Go to Settings > Customize Invoice under Store Settings.
Paper Size: Select the paper size on which the invoice will be printed: A5, A4, or Letter.
Orientation: Select Portait or Landscape orientation.
Margins: Customize dimensions for the top, bottom, left, and right margins.
PDF Font: Select your preferred font from the dropdown.
Add Attention Content: You can add custom content here or add a placeholder that will be displayed right above the items table.
Include Payment Stub: Check this box if you'd like to include a detachable section for a payment stub (used to collect cash payments). You can edit the content of the headers and choose to include it in the first or second page.
Background Image: You can choose to include a background image in your invoice.
Image Position: Select the position of the background image from the dropdown, if you've uploaded one.
Select Color Theme: Pick a suitable color theme from the dropdown.
Background Color: Check the box, place the color picker to your desired location, and use the slider to finalize the background color of your invoice.
Label Color: Select a color for your labels in the same way.
Font Color: Select a color for your font.Font Size: Customize your font size.
Click Preview to review your customization.
Click Save to confirm.
Once saved, use the gear icon to preview, set as default, delete, or clone.