This is how the form is displayed in my end.
If you wish to further design or adjust the color of your form, you can check this guide on how to use our Form Designer Tool: http://www.jotform.com/help/300-Form-Designer-Tutorial-Let-s-create-fantastic-forms-.
You can also use custom CSS codes if to make advances styling in your form.
If you need more help on this, please do provide us more details of what you would like to achieve. We'll wait for your response.