It's easy to build this layout using 'flex' css.
<div class="f-row" style="height:50px;margin-bottom:20px">
<div class="f-full" style="background:#80bdff"></div>
<div class="f-full" style="background:#17a2b8"></div>
</div>
<div class="f-row" style="height:50px;margin-bottom:20px">
<div class="f-full" style="background:#80bdff"></div>
<div class="f-full" style="background:#17a2b8"></div>
<div class="f-full" style="background:#80bdff"></div>
</div>
<div class="f-row" style="height:50px;margin-bottom:20px">
<div class="f-full" style="background:#80bdff"></div>
<div class="f-full" style="background:#17a2b8"></div>
<div class="f-full" style="background:#80bdff"></div>
<div class="f-full" style="background:#17a2b8"></div>
</div>