For the sample forms we are using the Bootstrap Framework.
You can download all of our examples in a ZIP-file.
Please note that these forms are just EXAMPLES which must be adapt to your own wishes. There is no guarantee for working out-of-the-box.
This form is rendered completely dynamically base on the settings of your form. It contains some useful pattern like loading overlay, processing indicator, toggle the address depending on the receipt wish and toggle the recurring payment methods.
You can see the form live here: https://www.fundraisingbox.com/examples/de/single-step-simple.html.
You can see the form live here: https://www.fundraisingbox.com/examples/de/multi-step-1.html.
Our FundraisingBox Bootstrap Form template with the Form-API as first aid to change from the iFrame-version. It's just a rough version, you have to adjust it for your needs.
You can see the form live here: https://www.fundraisingbox.com/examples/de/fundraisingbox-form.html.