Question du test Tailwind

<div class="grid grid-cols-[1fr,1fr]">
  <div>foo</div>
  <div>bar</div>
</div>

<div class="grid grid-cols-[1fr_1fr]">
  <div>foo</div>
  <div>bar</div>
</div>

<div class="grid grid-cols-[1fr 1fr]">
  <div>foo</div>
  <div>bar</div>
</div>