 and (h > max-height), where (max-width/w ≤ max-height/h) -->
<div class="container">
  <iframe class="target" style="max-width: 240px; max-height: 135px"
  data-expected-width="278" data-expected-height="167" data-offset-y="26" data-offset-x="119"
  >
  </iframe>
</div>
<!-- spec 6: (w > max-width) and (h > max-height), where (max-width/w > max-height/h) -->
<div class="container">
  <iframe class="target" style="max-width: 270px; max-height: 120px"
  data-expected-width="308" data-expected-height="152" 