If you're interested in contributing to Tailwind CSS, please read our [contributing docs](https://github.com/tailwindlabs/tailwindcss/blob/main/.github/CONTRIBUTING.md) **before submitting a pull request**.
By default, this plugin detects whether or not the CSS is being built for production by checking the `NODE_ENV` environment variable. When building for production Lightning CSS will be enabled otherwise it is disabled.
If you want to always enable or disable Lightning CSS the `optimize` option may be used:
```js
import tailwindcss from '@tailwindcss/vite'
import { defineConfig } from 'vite'
export default defineConfig({
plugins: [
tailwindcss({
// Disable Lightning CSS optimization
optimize: false,
}),
],
})
```
It's also possible to keep Lightning CSS enabled but disable minification:
