> For the complete documentation index, see [llms.txt](https://docs.8xr.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.8xr.io/covers-guide.md).

# Covers guide

In order to publish a scene and present it beautifully to users, you need to add covers for the scene. There are 3 kinds of cover sizes on the platform that you need to add.

![](/files/jlSpwfkmUqu9gxhXFIrk) ![](/files/jthyppehkakcIQK3hQGB) ![](/files/H1RCfHDQgLGExlC51jtF)

* Big cover on desktop (10:3.5) — used on the main “explore” page when your scene is in the featured section This type of cover is also used on the "Spaces" page
* Big Cover on mobile (1:1) — used on the main “explore” page on mobile devices when your scene is in the featured section\
  This type of cover is also used on the "Spaces" page on mobile devices
* Small card — used as a preview for your scenes, which are displayed in the general list of all scenes on desktop and mobile devices

![](/files/UkD7F7NYRKiF8lYZMoBs) ![](/files/UsI4DpkYMec89gxfw530)