# Milk: Light / dark options

By changing the base colour, you can choose whether your forum is light or dark in appearance. 

### Base colour previews

| Option name | Output                                                              |
| ----------- | ------------------------------------------------------------------- |
| Light       | <img src="/files/DcTRgyJzbQTtNuPJbCAo" alt="" data-size="original"> |
| Dark        | <img src="/files/AYaFPfzg32Wo8dp5WCju" alt="" data-size="original"> |

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### Choosing the base colour

1. Open the FlightDeck extension (control panel)
2. Find "Theme base colour"
3. Set as required
4. Submit

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### Modifying the dark stylesheet

If you want to modify the dark stylesheet, the colour values are stored in: `yourforum.com/styles/Milk_v2/theme/colours_dark.css`

See: [How to edit code files](/getting-started/how-to-edit-code-files.md)


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