roportion to their css width.
<table style="width:calc(300px + 24px)" data-expected-width=324>
  <tr>
    <td style="width:100px" data-expected-width=150>
      <div style="width:50px">50</div></td>
    <td style="width:100px" data-expected-width=150>
      <div style="width:100px">100</div></td>
  </tr>
</table>

<p 6 class="testdesc">Table: 50px; C0:100/50/50 C1:100/100/100
What happens when column.min_width > column.css_width
column.css_width wins over column.min_width.
<table style="width:100px" data-ex