Embed CodePen
You can embed code previews from CodePen using the Embed option in zeroheight.
1) Open your CodePen
2) In the bottom right-hand corner, click Embed
3) Choose the iframe tab and select the code. You will only need the URL in the src tag.
4) In zeroheight, choose the Embed block from the toolbar.
5) Paste the CodePen URL.