Fonts/Summary Block CSS not working?

I am trying to adjust the font and colors of a summary block that's connected to a blog on the site I'm working on, but I've tried several different CSS snippets and am having no luck. (I was using this guide from Big Cat and this guide from Inside the Square and couldn't get either to work, even with !important.) I am not a coding expert by any means but I have implemented custom CSS on dozens of sites in the past and this seems like such a simple fix so I'm not sure why it's giving me so much trouble. 

Possibly relevant context is that I also tried to change the letter spacing on paragraph 4 using CSS the other day, and after trying several different CSS snippets I found on this forum and elsewhere, I still could not get it to work. I have done this before on different sites so no idea what the issue is here, or if something is possibly preventing it. 

If relevant, I do have a tiny bit of CSS on the site currently (to adjust the line height on a couple buttons, and to add alternate logo files for different pages). I also have Will Myers' slider plugin installed (header and footer injection). 

The page I'm working on is here (summary block in the second section), password is journaljolts2023

Thank you in advance for any help!!

On 10/25/2023 at 7:34 AM, paul2009 said:

This is caused when you already have a syntax error in your custom CSS 🙂. Any CSS you add after that will be ignored by Squarespace, which is why your recent snippets don't work.

Take a look in your Custom CSS panel and try to identify the text that needs to be removed. It should be labelled with a red warning but, if you need help with this, please post a screenshot of the panel. From what I can see, it looks like there may be a static1 URL that has been pasted into the panel by accident. It's an easy mistake to make.

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Ha! Shows how much I know. THANK YOU, that worked.