Tailwind CSS class: .grid-flow-col

<div class="grid grid-rows-3 grid-flow-col gap-2">
  <div class="text-center bg-teal-400">1</div>
  <div class="text-center bg-teal-400">2</div>
  <div class="text-center col-span-2 bg-teal-400">3</div>
  <div class="text-center bg-teal-400">4</div>
  <div class="text-center bg-teal-400">5</div>
  <div class="text-center bg-teal-400">6</div>
  <div class="text-center bg-teal-400">7</div>
</div>