I wish to see the ability to add custom CSS configuration, such as changing the background of the workflow using CSS with a custom image. For example:
When people export the workflow or upload it, the CSS code should be integrated into their visual screen, just like the screenshot.
This is not urgent and should not be given priority by the N8N team, but when I share my templates with the N8N Community, I would like to take care of the visual style. This small feature will add a lot of flexibility to N8N template styling with CSS.