Grid

Tailwind CSS col-span-full Class

The col-span-full utility class generates the following CSS when applied to an element.

CSS Output

CSS
.col-span-full {
  grid-column: 1 / -1;
}

Variants

Use these variant prefixes to apply col-span-full conditionally:

responsive:col-span-full

Use It

HTML
<div class="grid grid-cols-3 gap-4">
  <div class="col-span-full p-4 bg-teal-500">Full-width header</div>
  <div class="p-4 bg-teal-500">1</div>
  <div class="p-4 bg-teal-500">2</div>
  <div class="p-4 bg-teal-500">3</div>
</div>

Understanding col-span-full

The Tailwind CSS col-span-full utility applies grid-column: 1 / -1; to an element when added to its class attribute. It makes a grid item span all columns in the grid, stretching from the first to the last column line. Perfect for full-width headers, banners, or separators.

This utility is part of Tailwind's Grid module, designed for creating two-dimensional grid-based layouts with precise control over columns, rows, and gaps. In Tailwind's utility-first workflow, you add col-span-full directly to your HTML elements rather than writing custom CSS. This approach accelerates development and keeps styles co-located with your markup, making it easy to see exactly how each element is styled at a glance.

Common responsive variants include sm:col-span-full, md:col-span-full, lg:col-span-full, and xl:col-span-full, allowing different behavior at each breakpoint. State variants like hover:col-span-full and focus:col-span-full enable interactive styling without any JavaScript. You can also combine multiple variants for fine-grained control over when the utility applies.

This class works well alongside `col-span-1`, `col-span-2`, `col-span-3`, `grid-cols-3` to build complete, production-ready interfaces. Tailwind's tree-shaking ensures only utilities you actually use appear in your final CSS bundle, keeping file sizes minimal. Browser support for the underlying CSS is excellent across Chrome, Firefox, Safari, and Edge.

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