-columns: auto 100px">
  <div class="subgrid" style="grid-column:2">
    The cat can not be separated from milk
  </div>
</article>

<article class="grid" style="grid-template-columns: auto 100px auto">
  <div class="subgrid" style="grid-column:2 / span 2">
    The cat can not be separated from milk
  </div>
</article>

<article class="grid" style="grid-template-columns: auto 100px auto">
  <div class="subgrid" style="grid-column:1 / span 3">
    The cat can not be separated from milk
  </div>
</article>

<