 as (D), except we've added a max-height on the second element.
      -->
    <div class="flexbox">
      <img src="support/solidblue.png" style="height: 33px; flex: 2 auto"/>
      <img src="support/solidblue.png"
           style="height: 13px; max-height: 90px; flex: 3 auto"/>
    </div>

    <!-- G) Making sure we grow at least as large as min-height -->
    <!-- Same as (C), except we've added a min-height on the second element.
      -->
    <div class="flexbox">
      <img src="support/solidblue.png"