Tailwind CSS gap-1 Class
The gap-1 utility class generates the following CSS when applied to an element.
CSS Output
.gap-1 {
gap: 0.25rem; /* 4px */
}Variants
Use these variant prefixes to apply gap-1 conditionally:
Use It
<div class="flex flex-wrap gap-1">
<span class="px-2 py-1 bg-blue-100 rounded text-xs">Tag</span>
<span class="px-2 py-1 bg-blue-100 rounded text-xs">Label</span>
</div>Understanding gap-1
The Tailwind CSS gap-1 utility applies gap: 0.25rem; /* 4px */ to an element when added to its class attribute. It adds a 4px gap between grid or flex items. A very tight spacing for compact layouts like tags, badges, or dense navigation.
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 gap-1 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:gap-1, md:gap-1, lg:gap-1, and xl:gap-1, allowing different behavior at each breakpoint. State variants like hover:gap-1 and focus:gap-1 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 `gap-0`, `gap-2`, `gap-4`, `space-x-2` 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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