I get an error trying to access that page, so I can't really look into it.
Making a form responsive is just a matter of adding responsive CSS with media queries. It won't be responsive by default.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.