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 [תמונה] 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: [תמונה] 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.

How can I change the category background in the mobile version?

תמיכה

Lilly (Lillian ) 11 במאי,‏ 2026,‏ 5:25am 5

that’s sad because admins want to customize their sites. that’s one of the great things people like about Discourse.

נושא		תגובות	צפיות
Inconsistent use of --category-color variable in Default Theme? Support	2	544	11 באוקטובר,‏ 2022
Change category background color for boxes UX	4	959	12 בספטמבר,‏ 2022
Custom CSS hover in Categories Support	5	738	19 במרץ,‏ 2020
Graceful Theme (Mobile): Missing vertical category color bars Bug ux , graceful-theme , mobile	2	71	20 באוגוסט,‏ 2025
Category background images do not scale good for mobile UX	7	1379	17 בספטמבר,‏ 2019

How can I change the category background in the mobile version?

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