To change if your form is using the "Full Width Form" option, you would need to start by going the the setup of your campaign. From there, go to the form setup and go to Step 2. Next, click the "More Settings" button and check or uncheck the box labeled "Full Width Form" found here:
Here is an example of what the full width form looks like:
Compared to the default form setup:
For further questions, please reach out to our support team using the chat icon in our platform, email us at support@audience.io or give us a call at (801) 901-2011.