# Theme

This section allows you to customise the BestInvoicing interface to match the look and feel of your company. 

![](/files/0VGBw28KRocya9iiAzXM)

Move the slider to the right to start creating your own theme (slider turns green). 

## Main Color

Choose a main color via the color selector (manual selection or insert hex code). This color will replace the multicolor strip at the top of the interface.

![](/files/YdtT1XDnJR9Bupbi3n8m)

## Logo on Login Page

Upload a logo to display on your login page. See 'Background' for an image of the result.

## Logo Top Left

Upload a logo to display at the top left of BestInvoicing. Example of active own theme, including logo: 

![](/files/ckNnXXxuZjT7XQbZ6Kjw)

## Background

Select a background to be shown on the login page. In combination with an uploaded logo, this may look as such:

![](/files/QIGDzkM3tKqVtwoWGPFD)

## Customize Page for Online Signature and Payment

These background settings are also displayed on the page that is seen by the customer in case of online signature or online payment: 

![](/files/q6JB3eNc8a6RWVvZ1zPA)


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# 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://support.onfact.eu/settings/theme.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.