He sent me a screenshot of the main form.
I put the screenshot into ChatGPT and said “make a react form like this in bootstrap”.
Made some adjustments, added my software, a few hours later showed the client who was knocked out to see a proof of concept of our systems integrated so quickly.
When doing web development I often take a screenshot of a problem with css layout, upload to ChatGPT and ask how to fix it.
The demo shown in the tweet seems pretty similar.