
    #iframe-trade-in {
        height: 1100px;
    }
}