Theme changes

[Paul]

Morning, due to some issues with the existing default and dark themes affecting some mobile devices (more info in this thread), I've changed the default theme to a different one. 

If you'd like to continue to use the original default theme, it is still available from the theme menu, which can be found at the bottom of every page. There is also a new dark theme available (netwx 24 dark) as an option for those who prefer a darker background. 

Please let me know if you have any problems with these new themes, as they have been put together relatively quickly due to the issue with the old one. Also, if you've been affected by the problem described in the other thread, please can you post in there to let us know.