> For the complete documentation index, see [llms.txt](https://insights.gitbook.io/ecomm-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://insights.gitbook.io/ecomm-doc/customize/preset.md).

# Preset

### Themes > Customize > Preset 

Settings preset 

![](/files/7W2ppuMFixh7zFiXuOD2)

It's the easiest way to change your site's style (including color, font family, layout: top bar + header + title ) as the preset you have seen on Ecomm's demos.