SaraDev
July 14, 2022, 11:03pm
2
You’ll likely need to use custom CSS to set a custom background color for your iframe, as styles/classes are stripped out of all posts on Discourse by default.
Is it possible to give a <div> inside a post some custom styling?
I’ve seen that any non-whitelisted classes are stripped out, and I’ve tried addingstyle= to my divs and spans to no avail , so does anyone know if there’s a way to do that?
Basically I have a bot that posts from an internal tool and I’d like to have it post with something that looks like the tool to make it obvious that it’s not a regular disourse post, something like this:
[image]
It’s got a couple of nested divs/spans to ma…
For example, within a topic you could use:
<div data-theme-1>
<iframe width="100%" height="300" src="https://dune.com/embeds/1002945/1734962/fe28df65-99a3-4b98-8cb4-e97f132c8165" frameborder="0"></iframe>
</div>
And then in the custom CSS for the theme you’re using add:
div[data-theme-1] {
background-color: #FFFFFF;
}
If you’re interested in whitelisting styles/classes on your site, this must be done with a plugin.
It is possible to uses some HTML classes in Discourse, however, most HTML in a post is sanitized for security reasons, and only very strict whitelisted HTML is allowed in markdown. To add classes to the white-list you must use a plugin, the sanitization happens server side as well as client side. Check out
Whitelisting HTML tags / attributes for some details on where to add the whitelisted attributes, and I believe it would look similar to something like this: Discourse HTML Whitelist . and a…
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