It doesn’t require any knowledge of HTML. If you’ve never customized the CSS on your site before it’s very simple to do. Check the ‘where do I add my CSS’ section of the below:
And paste in the snippet from the post you linked.
Thanks, yes I did that after learning how CSS works with Discourse and I was able to get it to work.
This is just a suggestion for ease of use. On a scale of 1 to 10, 10 being writing discourse code and 1 being someone who doesn’t code, using the plugin is like a 1 and understanding and creating CSS customizations is like a 4
Using a plugin option is also likely more portable and less likely for mistakes to happen over time, especially for folks who don’t write code.