I think you already know that having forms with many input fields in your website makes it very boring for your users, often resulting in them leaving within a few seconds.
Well, this problem can be fixed by using multi-step forms, also known as form “wizards”, improving the user experience when you need to collect a large number of data.
Another problem is that finding a free high-quality wizard form that can be used with Bootstrap can be a long task.
Responsive Layout (Bootstrap framework)
Simple jQuery Form Validation (to prevent users from leaving empty fields)
Font Awesome icons