Embed section

You've likely seen an embedded youtube.com video, Tweet, or Instagram image on another website before.  Third-parties like youtube.com provide embed code that allows content from their site to appear on your site. 

Once you have added an Embed section to your text page, you should see a blank text box like so:

Here you can add embed code from any third-party site that provides it.  This embed code can include links to JavaScript and CSS files, iframes, and more.