> For the complete documentation index, see [llms.txt](https://support.onfact.eu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.onfact.eu/settings/theme.md).

# 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)