@madeincosmos Thank you so much for looking into this. I am going to copy the current site over to my local host again and apply your suggestions. Will report back. Thank you for taking the time to look into it, really appreciated.
@lorro interesting. It is already set to a two column layout in the customiser. I think the problem that has vroken the customiser has also broken the layout. I am going to do some tests on my localhost.
Thanks for the CSS snippet, will try it. But I fear that will be a cosmetic fix to a deeper issue. I appreciate the time you took to look at it for me. Thank you.