> ## Documentation Index
> Fetch the complete documentation index at: https://subframe-59800133-mintlify-annotations-ai-handoff-1775859770.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Custom CSS

> Add custom Tailwind classes to elements.

<Frame>
  <img src="https://mintcdn.com/subframe-59800133-mintlify-annotations-ai-handoff-1775859770/UHr1GDmWOF9ZCK12/images/design-mode/tailwind-css-inspector.png?fit=max&auto=format&n=UHr1GDmWOF9ZCK12&q=85&s=cb1931d4c740fb418615d79c1dccf858" alt="Custom CSS button showing the custom CSS input" width="1920" height="1440" data-path="images/design-mode/tailwind-css-inspector.png" />
</Frame>

If there's a CSS property you need that isn't available in the Inspector, you can add a custom Tailwind CSS class.

1. Select an element
2. Click **+** under **Tailwind CSS** in the Inspector

For a full list of available classes, see the Tailwind CSS documentation:

* [Tailwind CSS v3](https://v3.tailwindcss.com)
* [Tailwind CSS v4](https://tailwindcss.com)