Hello. I can’t change the background of the category. Is there a way to do this? [IMG_3639]

i think this may be tricky to do with horizon [1] but something like this will work in a theme component. the color will depend on what variable you use, (eg: --tertiary-low from the color palettes for dark/light mode). you can make your own variables too and add more complexity. in a theme comp…

if you want to use specific colors not in the palette that will change with dark light, you can use the color definitions tab in the same component: $bg-light: aqua; $bg-dark: blueviolet; :root { --category-id-4-background: #{dark-light-choose($bg-light, $bg-dark)}; } [Screenshot 2026-05-08 a…

Just to point out: [CleanShot 2026-05-11 at 07.05.38@2x] Horizon isn’t meant to be customised. If you want to do any customisation, the official recommendation is that you start on Foundation and use that as your base. As explained here [image] Horizon Theme we recommend that sites interest…

that’s sad because admins want to customize their sites. that’s one of the great things people like about Discourse. :slight_smile: [image] Horizon theme bug: Category heading container sticky in topic lists UX You just made the way forward: use custom CSS to …

Yes, if you can tweak it, sure, go ahead. No is saying you can’t. But its not meant to be, so we didn’t built it with the thought to customise it easily. It’s meant as an out-of-the-box theme for people who are less technical.

Comment modifier l'arrière-plan de la catégorie dans la version mobile ?

Soutien

chapoi Mai 11, 2026, 5:10 4

Juste pour signaler :

Horizon n’est pas conçu pour être personnalisé.

Si vous souhaitez effectuer des personnalisations, la recommandation officielle est de commencer par le thème Foundation et de l’utiliser comme base.

Comme expliqué ici

Sujet		Réponses	Vues
Inconsistent use of --category-color variable in Default Theme? Support	2	544	Octobre 11, 2022
Change category background color for boxes UX	4	957	Septembre 12, 2022
Custom CSS hover in Categories Support	5	738	Mars 19, 2020
Category ‘background color’ not obvious it refers to the category badge color UX	10	5121	Mai 3, 2020
Graceful Theme (Mobile): Missing vertical category color bars Bug ux , graceful-theme , mobile	2	71	Août 20, 2025

Comment modifier l'arrière-plan de la catégorie dans la version mobile ?

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