Unable to view code demo for a challenge project

Tell us what’s happening:
Hi all, i am unable to view the code demo for the second challenge (Build a Survey form) in the Responsive Web Design Projects section. Can anyone help please? Thanks

Your code so far
Not started the challenge as yet. I can’t view the code demo for the final output. The error message i receive when trying to view the code demo is posted in the link below

Your browser information:
https://codepen.io/freeCodeCamp/full/VPaoNP

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36.

Challenge: Build a Survey Form

Link to the challenge:

the link you posted is the demo project, I see it with no issue

please explain what do you see

Thanks for your response. When i click on the link to view the demo code, this is the message i receive

Referred from Pen FCC: Survey Form

What happened?

A link in this Pen has a missing href value, or this Pen is trying to change the document.location more details

Go Back

this seems an issue with codepen, you may need to try reaching to their support

Ok, thank you so much for responding. Appreciate it. Have a good day.