Tailwind CSS col-span-3 Class
The col-span-3 utility class generates the following CSS when applied to an element.
CSS Output
.col-span-3 {
grid-column: span 3 / span 3;
}Variants
Use these variant prefixes to apply col-span-3 conditionally:
Use It
<div class="grid grid-cols-12 gap-4">
<div class="col-span-3 p-4 bg-teal-500">Quarter</div>
<div class="col-span-9 p-4 bg-teal-500">Three quarters</div>
</div>Understanding col-span-3
The Tailwind CSS col-span-3 utility applies grid-column: span 3 / span 3; to an element when added to its class attribute. It makes a grid item span three columns. In a 12-column grid, this creates quarter-width items; in a 4-column grid, it creates three-quarter-width items.
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-3 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-3, md:col-span-3, lg:col-span-3, and xl:col-span-3, allowing different behavior at each breakpoint. State variants like hover:col-span-3 and focus:col-span-3 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-full`, `grid-cols-12` 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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