# App Appearance

### How to customize the App Icon?

Go to **Settings > Appearance > App Icon** and add your custom icons... [\[View Community Icon\]](/docs/chat-ui/community-icon.md)

<figure><img src="/files/oKGxo12RMVfxA2djVtyT" alt=""><figcaption><p>Custom App Icon</p></figcaption></figure>

### How to customize Code Block theme?

Go to **Settings > Apperance > Code Block.** The options is pretty self-explanatory.

{% hint style="info" %}
This feature requires a new Markdown Renderer and is only available on macOS 13 and later.
{% endhint %}

<figure><img src="/files/gR5iP3hzEmXtXvMakixH" alt=""><figcaption><p>Customize Code Block</p></figcaption></figure>

### Customize system theme & fonts?

<figure><img src="/files/5iEZMPQ4cYEDRkYUbJlu" alt=""><figcaption><p>Customize Themes &#x26; Fonts</p></figcaption></figure>

### Customize Chat Action Toolbar

BoltAI allows you to customize the Chat Action Toolbar under the message bubble.

<figure><img src="/files/N3aQhO0PHrtFV0rp82QB" alt=""><figcaption><p>Customize Chat Action Toolbar</p></figcaption></figure>

### Customize Chat Layout

<figure><img src="/files/Harq4oHjOThb3zYoyF6H" alt=""><figcaption><p>Enable Developer Layout</p></figcaption></figure>

### Customize Sidebar

<figure><img src="/files/5Z2zJpjgZwCh1bJWPtec" alt=""><figcaption></figcaption></figure>

### Customize Chat Input UI

<figure><img src="/files/GduGaGbDh0TiKr4QxjGk" alt=""><figcaption></figcaption></figure>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.boltai.com/docs/chat-ui/app-appearance.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.