Presidio: Add a background image to the header
If you have a background image, texture, or pattern you would like to add to Presidio’s header layout, use the Code Hack below. Here’s an example of how it might look in action:
With this Code Hack, you can upload a PNG file of your logo by going to Appearance > Customize > Site Identity. Be sure that the file you’re uploading has a transparent background, so it will appear to “sit” on top of the background image.
Here’s the code you need to achieve this look: