https://www.stjohnsmuxton.org.uk/
(Please can you let me know once you’ve finished having a look as we are trying to keep a maintainence page up to stop people being able to view the site while we are developing it!)
If it is a z-index problem, could you tell me where I would find the code I need to change! I’m a bit of a newbie to this, everything has been trial and error so far!
Rachel