></div><div data-offset-x=103></div><div data-offset-x=203></div>
</div>

<h3>flex-box has box-sizing: default and flex-wrap: wrap;</h3>
<div class="flexbox column wrap" style="border: 2px solid lightblue; padding: 3px; height: 200px; width: 100px; position: relative" data-expected-width=110 data-expected-height=210>
    <div data-offset-x=3></div><div data-offset-x=3></div><div data-offset-x=103></div>
</div>

<h3>flex-flow: column, flex-box has box-sizing: border-box, flex items have flex: 1</h3>
<div cla