ass="test firstRow"></div>
  <div class="test secondRow"></div>
  <div class="test thirdRow"></div>
</div>

<div class="grid" style="grid-template-rows: 0px 90px 0px;">
  <div class="item" style="grid-row: 2">XXX XX</div>
  <div class="spanningItem">XXX XX XXX</div>
  <div class="test firstRow"></div>
  <div class="test secondRow"></div>
  <div class="test thirdRow"></div>
</div>

<br clear="all">
<br clear="all">

<div class="grid" style="grid-template-rows: 30px;">
  <div class="item">XXX</div>
  <div cla