Links look like this.

And images like this:

or like this: ![](my_icons/fastai_logo.png)

Highlighted text looks like this.

## Collapsing Cells

#collapse-hide
# This cell is collapsable and collapsed by default


#collapse-show
# This cell is collapsable and shown by default


## Tweetcards

Typing > twitter: https://twitter.com/jakevdp/status/1204765621767901185?s=20 will render this:

Typing > youtube: https://youtu.be/XfoYk_Z5AkI will render this:

## Boxes / Callouts

Typing > Warning: There will be no second warning! will render this:

Warning: There will be no second warning!

Typing > Important: Pay attention! It's important. will render this:

Important: Pay attention! It’s important.

Typing > Tip: This is my tip. will render this:

Tip: This is my tip.

Typing > Note: Take note of this. will render this:

Note: Take note of this.

Typing > Note: A doc link to [an example website: fast.ai](https://www.fast.ai/) should also work fine. will render in the docs:

Note: A doc link to an example website: fast.ai should also work fine.

## Footnotes

For example, here is a footnote 1.

And another 2

1. This is the footnote.

2. This is the other footnote. You can even have a link!