Site URL: https://hen-seadragon-whcf.squarespace.com/
I believe I would need custom CSS to add an image to a page background. Is this correct? If so, what is the code for adding an png from my own files? The goal is to make it look like this graphical element (attached) is behind (and border) the page.
Password for the site is ex2Marketing
Thanks for any and all assistance!