Where can I learn about the optimal graphic details for my header panel and Background image?

Where can I learn about the Optimal Graphic Dimensions/ Resolution / Pixls for my Background image

Where can I learn about the Optimal Graphic Dimensions/ Resolution / Pixls for my header panel.

You can use the Advanced Form Designer inside your form to make changes to your background image and header panel. 

Please check this guide: Form-Designer-Tutorial-Let-s-create-fantastic-forms- 

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