How difficult would it be to make the Discourse UI more like Flarum?

[erlend_sh (Erlend Sogge Heggen)]

I just remembered there’s some prior art on this by @bts here:

Do you have original customisations?

Here’s our forum!: We’re using a pretty vanilla install, i.e. not really any plugins beyond the WP Discourse plugin for SSO with our Wordpress site. But we’ve done some fairly extensive frontend / design tweaks. Aside from color scheme and some UI adjustments and simplifications I think the most noticeable thing we did is add a visual header banner for each category. We liked how this looked on some other sites we came across e.g. Flarum and found it nice to have extra visual distinction for…

Once there’s a published theme available for this it’d be great if the two of you could compare notes and ideally end up with a single codebase.