change background

I assume you want to know how to change the background in your form. Please follow these instructions

1. Click the "Preferences" in the form builder.

2. While in the Preferences Window, select the "Background" option.

3. Type "transparent"  (without the quotes) or click on the desired color in the input textbox.

Here is another video for more help:

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