Flexbox

Tailwind CSS items-baseline Class

The items-baseline utility class generates the following CSS when applied to an element.

CSS Output

CSS
.items-baseline {
  align-items: baseline;
}

Variants

Use these variant prefixes to apply items-baseline conditionally:

responsive:items-baseline

Use It

HTML
<div class="flex items-baseline gap-4">
  <h1 class="text-4xl">Title</h1>
  <span class="text-sm text-gray-500">Subtitle aligned to baseline</span>
</div>

Understanding items-baseline

The Tailwind CSS items-baseline utility applies align-items: baseline; to an element when added to its class attribute. It aligns flex items so their text baselines line up. Essential when items have different font sizes but their text should sit on the same line.

This utility is part of Tailwind's Flexbox module, designed for building flexible one-dimensional layouts with powerful alignment and distribution controls. In Tailwind's utility-first workflow, you add items-baseline 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:items-baseline, md:items-baseline, lg:items-baseline, and xl:items-baseline, allowing different behavior at each breakpoint. State variants like hover:items-baseline and focus:items-baseline 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 `items-start`, `items-center`, `items-end`, `items-stretch` 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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