Hi @Scott – An update for you…
I have disabled all plugins except for Akismet. No joy. I found I could update the background colour, but when I went to update the nav colours, they didn’t take and the background settings disappeared.
Weirder still, I had set some custom CSS in the child theme, and this also disappeared.
I’ve reinstalled CBOX and Child Theme. Interestingly when I save settings in the dashboard I get a ‘x ok’ notification (Screenshot attached) I’m going to go with CSS in the editor and just save a copy locally.