If you're using a background image on your form you might benefit from using the Field Background setting. This setting adds a background behind each question / field label.
This determines the maximum width of the event form in Web View. Turning this option ON will do the followings:
Set a max-width to the capture form container
Make it centered
If the form has a background, make the background on the entire page, not just the capture form.
Document and Section Background Color