Thanks for the quick reply Luka. I will give that plug in a whirl. Can it be installed on the “Try Discourse” platform?
The new topic theme button mod is good but not what I am after exactly. I want a text box in which you can write your post directly, like on a fb group. This is an example:
As for changing the colours, it would not let me do this when I tried it because it was a custom theme. On the admin page for this it says: Not editable, owned by: [Fakebook]