> For the complete documentation index, see [llms.txt](https://docs.jsfiddle.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jsfiddle.net/panels-settings.md).
# Panels settings
## HTML panel
* **Language** – currently not available
* **Doctype** – documents doctype, ie. HTML5, XHTML, etc
* **Body tag** – usually done to change the styling as ``. Some frameworks (Dojo) are using it to style the widgets and load CSS
## CSS panel
* **Language** – change the pre-processor, right now only **CSS** and **SCSS**
* **Options** – additional options, like the ability to **Normalize CSS**
## JavaScript panel
* **Language** – Pre-processor, ie **CoffeeScript**, **TypeScript**, **Babel**, **Vue**, **React**, etc.
* **Frameworks & Extensions** – many commonly used JS frameworks (and their extensions)
* **Framework** `