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Tailwind CSS class: .grid-cols-1 / .grid-cols-*

<div class="grid grid-cols-3 grid-flow-row gap-2">
  <div class="h-4 bg-teal-400"></div>
  <div class="h-4 bg-teal-400"></div>
  <div class="h-4 bg-teal-400"></div>
  <div class="h-4 bg-teal-400"></div>
  <div class="h-4 bg-teal-400"></div>
  <div class="h-4 bg-teal-400"></div>
</div>

Preview

CSS source

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.grid-cols-8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.grid-cols-9 { grid-template-columns: repeat(9, minmax(0, 1fr)); }
.grid-cols-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
.grid-cols-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid-cols-none { grid-template-columns: none; }

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