public/app/assets/stylesheets/archivesspace/result-representative-file-version.scss
:root {
  --result-repfv-base-size: 75px;
  --result-repfv-figure-max-height: var(--result-repfv-base-size);
  --result-repfv-figure-width: var(--result-repfv-base-size);
  --result-repfv-img-height: var(--result-repfv-base-size);
  --result-repfv-figcaption-display: none;

  @media (min-width: 550px) {
    --result-repfv-base-size: 100px;
  }

  @media (min-width: 700px) {
    --result-repfv-base-size: 150px;
    --result-repfv-img-height: 100px;
    --result-repfv-figcaption-display: block;
  }
}

.result-repfv__figure {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  float: left;
  max-height: var(--result-repfv-figure-max-height);
  width: var(--result-repfv-figure-width);
  margin-right: 1rem;
  border: 1px solid var(--default-border-color);
  border-radius: var(--bootstrap-rounded-border-radius);
}

.result-repfv__img {
  height: var(--result-repfv-img-height);
  max-width: 100%;
  object-fit: contain;
}

.result-repfv__figcaption {
  display: var(--result-repfv-figcaption-display);
  padding: 0.5rem;
  font-size: 12px;
  background-color: var(--bootstrap-default-card-heading-bg-color);
  border-radius: var(--bootstrap-rounded-border-radius);
  overflow: hidden;
}
