olá! Eu usei desse método para colocar meu fundo transparente porem perco as configurações de estilos de botões e etc. como posso resolver isso?

esse metodo http://www.jotform.com/answers/176054-Formulario-com-fundo-transparente-?entrymessage=10732640770

You might try our Form Designer tool to achieve the transparent background without loosing the submit button style, please check these videos:

http://www.jotform.com/form-designer/vid/

http://www.jotform.com/form-designer/tuts/episode10/

Please give that a try. Just let us know should you need our help.