I didn’t seem to find a definitive answer when searching, but I want to change a CSS item one way for dark, and another for light. What is the best way to accomplish this in Discourse?

i suspect this topic may help you. [imagem] Use color scheme color if dark scheme, otherwise use my color in theme Development I want to do something like this .some-link { @if var(--scheme-type) == 'dark' { color: var(--primary); } @else { color: #3b5998; } but of course it is not possible because there is no if in CSS and SCSS is not processed at runtime. And as far as I can see Discourse does not add any classes to indicate whether the dark scheme is active, and CSS does not allow custom properties in selectors. Any ideas what could be the best workaround?

I don’t believe i can edit color_definitions.css since I am an enterprise customer that CDCK is hosting. I suppose I’d have to reach out to them about this then. Thanks, Lilly!

i think you can override it with your own CSS in another theme or component i’m not sure how this works so i’m going to mess around with it today and see if i can come up with dark - light mode css conditional. i feel like this should be possible.

[imagem] Jordan Violet: I want to change a CSS item what is the CSS element you want to change based on dark/light mode? you can add color definitions to the color definitions tab of the edit CSS/ HTML of a theme (color_definitions stylesheet).

Sorry for the late reply! So I was looking to change the color of the highlighted* bar atop an expert response post in a topic, but I wanted to highlight the bar with a different color for light and dark theme.

[imagem] Jordan Violet: blighted bar not sure what you mean? can you provide a screenshot?

Highlighted** sorry, mobile typo!

[imagem] Lillian : i’m going to mess around with it today and see if i can come up with dark - light mode css conditional. i feel like this should be possible. I’d love to be proven wrong on this, but I think there’s no reliable check you could use with css. @sp-jordan-violet usually the way to go is to use color variables from your dark and light color schemes. You can check your current values using the browser inspector. I believe you can’t add new variables that will switch depending on color scheme. But there’s quite a lot of variables to pick from and you can use them in any custom declaration. E.g .topic-avatar { height: unset; align-self: stretch; background-image: linear-gradient( to right, transparent -40%, var(--secondary) 80% ), linear-gradient( to bottom, var(--tertiary-300) 0%, var(--highlight) 50%, var(--quaternary-low) 100% ); } could give you a post highlight like this :rainbow: :slight_smile: [image]

[imagem] manuel: I’d love to be proven wrong on this, but I think there’s no reliable check you could use with css. yea i tend to agree. i’ve also been tinkering with a javascript / css solution but nothing working yet

Woah, I really like this idea!!

Como alterar item css com base no modo escuro ou claro?

Dev

Lilly (Lillian ) 16 Junho , 2023 14:21 2

Suspeito que este tópico possa ajudá-lo.

Tópico		Respostas	Vistas
Use color scheme color if dark scheme, otherwise use my color in theme Development	2	1254	25 Maio , 2021
Correct way to edit CSS for light and dark modes Development	2	168	27 Julho , 2026
Different CSS changes for different color schemes Development css	3	857	17 Outubro , 2023
Custom variables to color schemes Feature	3	637	13 Fevereiro , 2023
How to add a specific body class for the dark (or light) mode? Product Support	12	4020	7 Março , 2022

Como alterar item css com base no modo escuro ou claro?

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