rounded-s: Tailwind CSS Border Radius class

The rounded-s class in Tailwind CSS applies the default border-radius to the start side of an element. In left-to-right (LTR) layouts, this affects the top-left and bottom-left corners.

rounded-s

The rounded-s class in Tailwind CSS applies the default border-radius to the start side of an element. In left-to-right (LTR) layouts, this affects the top-left and bottom-left corners. In right-to-left (RTL) layouts, it targets the top-right and bottom-right corners. This utility is useful for building direction-aware UIs.

Syntax

html
<div class="rounded-s">...</div>

Example Code

html
<div class="bg-green-600 text-white p-4 font-semibold rounded-s">
  Rounded start-side corners.
</div>

Preview

Rounded start-side corners.

Use rounded-s when you want to apply the default border-radius to the start side of an element. It's perfect for creating rounded button groups, cards, and form controls that adapt to both LTR and RTL layouts.

How to Use

Add the rounded-s class directly to your HTML element:

html
<div class="rounded-s">
  <!-- Your content here -->
</div>

Responsive Usage

Use Tailwind's responsive prefixes to apply rounded-s at specific breakpoints:

html
<div class="sm:rounded-s md:rounded-s lg:rounded-s">
  Responsive element
</div>
  • sm:rounded-s — applies from 640px and up
  • md:rounded-s — applies from 768px and up
  • lg:rounded-s — applies from 1024px and up

Customization

You can extend or override this utility in your tailwind.config.js. See the Tailwind CSS documentation for details on customizing your theme.

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