To create a web form enter account setting area and click on "Template settings".
Choose "Web template" for the template menu.
To enter an already created web form, press "Edit Saved Forms". To create a new web form from scratch, simply press "Add fields" and start building you web form.
To change labels on the fields, choose "Field Settings". Choose the field you want to customize and write the name in your preferable language.
Choose "Form Settings" to name your web form as you please, and the content and design of the form. Read more about how you change fonts and colors on web forms here