I am trying to move across to HTTPS and am having an issue with mixed content in theme_mods_sydney to get the “green padlock” in Chrome etc. I can see the front page header images start with http in theme_mods_sydney in my SQL database. I have tried to change this to https and I have removed the domain name to start with //. When doing either of these, the site returns to the default theme state.
Is there something I am missing or doing wrong here?