Show me html code.

Do you mean you want to view the html code of your form? To achieve that, you will have to use the Inspect element tool on your browser. If you are using Chrome, then you can follow this guide on how to use the Inspect Element: https://developers.google.com/web/tools/chrome-devtools/iterate/inspect-styles/shortcuts?hl=en 

You can also download the full source code of your form so that you can view the HTML code on your notepad. Here's how: How to get the Full Source Code of your Form

If you need further assistance, please let us know.
Regards.