I don't think it's anything to do with Blogger as the template in my other blog is identical and is fine. The main problem seems to be
- a gap has opened up between the posts and the side bar but I don't know why
- When the blog is viewed in Internet Explorer, you cannot see the whole side bar - which has dropped to the bottom of the page. (Please note this blog is always best viewed in Mozilla Firefox for no other reason that this platform understands Blogger code better than IE which doesn't. I've never ever regretted switching to Firefox and others who have also seem to feel the same way.)
- unless I add in a bit of code, the current template suddenly started aligning all content in the side bar to the centre rather than the left of the side bar. This I can fix - but why is it doing it in the first place?
And something which may help - but is interesting anyway to anybody who designs in grids - is a post yesterday by a bloke called Matthew Pennell who has come up with a Grid Calculator which helps you how to work out how to stay within a width of 1024. Read his blog post about finding the right widths for column, gutter and page here.
Anybody who knows anything about how to fix this without me having to go back to the beginning and reinstall a template from scratch is welcome to chip in!