Just fill out the information at the top of the page and click "Make my form!". The created form will be displayed above as will the HTML code. To use in your site, simply copy the HTML code into your page.
You can fine-tune the form yourself by editing the code (with a text editor or IDE) before copying it into your site.
You can stylize your form any way you want using CSS. The purpose of this page is not to do all of the hard work for you, but rather to save you a few minutes.
No. HTML tags will be stripped.
Yes. There are no form-validation or security measures built in. It is up to you to prevent malicious code from wreaking havoc on your site.