web/console/slides/presets/layout_C4.html

<div style="position: absolute; width: calc(50% - 90px); height: calc(50% - 90px); left: 60px; top: 60px;">
  <p style="font-size: 1.5rem;">Text Container</p>
</div>
<div style="position: absolute; width: calc(50% - 90px); height: calc(50% - 90px); left: 60px; top: calc(50% + 30px);">
  <p style="font-size: 1.5rem;">Text Container</p>
</div>
<div style="position: absolute; width: calc(50% - 90px); height: calc(50% - 90px); left: calc(50% + 30px); top: 60px;">
  <p style="font-size: 1.5rem;">Text Container</p>
</div>
<div style="position: absolute; width: calc(50% - 90px); height: calc(50% - 90px); left: calc(50% + 30px); top: calc(50% + 30px);">
  <p style="font-size: 1.5rem;">Text Container</p>
</div>