> For the complete documentation index, see [llms.txt](https://meteorjs.gitbook.io/meteor-open-source-gitbooks-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://meteorjs.gitbook.io/meteor-open-source-gitbooks-guide/tips.md).

# Tips

Some handy tips that for editing GitBooks that were not instantly obvious

### Make your GitBook Rich with elements

Click the **( + )** button that displays with hover over on the left 👈margin, and you'll get a menu like the one below that makes is super easy to insert any type of content block you would like to use.

![Left Margin Content Block Selector](https://3481865965-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MBCE7rCRbWnRYXGqwjV%2F-MBLzxo-O7QPxc5TUB1A%2F-MBM0ARCy1q5BEUi0s5A%2Fimage.png?alt=media\&token=8923aef2-ba24-40d3-8082-349adbd24d69)

### Awesome screenshots of a window on a Mac

To capture a window with white border and drop-shadow:

* Press **Command-Shift-4**, then press the **spacebar**
* When your cursor turns into a little camera icon, just mouse click the window you want to capture

![Command-Shift-4... spacebar](https://3481865965-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MBCE7rCRbWnRYXGqwjV%2F-MBHFl1-OuKIIu40pPS2%2F-MBHFzQBMd4ltcxozUcZ%2Fimage.png?alt=media\&token=73bd98ea-f8fd-4d63-98f1-42d06e44c154)