> For the complete documentation index, see [llms.txt](https://docs.knowbase.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.knowbase.ai/ai-assistants/appearance.md).

# Appearance & Widget

## Widget mode

Choose how the assistant appears on your website:

* **Bubble** — a floating chat button in the corner that expands into a popup
* **Panel** — a slide-in side panel triggered by a bottom bar

## Customization options

| Setting               | Description                                          |
| --------------------- | ---------------------------------------------------- |
| **Color**             | Primary color for the widget header and buttons      |
| **Title**             | Name shown in the chat header                        |
| **Greeting**          | Welcome message displayed when chat opens            |
| **Starter questions** | Suggested questions shown as chips (comma-separated) |

The live preview on the right updates in real time as you make changes.

{% hint style="info" %}
**Changes apply instantly** — once saved, your deployed widget picks up the new appearance without updating the embed code.
{% endhint %}