rounded-ss: Tailwind CSS Border Radius class

The rounded-ss class in Tailwind CSS applies a border-radius to the start-start corner of an element.

rounded-ss

The rounded-ss class in Tailwind CSS applies a border-radius to the start-start corner of an element. In left-to-right (LTR) layouts, this targets the top-left corner, while in right-to-left (RTL) layouts, it targets the top-right corner. It respects logical (writing direction–aware) corner styling.

Syntax

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

Example Code

html
<div class="bg-green-500 text-white p-4 rounded-ss shadow-md">
  Rounded start-start corner
</div>

Preview

Rounded start-start corner

In LTR layouts, this adds rounding to the top-left corner. Useful in components like cards, chat bubbles, or menus.

How to Use

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

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

Responsive Usage

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

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